Independent supplement ratingsUS and Canada · Updated weekly
A ratings desk for a category that has spent thirty years grading its own homework.
A ratings desk for a category that has spent thirty years grading its own homework.
Boring labels, sensible prices. Our plain read on how transparent they are about doses and testing — and what their products actually scored.
Doctor's Best sits in the unglamorous middle of the market: fully-disclosed labels, branded raw ingredients, and prices that do not require a justification.
Labels are disclosed, and where the company uses a branded raw material it names it rather than hiding it inside a blend. That matters more than it sounds — a named, standardised ingredient is one you can look up in the research; an anonymous one is not.
This is the brand's strongest card. In our magnesium ranking, their high-absorption chelate delivers the same elemental dose as products costing several times more per serving. When two products land on the same dose and the same form, price per serving is the tiebreaker, and Doctor's Best usually wins it.
Third-party sport certification is not standard across the range, so drug-tested athletes should check product by product rather than assuming. And the catalogue is wide — width is how brands end up with a few products that exist because a category was empty, not because the evidence asked for them.
Scored on the same public formula as every other product on this site. See the method →
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