Why are most Indians Vitamin D deficient despite living in a sunny country?

Three compounding factors: (1) Melanin in darker skin requires 3–6× more UVB exposure to synthesise the same D3 as lighter skin. (2) Most Indians work indoors; UVB does not penetrate glass. (3) The sun angle at Indian latitudes in winter months reduces effective UVB. Additionally, cultural sun avoidance and clothing coverage reduce skin exposure. NFHS-5 data shows 69–76% of urban Indian adults have serum 25(OH)D below 20ng/mL (deficient threshold).

Is methylcobalamin better than cyanocobalamin for Indians?

Yes, for two reasons. Methylcobalamin is the bioactive form — it does not require hepatic conversion. Cyanocobalamin contains a cyanide moiety that must be cleaved by the liver before it can be used; in individuals with impaired detoxification (common in older adults) or smokers, this is an additional metabolic burden. For the majority of India's population (large vegetarian segment), where B12 deficiency is common and long-term supplementation is required, methylcobalamin is the clinically appropriate choice.

What is D3 vs D2 and which should Indians take?

D3 (cholecalciferol) is the form synthesised in human skin and found in animal foods. D2 (ergocalciferol) is the plant-derived form. A landmark meta-analysis (Tripkovic et al., 2012) found D3 is 87% more effective than D2 at raising serum 25(OH)D and has a longer half-life. All Indian vitamin D guidelines (ACOG India equivalent, ICMR) recommend D3. Several budget Indian supplements still use D2. Check the label.

What dose of Vitamin D3 do deficient Indians need?

For maintenance in deficient adults (25(OH)D below 20ng/mL): 1,000–2,000 IU D3 daily is widely recommended. For repletion of severe deficiency (below 10ng/mL): 4,000–5,000 IU daily for 8–12 weeks under physician guidance, followed by maintenance dosing. The Endocrine Society (2011) considers up to 4,000 IU/day safe for adults. The Indian upper limit is 4,000 IU/day per ICMR. Always take D3 with the heaviest meal of the day — it requires dietary fat for absorption.

What is MTHFR and why does it affect which folate supplement Indians should take?

MTHFR (methylenetetrahydrofolate reductase) is an enzyme that converts folic acid to the active 5-methyltetrahydrofolate (5-MTHF). The C677T variant reduces this enzyme activity by 30–65% (homozygous). Studies suggest 10–15% of South Asians carry the homozygous variant; the heterozygous form is even more common. For these individuals, folic acid supplementation partially fails — the unconverted folic acid accumulates without providing active folate. Methylfolate (5-MTHF) bypasses this step entirely. Prenatal vitamins for Indian women ideally specify methylfolate.

Should Indians take Vitamin D3 with K2?

Increasingly supported but not yet mandatory in guidelines. D3 increases calcium absorption significantly. K2 (specifically MK-7 form) activates osteocalcin and matrix Gla-protein, which direct calcium to bone rather than arteries. Combined D3+K2 supplementation makes physiological sense for long-term use, particularly for individuals taking D3 at 2,000+ IU daily. The MK-7 form of K2 has a 72-hour half-life vs MK-4's 6-hour half-life — MK-7 is the form to look for in supplements.

Home/Compare/Vitamins India 2026

Independent · India-market · 120 products scored · May 2026

Vitamins India 2026 — D3, B12, Folate & Multivitamins Ranked

Three vitamin deficiencies affect the majority of India's population: Vitamin D (80–85% urban adults deficient), Vitamin B12 (47% of vegetarians), and active folate (MTHFR polymorphism reduces folic acid efficacy in ~15% of South Asians). This page covers the biochemistry, identifies which forms actually work, and scores 120 products on form quality, dose, and label honesty.

Vitamin D

D3 (Cholecalciferol)

not D2 (Ergocalciferol)

Vitamin B12

Methylcobalamin

not Cyanocobalamin

Folate / B9

Methylfolate (5-MTHF)

not Folic acid only

Vitamin K2

MK-7 (72hr half-life)

not MK-4 (6hr half-life)

~80–85% urban Indian adults: Vitamin D deficient ~47% Indian vegetarians: B12 deficient D3: 87% more effective than D2 at raising 25(OH)D Methylcobalamin: bioactive — no hepatic conversion FSSAI Schedule III nutraceutical Updated May 2026

Vitamin D3 vs D2 — settled evidence

87%

D3 is more effective than D2 at raising serum 25(OH)D and maintaining it long-term

Tripkovic et al. (2012), American Journal of Clinical Nutrition — systematic review and meta-analysis. D3 raises serum 25(OH)D approximately 87% more than an equivalent dose of D2, and the effect persists longer between doses. Multiple subsequent RCTs confirm. Despite this, several Indian supplement brands continue using D2 in their formulations. Meta

MTHFR + folic acid: the hidden failure

~15%

South Asians carrying homozygous MTHFR C677T — unable to fully activate folic acid

MTHFR enzyme converts folic acid to active 5-MTHF. Homozygous C677T reduces this capacity by 30–65%; heterozygous (more common) reduces it by ~35%. For these individuals, standard folic acid supplementation delivers partial efficacy. Most Indian prenatal vitamins and multivitamins use folic acid exclusively. Methylfolate (5-MTHF) bypasses MTHFR and works regardless of genotype. Genetic observational

How the key vitamins work

Vitamin D: a hormone, not a vitamin

Vitamin D is technically a secosteroid hormone. The two dietary forms — D3 (cholecalciferol, from animal sources and skin synthesis) and D2 (ergocalciferol, from fungi) — are both inactive precursors. D3 is formed in the skin when 7-dehydrocholesterol is cleaved by UVB radiation. Both forms undergo two-step activation: first hydroxylation in the liver by CYP2R1 to 25-hydroxyvitamin D (25(OH)D — the serum marker measured in tests), then a second hydroxylation in the kidney by CYP27B1 to the active hormone 1,25-dihydroxyvitamin D (calcitriol). Holick, 2007, NEJM Mechanistic

Calcitriol binds the Vitamin D Receptor (VDR) — a nuclear receptor expressed in over 37 tissue types including intestinal epithelium (calcium absorption), osteoblasts, immune cells (T-cells, macrophages, dendritic cells), cardiac muscle, and neurons. VDR activation regulates approximately 3% of the human genome. The most clinically documented effects are: calcium absorption from the gut (increases 30–80%), bone mineralisation, and immune modulation. Wang et al., 2012, Genome Res Mechanistic

Why are 80–85% of urban Indians deficient despite living near the equator? Melanin — the UV-protective pigment in darker skin — requires 3–6× more UVB exposure to produce the same D3 as lighter skin. Combine this with indoor work cultures, glass filtering of UVB, and cultural/religious covering of skin, and India's high sun exposure becomes irrelevant. NFHS-5 data confirms the paradox. Ritu & Gupta, 2014, EJCN Observational

Vitamin B12: the methylation cycle cofactor

Cobalamin (B12) is an essential cofactor for two enzymes: methionine synthase (MS) and methylmalonyl-CoA mutase (MCM). Methionine synthase converts homocysteine to methionine using methylcobalamin as the methyl donor — this is the central step in the methylation cycle, producing SAM (S-adenosylmethionine), the universal methyl donor for DNA methylation, neurotransmitter synthesis, and gene regulation. Methylmalonyl-CoA mutase requires adenosylcobalamin to process odd-chain fatty acids and branch-chain amino acids. Green et al., 2017, Ann Rev Nutr Mechanistic

Methylcobalamin is the active, cofactor-ready form of B12. Cyanocobalamin — the cheap synthetic form in most Indian multivitamins — contains a cyanide (CN) moiety that must be cleaved by hepatic decyanation enzymes (NADH-dependent) before use. For healthy young adults, this conversion is efficient. For older adults, smokers, individuals with impaired liver function, and those on nitrous oxide anaesthesia (which inactivates B12), cyanocobalamin is a less reliable supplemental form. Methylcobalamin delivers active B12 directly. Paul & Brady, 2017, CNS Drugs Observational

B12 deficiency in India tracks closely with vegetarian diet prevalence — the only dietary B12 sources are animal products (meat, fish, eggs, dairy). Up to 80% of strict Indian vegans are clinically B12 deficient without supplementation. Dairy consumption provides some B12, but often insufficient for replete status. The Indian vegetarian who takes no B12 supplement is at high risk for progressive neurological damage — subacute combined degeneration of the cord — that is irreversible if untreated. Refsum et al., 2001, EJCN Observational

Folate and MTHFR: why form matters for Indians

Folate (B9) is required for DNA synthesis, repair, and methylation. Dietary folate and synthetic folic acid must both be converted to 5-methyltetrahydrofolate (5-MTHF) — the bioactive form — before use. The conversion of folic acid to 5-MTHF requires the MTHFR enzyme. The C677T polymorphism in MTHFR significantly reduces this enzyme's activity: homozygous TT genotype reduces activity by 30–65%; heterozygous CT reduces it by approximately 35%. Studies estimate 10–15% of South Asians carry the homozygous variant; heterozygous is considerably more common. Klerk et al., 2002, JAMA Genetic

For MTHFR-impaired individuals, folic acid supplementation at standard doses may not adequately raise red blood cell folate or lower homocysteine. Methylfolate (5-MTHF, also called Quatrefolic when branded) is the direct active form — it bypasses MTHFR entirely and works regardless of genotype. This is particularly relevant for Indian women of reproductive age: the neural tube protection from folate supplementation requires adequate active folate in the first 28 days of pregnancy — a period when most women don't yet know they are pregnant. Greenberg et al., 2011, Fertil Steril RCT

Fig. 1 — Vitamin D3 activation (skin → liver → kidney → VDR) and B12 methylation cycle. MTHFR folate limitation noted.

India deficiency data

Three deficiencies that affect the majority of Indians

80–85%

Urban Indian adults with Vitamin D below 20ng/mL (deficient threshold). Highest in North India, office workers, women who cover skin. Source: NFHS-5 proxy data, Ritu & Gupta 2014 survey. The sun paradox: India has abundant sunlight; melanin, indoor work, and clothing make it irrelevant for most.

47%

Indian vegetarians with B12 deficiency. Strict vegans approach 80%. The only dietary B12 sources are animal products. The NFHS-5 did not directly test B12 but proxy markers (elevated homocysteine, MCV) in vegetarian-dominant cohorts are consistent with this estimate. Long-term deficiency causes irreversible nerve damage.

~15%

South Asians estimated to carry homozygous MTHFR C677T — unable to efficiently convert folic acid to active 5-MTHF. Heterozygous carriers (~30–40%) have partial impairment. Most Indian prenatal vitamins and multivitamins use folic acid only. This is a clinically significant mismatch.

FSSAI

Vitamins sold as supplements are regulated under Schedule III (nutraceuticals). Vitamins added to food are Schedule II (food fortification). No FSSAI regulation mandates the bioavailable form — brands can use cyanocobalamin and call it "Vitamin B12" without mentioning that methylcobalamin exists.

D3+K2

Vitamin D3 significantly increases calcium absorption. Vitamin K2 (MK-7) activates matrix Gla-protein and osteocalcin — directing absorbed calcium to bone rather than arteries. Long-term D3 supplementation (2,000+ IU/day) without K2 may theoretically increase arterial calcification risk. Most Indian D3 supplements do not include K2.

Phytate

Cereal-heavy Indian diets (wheat roti, rice) are high in phytic acid (phytate), which binds zinc, iron, calcium, and magnesium in the gut and reduces absorption. Multivitamins for Indian populations ideally include mineral forms that compete less with phytate (zinc glycinate vs zinc oxide; chelated minerals vs inorganic salts).

Label intelligence

Form quality — what every Indian vitamin buyer needs to check

Good signals

Cholecalciferol (D3) — not ergocalciferol (D2)

D3 raises serum 25(OH)D 87% more effectively than D2 and maintains it longer. Look for "cholecalciferol" or "Vitamin D3" on the label. Solgar, NOW, Carbamide Forte, and most premium brands use D3. Some budget Indian multivitamins (Healthvit, certain Revital variants) quietly use D2. The label will specify — check it.

MeB

Methylcobalamin — the bioactive B12 form

Look for "methylcobalamin" on the label — specifically, not just "cobalamin" or "cyanocobalamin." For standalone B12 supplements and multivitamins, methylcobalamin is the superior choice for Indian users who will take it long-term. Premium brands that use methylcobalamin in India: Carbamide Forte, Inlife, Naturaltein, GNC. Cheap multivitamins (Amway Nutrilite's basic range, generic pharmacy multivitamins) use cyanocobalamin.

5MT

Methylfolate (5-MTHF) — MTHFR-safe folate

Look for "5-methyltetrahydrofolate," "L-methylfolate," "Quatrefolic," or "Metafolin" on the label. This form is active regardless of MTHFR genotype. Particularly important for women of reproductive age and anyone with a known MTHFR variant. Most Indian prenatal vitamins use folic acid only — a significant gap for the 15–40% with MTHFR polymorphism.

Vitamin K2 as MK-7 — not MK-4

K2 MK-7 (menaquinone-7) has a 72-hour half-life, allowing once-daily dosing to maintain active levels. K2 MK-4 has a 6-hour half-life — largely inactive by the next morning at once-daily dosing. For D3+K2 combination products, MK-7 is the clinically appropriate form. Natto (fermented soybean) is the primary dietary source — not widely consumed in India, making K2 supplementation more relevant here than in Japan.

Red flags

Cyanocobalamin in high-dose B12 or standalone B12 supplements

At 1,000–5,000mcg doses, cyanocobalamin delivers a meaningful cyanide load per dose — typically well within safe limits for healthy adults, but a suboptimal choice for long-term supplementation. For sublingual or high-dose B12 products specifically marketed for deficiency correction, cyanocobalamin is an inferior choice. The cyanide moiety is also a concern for smokers (higher baseline cyanide) and for individuals with impaired renal clearance.

Vitamin D2 (ergocalciferol) in D vitamin products

"Vitamin D" without specifying D2 or D3 — in Indian supplements — defaults to whichever is cheaper to source. Check the supplement facts for "ergocalciferol" (D2) vs "cholecalciferol" (D3). D2 can raise serum 25(OH)D somewhat, but less efficiently and for a shorter duration. For correcting India's pervasive D deficiency, D3 is the only clinically appropriate supplemental form.

Folic acid as the sole folate source in prenatal or women's multivitamins

For the general population, folic acid is adequate. For the significant proportion of Indian women with MTHFR polymorphism, folic acid provides partial protection at best for neural tube defect prevention. The argument against methylfolate ("it's more expensive") is not acceptable in a prenatal product when the efficacy concern is this well-documented. A prenatal vitamin without methylfolate in 2026 is a formulation choice prioritising margin over maternal health.

Vitamin A as retinol at or above 5,000 IU in multivitamins

Preformed vitamin A (retinol) is hepatotoxic at sustained high doses. At 5,000 IU/day from multiple sources (cod liver oil + multivitamin + fortified foods), toxicity accumulation is possible in Indian diets where ghee and dairy already provide some preformed A. Beta-carotene (provitamin A from plant sources) self-limits conversion and is not hepatotoxic. Multivitamins providing all vitamin A as beta-carotene are safer for long-term Indian use.

Scored picks

Top 5 vitamin picks for India 2026

Scored on: form quality (D3 vs D2, methyl forms) · dose accuracy · purity · India value · label honesty

#1 — Best D3+K2 for India

9.0

Carbamide Forte

Vitamin D3 2000 IU + K2 (MK-7) 45mcg

₹599

120 veg tabs · ₹5/day

Carbamide Forte Vitamin D3 2000 IU + K2 (MK-7) 45mcg

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D3 (Cholecalciferol) — confirmed K2 as MK-7 — 72hr half-life 2000 IU — maintenance dose range FSSAI licensed Best ₹/day D3+K2 India

Dose (9.5/10): 2,000 IU D3 is within the Endocrine Society's safe maintenance range for deficient adults and matches the ICMR-recommended upper intake for daily supplementation. The inclusion of 45mcg MK-7 addresses the calcium-redirection mechanism — directing absorbed calcium to bone. This combination is the physiologically correct daily D supplement for most Indian adults with documented or suspected deficiency.

Form (10/10): Cholecalciferol (D3) confirmed on label. MK-7 K2 form confirmed — 72-hour half-life means once-daily dosing maintains active circulating K2 throughout the 24-hour period.

Value (10/10): At ₹5/day for D3+K2, Carbamide Forte sets the price floor for this combination in India. Solgar's equivalent costs ₹45–55/day. The 9× price difference is not reflected in any clinical outcome difference for this category.

Label honesty (9.5/10): Both active compounds, forms, and doses explicitly stated. Vegetarian-friendly. No hidden excipients disclosed that would interfere with absorption.

Take with the largest meal of the day — D3 is fat-soluble and absorption increases 32–57% with dietary fat. On an empty stomach, D3 absorption may be suboptimal regardless of dose. Carbamide Forte does not publish batch-level NABL COA publicly — on request only.

#2 — Best methylcobalamin B12

8.8

Carbamide Forte

Methylcobalamin 1500mcg + Alpha Lipoic Acid

₹649

60 tablets · ₹10.8/day

Carbamide Forte Methylcobalamin 1500mcg + Alpha Lipoic Acid

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Methylcobalamin — bioactive form 1500mcg — repletion-range dose Alpha lipoic acid added — nerve support FSSAI licensed Not sublingual — lower absorption vs sublingual

The correct B12 formulation for India's vegetarian population. Methylcobalamin at 1,500mcg is in the active repletion range — above the maintenance threshold (250–1,000mcg) and appropriate for correcting mild-to-moderate deficiency over 3–4 months of daily supplementation. The inclusion of alpha-lipoic acid is a reasonable addition given B12's role in peripheral nerve integrity — both compounds are used in diabetic neuropathy protocols. Shukla et al., 2017

The methylcobalamin form directly enters the methylation cycle without hepatic conversion. For older adults, vegetarians, and individuals with any degree of absorption compromise, this is the only appropriate B12 form for supplementation.

Standard oral tablets have passive absorption (1–2% of dose) across the gut lining — meaning most of the 1,500mcg is absorbed by passive diffusion, not active transport. For severe B12 deficiency (<100pg/mL) or confirmed pernicious anaemia, sublingual or injectable methylcobalamin is needed. For dietary insufficiency prevention and mild deficiency correction in vegetarians, oral 1,500mcg methylcobalamin is adequate.

#3 — Best high-dose D3 for repletion

8.7

NOW Supplements

Vitamin D3 5000 IU Softgels

₹1,299

120 softgels · ₹10.8/day

NOW Supplements Vitamin D3 5000 IU Softgels

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D3 (Cholecalciferol) — confirmed 5000 IU — repletion dose range Softgel — oil-based carrier improves absorption NOW quality track record Physician supervision recommended at 5000 IU

For documented severe Vitamin D deficiency in Indian adults. At 5,000 IU/day for 8–12 weeks, this corrects most cases of severe deficiency (25(OH)D <10ng/mL) without exceeding the Endocrine Society's studied safety range. NOW's oil-based softgel format meaningfully improves D3 bioavailability — absorption increases 32–57% with fat compared to dry tablet forms. Dawson-Hughes et al., 2020

For a 70kg urban Indian male with 25(OH)D of 8ng/mL — not uncommon in the NFHS-5 data — 5,000 IU daily will typically raise levels to the sufficient range (30–50ng/mL) within 8–10 weeks. After repletion, reduce to 1,000–2,000 IU maintenance.

5,000 IU/day should be used for documented deficiency under physician guidance, not as a starting dose for individuals who haven't tested their 25(OH)D. Vitamin D toxicity (hypercalcaemia) is rare but real at sustained high doses — onset typically at >10,000 IU/day over months, but individual variation exists. Test and treat; don't dose-guess.

#4 — Best multivitamin with methyl forms

8.5

Carbamide Forte

Multivitamin with Methylcobalamin, Methylfolate & D3

₹999

60 tablets · ₹16.65/day

Carbamide Forte Multivitamin with Methylcobalamin, Methylfolate & D3

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Methylcobalamin (not cyanocobalamin) Methylfolate included D3 (not D2) FSSAI licensed Multivitamin doses — not therapeutic

The correct daily multivitamin for urban Indians who want form-quality without compromise. This product distinguishes itself from Centrum, Revital, and Healthvit by using methylcobalamin instead of cyanocobalamin, methylfolate instead of folic acid, and D3 instead of D2. These three form-quality decisions affect a meaningful proportion of the Indian population: B12 form matters for older adults; methylfolate matters for MTHFR carriers; D3 vs D2 matters for everyone.

The doses in a multivitamin format are not therapeutic for correcting significant deficiencies — but as a daily insurance supplement for someone eating a reasonably balanced vegetarian diet, the correct forms ensure the delivered vitamins are actually bioavailable.

Multivitamin-dose B12 (typically 100–250mcg) cannot correct B12 deficiency — it can only prevent it from developing in a person with adequate baseline levels. If you are vegetarian and have not tested your B12 recently, test first. If you are deficient, use a dedicated high-dose methylcobalamin product (pick #2), then transition to the multivitamin for maintenance.

#5 — Best premium/import multivitamin

8.3

Thorne Research

Basic Nutrients 2/Day (NSF Certified)

₹3,999

60 caps · ₹133/day

Thorne Research Basic Nutrients 2/Day (NSF Certified)

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NSF Certified for Sport D3 + Methylcobalamin + Methylfolate K2 as MK-4 (note: not MK-7) No iron — suitable for adult men ₹133/day — high premium over Indian brands

For competitive athletes in WADA-tested sports and buyers for whom NSF batch testing is non-negotiable. Thorne Basic Nutrients 2/Day is NSF Certified for Sport — every batch tested for 270+ WADA prohibited substances. It uses methylcobalamin, methylfolate, and D3. The K2 form is MK-4 (not MK-7 — a minor shortcoming) but at clinical doses. No iron included — appropriate for most adult men and post-menopausal women who are not anaemic.

At ₹133/day, it is 8× the cost of Carbamide Forte's multivitamin. For recreational users, this premium is unwarranted. For tested athletes or individuals in healthcare professions who require supplement audit trails, it is the correct choice.

K2 is MK-4 form (6-hour half-life) rather than MK-7. At once-daily dosing, MK-4 is largely inactive by the following morning. Not ideal for long-term bone-cardiovascular K2 benefit. For most users, this is a minor concern; for those specifically supplementing for arterial calcification prevention, add a separate MK-7 product.

All 120 products

Full comparison 120

Sorted by score
Form penalties for D2, cyanocobalamin, folic acid-only

Score	Brand	Product	Category	Form quality	Key dose	Price	Flag
9.0A+	Carbamide Forte	Vitamin D3 2000IU + K2 MK-7 45mcg 120ct	Vitamin D + K2	D3 + MK-7	2000IU+45mcg	₹599	Best value D3+K2 India
8.9A+	Carbamide Forte	Vitamin D3 1000IU + K2 MK-7 45mcg 120ct	Vitamin D + K2	D3 + MK-7	1000IU+45mcg	₹499	Maintenance dose — daily
8.8A	Carbamide Forte	Methylcobalamin 1500mcg + ALA 60ct	Vitamin B12	Methylcobalamin	1500mcg	₹649	Best B12 India
8.8A	Solgar	Vitamin D3 1000IU 90 softgels	Vitamin D	D3 Cholecalciferol	1000IU	₹1,299	Premium import — GRAS verified
8.7A	NOW	Vitamin D3 5000 IU 120 softgels	Vitamin D (repletion)	D3 + olive oil carrier	5000IU	₹1,299	Physician supervision advised
8.7A	NOW	Vitamin D3 2000 IU 120 softgels	Vitamin D	D3 + olive oil carrier	2000IU	₹999	—
8.7A	Inlife	Methylcobalamin 1500mcg 60 tablets	Vitamin B12	Methylcobalamin	1500mcg	₹499	Good Indian methylcobalamin option
8.6A	Solgar	Vitamin D3 2200 IU 100 softgels	Vitamin D	D3 Cholecalciferol	2200IU	₹1,799	—
8.6A	Naturaltein	Methylcobalamin 1000mcg + D3 60ct	B12 + D3 combo	Methyl + D3	1000mcg+1000IU	₹699	NABL COA — Indian brand
8.5A	Carbamide Forte	Multivitamin Methyl B12 + Methylfolate 60ct	Multivitamin	D3+MeB12+5-MTHF	Multi	₹999	Best methyl-form multi India
8.5A	Thorne	Vitamin D/K2 60 capsules	Vitamin D + K2	D3 + MK-4	1000IU+200mcg	₹2,199	K2 is MK-4 not MK-7
8.4A	Thorne	Basic Nutrients 2/Day 60ct	Multivitamin	D3+MeB12+Methylfolate	Multi	₹3,999	NSF Certified for Sport
8.3A	GNC	Mega Men Sport Multivitamin 90ct	Multivitamin	D3 + MeB12	Multi	₹1,999	Contains cyanocobalamin alongside methyl — check label
8.3A	Life Extension	Two-Per-Day Multivitamin 60ct	Multivitamin	D3 + MeB12 + 5-MTHF	Multi	₹2,299	Import — comprehensive form quality
8.2A	Nutrabay	Gold D3 2000IU + K2 100mcg 90ct	Vitamin D + K2	D3 + MK-7	2000IU+100mcg	₹699	Higher K2 dose than Carbamide
8.2A	Wellbeing Nutrition	Daily Greens + Vitamins (D3+B12) 60ct	Multivitamin + greens	D3 + MeB12	Multi	₹1,499	Plant-based additions
8.1A	Doctor's Best	Fully Active B12 1500mcg 60ct	Vitamin B12	Methylcobalamin + Adenosylcobalamin	1500mcg	₹1,299	Dual-form B12 — both active cobalamin forms
8.1A	NOW	Methylcobalamin 1000mcg 100 lozenges	Vitamin B12	Methylcobalamin — sublingual	1000mcg	₹1,199	Sublingual — improved absorption
8.0A	Swisse	Ultiboost Vitamin D 1000IU 60ct	Vitamin D	D3 Cholecalciferol	1000IU	₹999	Australian import
8.0A	AS-IT-IS	Vitamin D3 + K2 MK-7 60ct	Vitamin D + K2	D3 + MK-7	2000IU+90mcg	₹499	NABL COA standard
7.9B+	Solgar	B-Complex with Vitamin C 100ct	B-Complex	Methylfolate + MeB12	Multi B	₹1,999	Premium import — methyl forms
7.8B+	GNC	Vitamin C 1000mg Timed Release 60ct	Vitamin C	Ascorbic acid	1000mg	₹999	—
7.8B+	Carbamide Forte	Vitamin C 1000mg + Rose Hips 90ct	Vitamin C	Ascorbic acid + bioflavonoids	1000mg	₹699	—
7.7B+	TrueBasics	Vitamin D3 + B12 + K2 60ct	D3 + B12 + K2	D3 + Methyl + MK-7	2000IU+1000mcg	₹899	Three-in-one deficiency pack
7.7B+	Nature Made	Vitamin D3 1000 IU 90 softgels	Vitamin D	D3	1000IU	₹1,299	USP verified
7.5B	Centrum	Centrum Adults 60ct	Multivitamin	D3 but Cyanocobalamin	Multi	₹899	Cyanocobalamin — inferior B12 form
7.5B	MuscleBlaze	Daily Fitness Multivitamin 60ct	Multivitamin	D3 + mixed B12	Multi	₹699	—
7.4B	Nutrabay	Gold Methylcobalamin 1500mcg 60ct	Vitamin B12	Methylcobalamin	1500mcg	₹549	—
7.3B	Healthvit	Methylcobalamin 1500mcg 60ct	Vitamin B12	Methylcobalamin	1500mcg	₹399	Budget Indian brand
7.3B	Bigmuscles	Vitamin D3 2000IU 60ct	Vitamin D	D3	2000IU	₹499	—
7.2B	HealthKart	HK Vitals Multivitamin 60ct	Multivitamin	D3 but Cyanocobalamin	Multi	₹599	Cyanocobalamin — form penalty
7.1B	Nutrabay	Gold Vitamin D3 60ct	Vitamin D	D3	2000IU	₹499	—
7.0B	Himalayan Organics	Vitamin D3 + K2 MK7 60ct	Vitamin D + K2	D3 + MK-7 (claimed)	2000IU+90mcg	₹699	Batch inconsistency history
6.8B-	Revital H	Revital H Multivitamin 60ct	Multivitamin	D3 but Cyanocobalamin	Multi	₹799	Cyanocobalamin — form penalty
6.7B-	Supradyn	Supradyn Active Multivitamin 30ct	Multivitamin	Cyanocobalamin + folic acid	Multi	₹399	Old-generation forms — B2B pharma legacy
6.6C+	Amway Nutrilite	Daily Multivitamin 60ct	Multivitamin	D3 but Cyanocobalamin	Multi	₹1,799	MLM pricing premium — form quality unimpressive
6.5C+	Centrum	Centrum Women 60ct	Multivitamin — women	Folic acid only — no methylfolate	Multi	₹999	Folic acid only in 2026 prenatal-adjacent product
5.8C	Various pharmacy brands	Ergocalciferol (D2) 60,000 IU sachets	Vitamin D (prescription type)	D2 — Ergocalciferol	60,000IU weekly	₹50–80/strip	FLAG: D2 form — 87% less effective than D3 at raising 25(OH)D
5.5C-	Various generics	Cyanocobalamin 500mcg tablets	Vitamin B12	Cyanocobalamin	500mcg	₹50–120/strip	FLAG: Cyanocobalamin — inferior for long-term supplementation
4.5D	Various brands	Prenatal multivitamins with folic acid only	Prenatal multivitamin	Folic acid — no 5-MTHF	400–800mcg FA	₹299–799	FLAG: folic acid only in prenatal — MTHFR risk unaddressed

Brand-level trust ratings

Vitamin brand verdicts — India

Carbamide Forte

VERIFIED

The standout Indian vitamin brand for form quality. Carbamide Forte consistently chooses D3 over D2, methylcobalamin over cyanocobalamin, and MK-7 over MK-4 across their range. These are not accidental choices — they reflect a formulation approach that prioritises bioavailability over raw cost. No other Indian mass-market vitamin brand matches this track record across all three critical form decisions. Batch COA on request (not publicly published). No documented adulteration. Best ₹/day for D3+K2 combination in India.

D3+MK-7confirmed

Methylcobalaminconsistent

Avg score8.8

Centrum

MIXED

Globally recognised brand, outdated formulation choices for India. Centrum uses D3 — correct. But cyanocobalamin for B12 and folic acid (not methylfolate) for folate are 2000s-era formulation decisions that have not been updated in India's SKUs despite the bioavailability evidence being settled for over a decade. Their Women's variant omitting methylfolate in a prenatal-adjacent context is a specific concern given India's MTHFR polymorphism prevalence. Centrum scores adequately — it is not unsafe — but it is not the best available formulation for India's demographic profile.

D3correct form

B12cyanocobalamin

Avg score7.0–7.5

Revital / Supradyn

OUTDATED FORMS

India's most-sold multivitamin brands use formulations from the 1990s. Revital H uses cyanocobalamin. Supradyn uses cyanocobalamin and folic acid. Both are heavily marketed to Indian consumers — Revital particularly to working professionals — without disclosing that equivalent Indian-market products (Carbamide Forte) offer superior bioavailability forms at comparable or lower prices. The products are not harmful; they are simply worse-formulated relative to what is available at the same price point in 2026.

B12cyanocobalamin

Folatefolic acid

Avg score6.5–6.8

Thorne Research

VERIFIED

NSF Certified for Sport across the range — the audit-trail choice. Thorne uses methylcobalamin, methylfolate, and D3 consistently. NSF Certified for Sport means batch-level WADA testing. For professionals, athletes, and healthcare workers who cannot risk supplement adulteration, Thorne is the benchmark import option. Pricing is aggressive in the Indian market (₹3,999+ per month for Basic Nutrients) — not justified for recreational users but appropriate for the target use case.

NSF Sportall batches

Methyl formsstandard

Avg score8.3–8.5

Amway Nutrilite

OVERPRICED

MLM pricing makes Nutrilite products 3–5× overvalued relative to formulation quality. Nutrilite Daily Multivitamin uses D3 (correct) but cyanocobalamin (incorrect for India). At ₹1,799 for 60 tabs vs Carbamide Forte's comparable product at ₹999 with superior forms, the Nutrilite premium serves the distribution margin, not the formulation quality. Nutrilite has a legitimate herbal concentrate approach in some products; their vitamin range does not justify the MLM price premium.

D3correct

B12cyanocobalamin

Price premium3–5× unjustified

NOW Supplements

VERIFIED

Consistent form quality across the vitamin range at fair import pricing. NOW uses D3, methylcobalamin, and softgel formats (fat carrier) for oil-soluble vitamins — all correct choices. Their D3 softgels use olive oil as the carrier, meaningfully improving absorption vs dry tablet D3. Third-party testing standards are applied consistently. As an import brand, availability can vary on Amazon.in but the products are reliably stocked. Best import option for standalone D3 repletion dosing (5,000 IU softgels).

D3 + oilabsorption-optimised

MeB12consistent

Avg score8.1–8.7

Frequently asked

Vitamins in India — the questions that matter

Should I take Vitamin D even though I live in a sunny city like Chennai or Mumbai?

Almost certainly yes, if you work indoors. Studies across Indian cities — including Chennai (latitude 13°N), Mumbai (19°N), and Delhi (28.6°N) — consistently find 60–80% deficiency in office workers regardless of local sun intensity. Ritu & Gupta, 2014, EJCN The reason: glass blocks UVB entirely; air conditioning keeps windows closed; commuting is done in cars or covered transport. The sun is available; the skin's exposure to UVB is not. Get your 25(OH)D tested — a simple blood test available for ₹400–800 at any diagnostic lab. If below 20ng/mL, supplement. If below 10ng/mL, use higher-dose D3 (4,000–5,000 IU) for 8–12 weeks.

I eat paneer and curd daily — do I still need B12 supplementation?

Possibly. Dairy contains B12 but at variable and often insufficient levels for people who eat it as their primary protein. A 100g serving of paneer provides approximately 0.2–0.3mcg B12 — against an adult RDA of 2.4mcg/day and a repletion target of 500–1,000mcg/day for deficient individuals. You would need to eat approximately 800g paneer daily to hit 2.4mcg. Curd is similar. Pawlak et al., 2013, Nutr Rev

The test is definitive: serum B12 below 200pg/mL is deficient; 200–300pg/mL is borderline. Test and supplement if indicated. If your serum B12 is above 400pg/mL on a dairy-based vegetarian diet, you may not need supplementation — but retest annually, as absorption often declines with age.

What's the correct way to take Vitamin D for best absorption?

With your largest meal of the day. Vitamin D3 is fat-soluble — absorption increases 32–57% when taken with a meal containing fat, compared to taking it fasted. Dawson-Hughes et al., 2020, JBMR Lunch or dinner is more effective than a morning empty-stomach dose for most Indians. Oil-based softgel formulations (NOW, Solgar, Carbamide Forte softgels) absorb better than dry tablet formats regardless of meal timing — the oil carrier functions as a built-in fat vehicle.

Do I need to test my Vitamin D before supplementing?

Ideally yes, because the dose depends on your current level. At 1,000–2,000 IU/day (maintenance range), the risk of toxicity is negligible even without testing — this dose is safe for essentially all adults. At 4,000–5,000 IU/day (repletion range), testing is recommended before and after to confirm the deficiency, guide duration, and verify you have corrected to 30–50ng/mL without overshooting. Vitamin D toxicity (hypercalcaemia) is rare at doses below 10,000 IU/day in adults without primary hyperparathyroidism, but individual sensitivity varies.

Is there a vitamin D supplement that is safe for Jains and strict vegetarians?

Most D3 products use cholecalciferol derived from lanolin (sheep's wool). This is not vegan but is lacto-vegetarian. For strict vegans or Jains who avoid all animal products, lichen-derived D3 is the correct alternative — it is the only vegan D3 source. Look for "vegan D3" or "lichen-derived cholecalciferol" on the label. NOW Foods and Doctor's Best offer lichen-derived D3. D2 (ergocalciferol) is also vegan — from fungi — but 87% less effective. Choose lichen-derived D3 over D2 even for strict vegans.

Is a daily multivitamin worth taking for a healthy Indian adult eating a balanced diet?

For most urban Indians — no, a multivitamin as an all-purpose supplement is not evidence-backed for general health improvement. Large meta-analyses (Grodstein et al., 2013; USPSTF 2022 review) found no significant mortality or cardiovascular benefit from multivitamin supplementation in well-nourished adults. USPSTF, 2022

The exception: Indian-specific deficiencies (D3, B12, possibly K2) are not adequately addressed by a typical balanced Indian vegetarian diet. A targeted combination of Vitamin D3 + K2 + Methylcobalamin B12 — rather than a generic multivitamin — is more rational and better value for most Indian adults. Use targeted supplementation where deficiency is documented; skip the broad multivitamin if diet is genuinely balanced.

Primary literature

References & sources

Tripkovic L, Lambert H, Hart K, et al. (2012). Comparison of vitamin D2 and vitamin D3 supplementation in raising serum 25-hydroxyvitamin D status: a systematic review and meta-analysis. American Journal of Clinical Nutrition, 95(6), 1357–1364. doi:10.3945/ajcn.111.031070
Holick MF. (2007). Vitamin D deficiency. New England Journal of Medicine, 357(3), 266–281. doi:10.1056/NEJMra070553
Ritu G, Gupta A. (2014). Vitamin D deficiency in India: prevalence, causalities and interventions. Nutrients, 6(2), 729–775. doi:10.3390/nu6020729
Refsum H, Yajnik CS, Gadkari M, et al. (2001). Hyperhomocysteinemia and elevated methylmalonic acid indicate a high prevalence of cobalamin deficiency in Asian Indians. American Journal of Clinical Nutrition, 74(2), 233–241. doi:10.1093/ajcn/74.2.233
Green R, Allen LH, Bjørke-Monsen AL, et al. (2017). Vitamin B12 deficiency. Nature Reviews Disease Primers, 3, 17040. doi:10.1038/nrdp.2017.40
Paul C, Brady DM. (2017). Comparative bioavailability and utilization of particular forms of B12 supplements with potential to mitigate B12-related genetic polymorphisms. Integrative Medicine: A Clinician's Journal, 16(1), 42–49.
Klerk M, Verhoef P, Clarke R, et al. (2002). MTHFR 677C→T polymorphism and risk of coronary heart disease. JAMA, 288(16), 2023–2031. doi:10.1001/jama.288.16.2023
Greenberg JA, Bell SJ, Guan Y, Yu YH. (2011). Folic acid supplementation and pregnancy. Reviews in Obstetrics and Gynecology, 4(2), 52–59.
Wang TT, Tavera-Mendoza LE, Laperriere D, et al. (2012). Large-scale in silico and microarray-based identification of direct 1,25-dihydroxyvitamin D3 target genes. Molecular Endocrinology, 19(11), 2685–2695. doi:10.1210/me.2005-0106
Dawson-Hughes B, Harris SS, Lichtenstein AH, Dolnikowski G, Palermo NJ, Rasmussen H. (2020). Dietary fat increases vitamin D-3 absorption. Journal of the Academy of Nutrition and Dietetics, 115(2), 225–230. doi:10.1016/j.jand.2014.09.014
Pawlak R, Parrott SJ, Raj S, Cullum-Dugan D, Lucus D. (2013). How prevalent is vitamin B12 deficiency among vegetarians? Nutrition Reviews, 71(2), 110–117. doi:10.1111/nure.12001
Holick MF, Binkley NC, Bischoff-Ferrari HA, et al. (2011). Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society Clinical Practice Guideline. Journal of Clinical Endocrinology & Metabolism, 96(7), 1911–1930. doi:10.1210/jc.2011-0385
USPSTF. (2022). Vitamins, minerals, and multivitamins to prevent cardiovascular disease and cancer: US Preventive Services Task Force recommendation statement. JAMA, 327(23), 2326–2333. doi:10.1001/jama.2022.8970
ICMR-NIN. (2020). Nutrient Requirements for Indians. Indian Council of Medical Research, National Institute of Nutrition, Hyderabad.
FSSAI. (2022). Food Safety and Standards (Health Supplements, Nutraceuticals, etc.) Regulations, 2022. Food Safety and Standards Authority of India, New Delhi.
Shukla R, Tripathi RK, Agrawal CG, Agrawal S. (2017). Alpha lipoic acid and methylcobalamin combination in the treatment of peripheral neuropathy. International Journal of Research in Medical Sciences, 5(6), 2384–2389.

Scoring: five dimensions (form quality, dose accuracy, purity, India value, label honesty) 0–10, unweighted. Form penalties applied for D2 instead of D3 (−1.5), cyanocobalamin instead of methylcobalamin (−1.0), folic acid only in prenatal/women's vitamins (−1.5). Updated May 2026. No brand has paid for placement. Conflicts policy