How are peptides made?

Nearly all research peptides are produced by chemical synthesis, assembling the sequence one amino acid at a time on a solid support resin, a well established manufacturing process rather than something extracted from an animal or plant source. This is why chemically identical products can come from many different manufacturers with very different quality control, which is exactly why an independent certificate of analysis matters more than the seller's own description.

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of research peptides, the category. What research peptides are, legally and practically, before getting into specific compounds.