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Rotate injection sites regularly to prevent lipodystrophy and scarring that can affect absorption

And then a new question shows up: What actually happens when I start working out

The peptide was chemically intact and present at therapeutic plasma levels

Track for the first 4 weeks

Free fatty acid receptor GPR120 is highly expressed in enteroendocrine K cells of the upper small intestine and has a critical role in GIP secretion after fat ingestion

Last reviewed: May 23, 2026 Last updated: May 23, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations