Table of Contents
Table of Contents
The dietary supplement industry is facing a trust crisis. In a 2026 YouGov survey commissioned by iHerb, 54% of recent U.S. online supplement buyers were concerned about counterfeits. Because online marketplaces allow almost anyone to set up shop, consumers must be incredibly careful about where they spend their money.
Counterfeits don't just waste your money; they can pose serious health risks. Bad actors easily duplicate brand pages and buy fake reviews. Independent lab testing of 44 top-selling marketplace supplements revealed that half contained less than 3% of their advertised ingredients. In many cases, verified brands found counterfeit bottles filled with nothing but cheap rice flour.
Beware of Prices: If a deal seems too good to be true, it’s likely a fake or expired product.
Watch for Red Flags: Look for label typos, missing UPCs, or pills that look or smell different than usual.
Buy from Verified Retailers: Avoid third-party resellers on major marketplaces.
1. Stick to Well-Known National Brands: Established brands have too much reputational risk to compromise on product integrity.
2. Trust Only Verified Buyer Reviews: Rely on retailers that authenticate purchases rather than open platforms flooded with paid feedback.
3. Insist on Climate-Controlled Storage: Even genuine nutrients rapidly degrade if they sit in non-GMP, temperature-volatile warehouses.
4. Check the Expiration Date and Packaging: Watch for suspiciously low prices, missing lot numbers, label typos, or altered bottle colors.
At iHerb, there are no third-party sellers. All 50,000+ products are sold and shipped directly by us from climate-controlled warehouses. And with our own iHerb Brands, we go a step further. We provide iTested Certificates of Analysis, meaning independent, third-party labs have verified the ingredients, purity, and label claims.
Don't gamble with your health - shop confidently with a verified retailer.
Learn more about the iHerb Quality Promise.
DISCLAIMER: These statements have not been approved by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent disease.
