Start with Herb’s peptides and supplements deals page. We round up discounts, bundles, and subscription offers from participating brands, and every link goes straight to the brand’s site. Buying larger sizes or subscribing to products you use daily, like collagen, is usually the most cost-effective move.

Look for items like third-party testing, a clear ingredient list, a certificate of analysis (COA) when one is available, and brand reputation. Check the label for serving size and any “research use only” or “not for human consumption” language, since that means a product isn’t sold as a supplement. The FDA doesn’t approve supplements before they’re sold, so brand transparency matters. It’s also a good idea to talk with a healthcare provider before starting something new.

Often, yes. Online retailers can run direct-to-consumer promotions and carry a wider range of brands than most local stores. Herb’s deals page makes it easy to compare peptides for sale across brands and links you straight to the source.

Peptides are short chains of amino acids, the building blocks of protein. “Supplements” is a broader category that covers vitamins, minerals, herbs, amino acids, and more. Some peptides, like collagen peptides, are sold as supplements, while others are sold as research compounds or used in prescription medications. Always check how a product is labeled and intended to be used before you buy.