SuppRankedTop 10 Vitamins brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's Vitamins Best Sellers top 100. Updated October 15, 2026.
Nature Made is the top-selling Vitamins brand on Amazon by estimated revenue, at about $5.7M/mo from 17 products in the Vitamins Best Sellers top 100. That is about 32% more than #2 THORNE (~$4.3M/mo). The list is fragmented: the top 3 brands take about 25% of its estimated sales and the top 10 about 57%, spread across 39 brands in total. About 26% of the products are gummies. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Nature Made10% share · best #3 | $5.7M |
| 2 | THORNE8% share · best #14 | $4.3M |
| 3 | WEEM7% share · best #4 | $3.8M |
| 4 | MaryRuth's5% share · best #5 | $3.1M |
| 5 | Pure Encapsulations5% share · best #15 | $2.9M |
| 6 | Centrum5% share · best #8 | $2.6M |
| 7 | Ritual5% share · best #23 | $2.6M |
| 8 | Nature's Bounty5% share · best #20 | $2.6M |
| 9 | ONNIT4% share · best #84 | $2.4M |
| 10 | TRU4% share · best #46 | $2.4M |
The top 10, brand by brand
1. Nature Made
~$5.7M/mo est. revenue (10% of this list) and ~442K units/mo from 17 products; best position #3. Its highest-ranked product here is Nature Made Vitamin D3 1000 IU (25 mcg), 300 Vitamin D Softgels | Vitamin D… at #3. Overall it ranks #4 of 3,479 brands.
2. THORNE
~$4.3M/mo est. revenue (8% of this list) and ~143K units/mo from 6 products; best position #14. Its highest-ranked product here is THORNE Basic Nutrients 2/Day, Vitamin & Mineral Formula, 60 Capsules… at #14. Overall it ranks #8 of 3,479 brands.
3. WEEM
~$3.8M/mo est. revenue (7% of this list) and ~108K units/mo from 1 product; best position #4. Its highest-ranked product here is WEEM Hair Skin and Nails Gummies - Supports Healthy Hair - Vegan biotin… at #4. Overall it ranks #166 of 3,479 brands.
4. MaryRuth's
~$3.1M/mo est. revenue (5% of this list) and ~84.7K units/mo from 3 products; best position #5. Its highest-ranked product here is MARYRUTH'S Liquid Multivitamin + Hair Growth, Clinically Thicker Hair, 15oz… at #5. Overall it ranks #15 of 3,479 brands.
5. Pure Encapsulations
~$2.9M/mo est. revenue (5% of this list) and ~76.6K units/mo from 3 products; best position #15. Its highest-ranked product here is Pure Encapsulations Vitamin D3 & K2, 120 Capsules | Bone and Vascular Health… at #15. Overall it ranks #3 of 3,479 brands.
6. Centrum
~$2.6M/mo est. revenue (5% of this list) and ~145K units/mo from 4 products; best position #8. Its highest-ranked product here is Centrum Silver Women's Multivitamin for Women 50 and Over, 200 Tablets… at #8. Overall it ranks #88 of 3,479 brands.
7. Ritual
~$2.6M/mo est. revenue (5% of this list) and ~63.8K units/mo from 2 products; best position #23. Its highest-ranked product here is Ritual Women's Prenatal Multivitamins - Folate, Iron, Omega-3 DHA, Choline… at #23. Overall it ranks #67 of 3,479 brands.
8. Nature's Bounty
~$2.6M/mo est. revenue (5% of this list) and ~268K units/mo from 8 products; best position #20. Its highest-ranked product here is Nature's Bounty Biotin Hair Skin and Nails Vitamins, 120 Softgels | Supports… at #20. Overall it ranks #6 of 3,479 brands.
9. ONNIT
~$2.4M/mo est. revenue (4% of this list) and ~30K units/mo from 1 product; best position #84. Its highest-ranked product here is ONNIT Alpha Brain Nootropic Brain Supplement for Focus & Memory, 90 Count… at #84. Overall it ranks #212 of 3,479 brands.
10. TRU
~$2.4M/mo est. revenue (4% of this list) and ~48.7K units/mo from 1 product; best position #46. Its highest-ranked product here is TRU NIAGEN NAD+ Supplement, Nicotinamide Riboside 300mg, 30 Daily Servings… at #46. Overall it ranks #200 of 3,479 brands.
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Full Vitamins ranking
All 39 brands in the list, ordered by rank strength, plus the top 10 products.
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