"Search the term "peptides" and a long list of online retailer options will pop up. You'll be offered vials of molecules with funky names that sound like exoplanets: GHK-CU, CJC12-95, Thymosin Beta-4. These synthetic peptides are growing popular among biohackers and wellness influencers. They take them, often via injection, in hopes they'll enhance athletic performance and optimize health. Among scores of enthusiasts online, fitness TikToker Noah Jay claimed in a recent video that the peptide BPC-157 healed his shoulder injury: "I absolutely love this stuff!""
"Different peptides have different claims but some of the most popular ones are: muscle growth, better immune function and slower aging. Peptides are chains of amino acids and there are millions of them in the human body. Some signal your body to do important things like regulate immune function, grow certain cells and control hormones. There are well-known synthetic peptides that are FDA-approved, effective medicine. Insulin is one, as is the active ingredient of GLP-1 obesity drugs."
Online retailers sell numerous synthetic peptides with names like GHK-CU, CJC12-95 and Thymosin Beta-4. Biohackers and wellness influencers promote injections of these peptides to boost athletic performance, muscle growth, immune function and slow aging, sometimes linking discount codes. Some peptides are FDA-approved medicines, such as insulin and the active ingredient in GLP-1 obesity drugs. Many widely marketed peptides remain experimental, with most studies limited to animal or lab work rather than human trials. Using unapproved peptides carries safety risks and uncertain benefits, and experts advise caution.
Read at www.npr.org
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