Top 10 Vitamin D brands on Amazon (estimated revenue)

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

Nature Made is the top-selling Vitamin D brand on Amazon by estimated revenue, at about $2M/mo from 11 products in the Vitamin D Best Sellers top 100. That is about 2.2× as much as #2 THORNE (~$905K/mo). The list is fairly concentrated: the top 3 brands take about 33% of its estimated sales and the top 10 about 64%, spread across 39 brands in total. The median list price in this top 100 is $13.56, and 17% of the products are gummies. All figures are modeled estimates, not Amazon data.

#BrandEst. revenue/moShare of listEst. units/moProductsBest rank
1Nature Made18% share · best #2$2M18%168K11#2
2THORNE8% share · best #6$905K8%41.8K4#6
3Pure Encapsulations7% share · best #11$742K7%22.6K2#11
4Nature's Bounty7% share · best #3$739K7%57.7K4#3
5NatureWise7% share · best #1$730K7%48.7K1#1
6NOW Foods6% share · best #9$650K6%66.2K10#9
7Garden of Life3% share · best #29$324K3%15.5K3#29
8MaryRuth's3% share · best #47$323K3%12.8K3#47
9Deal Supplement3% share · best #40$320K3%13.3K2#40
10Bronson Vitamins3% share · best #21$315K3%31.7K6#21
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. Nature Made

~$2M/mo est. revenue (18% of this list) and ~168K units/mo from 11 products; best position #2. Its highest-ranked product here is Nature Made Vitamin D3 1000 IU (25 mcg), 300 Vitamin D Softgels | Vitamin D… at #2. Overall it ranks #1 of 867 brands.

2. THORNE

~$905K/mo est. revenue (8% of this list) and ~41.8K units/mo from 4 products; best position #6. Its highest-ranked product here is THORNE Vitamin D-5,000, Vitamin D3 Supplement, 5,000 IU, 60 Capsules | Supports… at #6. Overall it ranks #3 of 867 brands.

3. Pure Encapsulations

~$742K/mo est. revenue (7% of this list) and ~22.6K units/mo from 2 products; best position #11. Its highest-ranked product here is Pure Encapsulations Vitamin D3 125 mcg (5,000 IU), 120 Capsules | Supplement to… at #11. Overall it ranks #7 of 867 brands.

4. Nature's Bounty

~$739K/mo est. revenue (7% of this list) and ~57.7K units/mo from 4 products; best position #3. Its highest-ranked product here is Nature's Bounty Vitamin D3 2000 IU Essential for Healthy Bones 350 Softgels… at #3. Overall it ranks #4 of 867 brands.

5. NatureWise

~$730K/mo est. revenue (7% of this list) and ~48.7K units/mo from 1 product; best position #1. Its highest-ranked product here is NatureWise Vitamin D3 5000IU Supplement, Immune Support, 360 Mini Softgels… at #1. Overall it ranks #25 of 867 brands.

6. NOW Foods

~$650K/mo est. revenue (6% of this list) and ~66.2K units/mo from 10 products; best position #9. Its highest-ranked product here is NOW Foods Supplements, Vitamin D-3 5,000 IU, High Potency, Structural Support*… at #9. Overall it ranks #5 of 867 brands.

7. Garden of Life

~$324K/mo est. revenue (3% of this list) and ~15.5K units/mo from 3 products; best position #29. Its highest-ranked product here is Garden of Life Vitamin Code Raw D3 5000 IU, 60 Vegetarian Capsules | Raw Whole… at #29. Overall it ranks #9 of 867 brands.

8. MaryRuth's

~$323K/mo est. revenue (3% of this list) and ~12.8K units/mo from 3 products; best position #47. Its highest-ranked product here is MARYRUTH'S USDA Organic Megadose Vitamin D3 Liquid Drops, Pineapple, 1 oz… at #47. Overall it ranks #10 of 867 brands.

9. Deal Supplement

~$320K/mo est. revenue (3% of this list) and ~13.3K units/mo from 2 products; best position #40. Its highest-ranked product here is DEAL SUPPLEMENT Vitamin D3 5,000 IU + K2 MK7 Softgels, 250 Count | 2-in-1… at #40. Overall it ranks #79 of 867 brands.

10. Bronson Vitamins

~$315K/mo est. revenue (3% of this list) and ~31.7K units/mo from 6 products; best position #21. Its highest-ranked product here is Bronson Vitamin D3 5000iu (125mcg) Non-GMO Gluten-Free Soy-Free 360 Tablets… at #21. Overall it ranks #17 of 867 brands.

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