Brand profile
Doctor's Best is a Tustin, California-based supplement company that says it has supported healthy lifestyles for more than 30 years. It focuses on science-based formulas built around branded ingredients, such as Albion TRAACS chelated minerals, and sells magnesium, CoQ10, glucosamine and other supplements through its own site, Amazon, iHerb and retailers.
Average score
Across 1 product
Testing & quality
Doctor's Best emphasizes branded, clinically studied ingredients and research-backed formulas; its High Absorption Magnesium carries no USP or NSF certification.
Doctor's Best
A long-running Amazon favorite: 200 mg of fully chelated magnesium per serving that is easy on the gut, but the tablets are large and the full label dose exceeds the UL.
Video reviews