Proof over promise: the value of third-party verification for supplement manufacturers

Published: 20-Feb-2026
Regulatory

Although there are more than 100,000 vitamins and dietary supplements on the market, product quality can vary depending on many factors, including the ingredients they contain, how they were sourced, how the product is manufactured and more

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With nearly 75% of Americans taking dietary supplements, how do retailers know which products they should make available to their customers?1

And how do consumers decide which products to trust?

Based on recent data collected by the United States Institute for Quality, more than 70% of consumers report actively seeking a quality indicator before making a purchase.

This demonstrates that brand reputation and credibility have become increasingly important to the average buyer.2

Emily Rose Britton (pictured), Senior Manager, Market Development, Dietary Supplement and Ingredient Verification Programs at USP, takes up the story.  

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