Find peptide vendors and resellers serving individual researchers, clinics, and small institutions. These suppliers bridge the gap between bulk manufacturers and the end buyer, offering smaller quantities, retail-friendly packaging, and streamlined ordering. Showing 43 listed suppliers. Vendors may resell products sourced from upstream manufacturers rather than synthesizing in-house. Before ordering, confirm manufacturer identity, batch-specific COAs, third-party testing, storage conditions, and compliance with research-use-only regulations.
Directory listing last reviewed October 2026.
Use location, product coverage, testing evidence, fulfillment terms, and transparency about upstream manufacturing to build a shortlist. A polished storefront is not a substitute for batch-level documentation.
Match the lot number on the product to the COA, verify the named laboratory independently, and look for both identity and purity testing. Review the third-party tested and COA available directories.
A vendor typically sells smaller packaged quantities and may source from another company. Buyers that need direct production, custom sequences, or larger scales should compare the peptide manufacturer directory.