Doctor's Best
Science-first single actives, built plainly on branded raw materials.
A US supplement brand emphasizing science-based formulas, popular for high-absorption magnesium and CoQ10.
Brand facts
- Founded
- 1990
- Headquarters
- San Clemente, California, USA
- Origin
- United States
About Doctor's Best
A physician-founded US brand emphasizing evidence and branded raw materials. It builds formulas plainly on suppliers' technology — high-absorption magnesium (Albion chelate), CoQ10 (Kaneka) — and is a staple among iHerb users.
What sets Doctor's Best apart
Its core policy is to formulate reputable branded actives with minimal extras, marketing absorption and evidence.
Ingredient sourcing
Uses branded raw materials such as Albion (magnesium) and Kaneka (CoQ10).
Manufacturing & quality
Made by cGMP-compliant contract manufacturers.
Certifications & testing
- Made in cGMP-compliant facilities
- Uses branded ingredients (Albion, Kaneka, etc.)
Signature products
- High Absorption Magnesium
- CoQ10 (Kaneka)
- Ceramides
- L-Arginine
Focus categories
- Minerals
- CoQ10 & cardiovascular
- Amino acids
- Beauty
Price positioning
Mid-range — reasonable given the branded ingredients.
Where to buy in Japan
Available via iHerb, Amazon.co.jp and Rakuten Ichiba.
Best for
People who want single actives chosen for absorption and evidence.
Things to keep in mind
Sold mainly via iHerb; hard to find in Japanese physical stores.
Frequently asked questions
What is High Absorption Magnesium?
A Doctor's Best staple using Albion's chelated magnesium, formulated for absorption.
Prices are sample data. Check the retailer's site for the current price.