Who makes Doctor's BEST? Amazon sales, products and sellers
Updated November 2026 with September 2026 data
At a glance
- Size
- Large
- $5.4M est./mo
- Trend
- Stable
- -7%, last 2 vs prior 2 months
- Ratings
- Strong
- 4.6 ★ · 348,146 reviews
- Who sells it
- Mostly one seller
- Top seller has >99% of units
Doctor's BEST estimated monthly revenue on Amazon
Our read on Doctor's BEST
Doctor's BEST is a large brand in the Magnesium category of Health & Household, ranking 12 of 507 brands with about 2% of the category's estimated revenue. In September 2026 it had estimated revenue of $5.4M on 240,000 estimated units, down 6% from $5.7M in June 2026, and the trend over the latest 2 months is labeled stable at -7%. It has 111 products selling and an average rating of 4.6 across 348,146 reviews. Its top product, the Magnesium Glycinate Lysinate, sells an estimated 49,000 units per month. Sales are concentrated: one seller, Doctors Best, accounts for more than 99% of units, while Amazon holds less than 1%.
Top Doctor's BEST products on Amazon
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| Product | Rating | Est. units/mo | Amazon link |
|---|---|---|---|
| Doctor's Best High Absorption Magnesium Glycinate Lysinate | 4.6 ★76,694 reviews | 49,000 | Check price on Amazon |
| Doctor's BEST High Absorption CoQ10 | 4.6 ★34,320 reviews | 14,000 | Check price on Amazon |
| Doctor's Best Glucosamine Chondroitin MSM | 4.6 ★21,157 reviews | 10,000 | Check price on Amazon |
| Doctor's BEST Natural Vitamin K2 MK7 Supplement | 4.7 ★6,525 reviews | 8,100 | Check price on Amazon |
| Doctor's BEST PepZin GI, Zinc-L-Carnosine Complex | 4.5 ★5,434 reviews | 7,800 | Check price on Amazon |
| Doctor's Best Nattokinase 2000 FU Supplement | 4.6 ★9,082 reviews | 5,300 | Check price on Amazon |
| Doctor's BEST Vitamin D3 5000 IU Softgels for Men & Women | 4.8 ★26,466 reviews | 4,500 | Check price on Amazon |
| Doctor's Best MSM Powder Supplement for Men & Women | 4.5 ★17,101 reviews | 4,200 | Check price on Amazon |
| Doctor's BEST High Absorption Curcumin | 4.6 ★4,099 reviews | 4,100 | Check price on Amazon |
| Doctor's BEST High Absorption CoQ10 with BioPerine | 4.7 ★7,334 reviews | 3,800 | Check price on Amazon |
Who sells Doctor's BEST
- Doctors Best>99%
- Amazon<1%
Share of estimated units sold in September 2026, by the seller holding the Buy Box.
Place in its category
#12 of 507
Rank 12 of 507 brands in Magnesium by estimated revenue in September 2026, with 2% of the category.
Frequently asked questions
Who makes Doctor's BEST?
Doctor's BEST is the brand name on 111 products we tracked on Amazon in September 2026 mostly in Magnesium (Health & Household). The largest seller of Doctor's BEST products that month was Doctors Best, with >99% of estimated units. Amazon listings don't show the brand owner's legal name, so the brand's own website is the place to confirm its parent company.
How much does Doctor's BEST sell on Amazon?
Doctor's BEST sold an estimated $5.4M on Amazon in September 2026, about 240,000 units. That is -6% compared with June 2026. These are Ecominsights estimates, not figures reported by the brand.
What are Doctor's BEST's best-selling products on Amazon?
By estimated units sold in September 2026: 1. Doctor's Best High Absorption Magnesium Glycinate Lysinate (about 49,000 units); 2. Doctor's BEST High Absorption CoQ10 (about 14,000 units); 3. Doctor's Best Glucosamine Chondroitin MSM (about 10,000 units).