Top 10 Vitamin B brands on Amazon (estimated revenue)

Ranked by estimated monthly revenue from Amazon's Vitamin B Best Sellers top 100. Updated October 15, 2026.

WEEM is the top-selling Vitamin B brand on Amazon by estimated revenue, at about $3.8M/mo from 1 product in the Vitamin B Best Sellers top 100. That is about 72% more than #2 Nature Made (~$2.2M/mo). The list is fairly concentrated: the top 3 brands take about 33% of its estimated sales and the top 10 about 68%, spread across 42 brands in total. The median list price in this top 100 is $18.38, and 17% of the products are gummies. All figures are modeled estimates, not Amazon data.

#BrandEst. revenue/moShare of listEst. units/moProductsBest rank
1WEEM16% share · best #1$3.8M16%108K1#1
2Nature Made9% share · best #3$2.2M9%164K11#3
3Nature's Bounty8% share · best #4$2M8%214K15#4
4TRU6% share · best #13$1.5M6%23.8K2#13
5NEURIVA5% share · best #26$1.3M5%32.3K4#26
6Pure Encapsulations5% share · best #11$1.2M5%34.8K3#11
7NUTRAHARMONY5% share · best #2$1.2M5%48.7K1#2
8THORNE5% share · best #15$1.1M5%44.3K4#15
9MaryRuth's4% share · best #31$1.1M4%29.1K4#31
10Nutricost4% share · best #16$982K4%65.9K9#16
Estimates, not official Amazon data. Rankings and revenue are modeled from public Amazon Best Sellers lists and list prices (units × price, before returns, discounts and fees; not profit) and may differ from real sales. How it works.

The top 10, brand by brand

1. WEEM

~$3.8M/mo est. revenue (16% of this list) and ~108K units/mo from 1 product; best position #1. Its highest-ranked product here is WEEM Hair Skin and Nails Gummies - Supports Healthy Hair - Vegan biotin… at #1. Overall it ranks #62 of 867 brands.

2. Nature Made

~$2.2M/mo est. revenue (9% of this list) and ~164K units/mo from 11 products; best position #3. Its highest-ranked product here is Nature Made Vitamin B12 1000 mcg, Energy Metabolism Support, 150 Softgels | B12… at #3. Overall it ranks #1 of 867 brands.

3. Nature's Bounty

~$2M/mo est. revenue (8% of this list) and ~214K units/mo from 15 products; best position #4. Its highest-ranked product here is Nature's Bounty Biotin Hair Skin and Nails Vitamins, 120 Softgels | Supports… at #4. Overall it ranks #4 of 867 brands.

4. TRU

~$1.5M/mo est. revenue (6% of this list) and ~23.8K units/mo from 2 products; best position #13. Its highest-ranked product here is TRU NIAGEN NAD+ Supplement, Nicotinamide Riboside 300mg, 30 Daily Servings… at #13. Overall it ranks #178 of 867 brands.

5. NEURIVA

~$1.3M/mo est. revenue (5% of this list) and ~32.3K units/mo from 4 products; best position #26. Its highest-ranked product here is NEURIVA Plus Brain Supplement for Memory and Focus - 30 Count Capsules… at #26. Overall it ranks #157 of 867 brands.

6. Pure Encapsulations

~$1.2M/mo est. revenue (5% of this list) and ~34.8K units/mo from 3 products; best position #11. Its highest-ranked product here is Pure Encapsulations B-Complex Plus, 120 Capsules | B Vitamins Supplement to… at #11. Overall it ranks #7 of 867 brands.

7. NUTRAHARMONY

~$1.2M/mo est. revenue (5% of this list) and ~48.7K units/mo from 1 product; best position #2. Its highest-ranked product here is Biotin, Collagen & Keratin + Full B-Complex - Hair Growth Support - 60 Caps… at #2. Overall it ranks #100 of 867 brands.

8. THORNE

~$1.1M/mo est. revenue (5% of this list) and ~44.3K units/mo from 4 products; best position #15. Its highest-ranked product here is THORNE Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports… at #15. Overall it ranks #3 of 867 brands.

9. MaryRuth's

~$1.1M/mo est. revenue (4% of this list) and ~29.1K units/mo from 4 products; best position #31. Its highest-ranked product here is MARYRUTH'S Daily Liquid Hair Formula, Thicker, Stronger Hair in Women, 16oz… at #31. Overall it ranks #10 of 867 brands.

10. Nutricost

~$982K/mo est. revenue (4% of this list) and ~65.9K units/mo from 9 products; best position #16. Its highest-ranked product here is Nutricost Vitamin B2 (Riboflavin) 400mg, 120 Capsules, Gluten Free | GMO-Free at #16. Overall it ranks #2 of 867 brands.

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