Tesamorelin: the visceral-fat GHRH analog
An FDA-approved growth-hormone-releasing hormone analog studied specifically for reducing deep abdominal fat — not a general weight-loss drug.
The blog
Evidence Level: Well-studied
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GHK-Cu: the copper peptide for skin & repair
A naturally occurring copper-binding tripeptide studied for collagen, skin firmness, and wound healing — one of the better-studied cosmetic peptides.
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Thymosin Alpha-1: the immune-modulating peptide
An immune-modulating peptide approved in 30+ countries (as Zadaxin) for hepatitis and as a cancer-immune adjuvant — though not FDA-approved in the US.
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BPC-157: Benefits, Dosing, Mechanism & Risks
A synthetic peptide studied primarily for tissue repair and gut health — here’s what the research actually shows, and what it doesn’t.