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Some products reference specific peptide compounds such as collagen peptides, BPC-157, or analogues of glucagon-like peptide-1 (GLP-1) the same hormone class targeted by licensed prescription medicines such as semaglutide (Wegovy) and liraglutide (Saxenda)

Generally, benefits can last about one to three months

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There is also discussion in the same Medical News Today article that standard trials escalate doses monthly mainly to optimize effect under defined trial conditions, but that in real-world practice, individuals differ widely in sensitivity, metabolism, side effect profile, etc