Refine Your Supplement Intake

Find Exactly What You Need

Exclude What You Don't Want

Save Money By Buying Less

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Nutri Doctor indexes supplement products from multiple US merchants and breaks each one down by ingredient, so you can search by what is actually in the bottle - add the ingredients you want, exclude the ones you don't, and compare serving sizes and prices side by side.

Browse supplements Every ingredient we track, A to Z, with the products that contain it. Popular combinations Ingredient pairs that share a bottle, so you buy one instead of two. All-in-one supplements Products covering the widest range of ingredients at once. Rare finds Ingredients only a handful of products anywhere still carry.
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* Always consult your doctor before taking anything