◆ Latest: Retatrutide Phase 3 trial reports 24% weight reduction at 48 wks◆ Established: 10 peptides now FDA approved for metabolic indications◆ Preclinical: BPC-157 meta-analysis (17 rodent studies) published◆ Evidence: new mitochondrial peptide review covers MOTS-c, SS-31, Humanin◆ Safety: hCG supply disruption update, Q2 2026◆ Editorial: The Mitochondrial Decade, new long-read◆ Latest: Retatrutide Phase 3 trial reports 24% weight reduction at 48 wks◆ Established: 10 peptides now FDA approved for metabolic indications◆ Preclinical: BPC-157 meta-analysis (17 rodent studies) published◆ Evidence: new mitochondrial peptide review covers MOTS-c, SS-31, Humanin◆ Safety: hCG supply disruption update, Q2 2026◆ Editorial: The Mitochondrial Decade, new long-read

Definition

Peptide

A short chain of amino acids (typically 2–50) linked by peptide bonds. Shorter than proteins. Many act as signaling molecules in the body: hormones, neurotransmitters, growth factors. BPC-157 (15 aa), semaglutide (31 aa), and thymosin α-1 (28 aa) are all peptides.

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This site is for educational and research purposes only. It does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide or supplement.