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Peptide Reality Check

Peptides are everywhere, and the hype rarely matches the evidence. Each peptide here shows its FDA status, from approved to not approved, and what researchers said about it on tape.

FDA-approved Prescription, investigational or approved in some countries Not FDA-approved
Based on what researchers say in public interviews on YouTube, plus public FDA and regulatory status. Not medical advice. Peptides are prescription territory; talk to a physician.
PT-141 FDA-approved

Sexual health / libido (melanocortin) · Bremelanotide, Vyleesi
Semaglutide FDA-approved

Weight loss / metabolic (GLP-1) · Ozempic, Wegovy
Tesamorelin FDA-approved

Growth hormone / visceral fat · Egrifta (GHRH analog)
Tirzepatide FDA-approved

Weight loss / metabolic (dual GIP/GLP-1) · Mounjaro, Zepbound
Sermorelin Prescription (GHRH analog)

Growth hormone secretagogue · GHRH analog
Thymosin Alpha-1 Approved in some countries

Immune support · Tα1
Retatrutide Investigational (Phase 3)

Weight loss / metabolic (investigational) · Triple agonist (GLP-1 + GIP + glucagon)
BPC-157 Not FDA-approved (FDA Category 2)

Tissue repair / recovery · Body Protection Compound 157
CJC-1295 Not FDA-approved (FDA Category 2)

Growth hormone secretagogue · GHRH analog
Epitalon Not FDA-approved

Longevity / circadian · Epithalon
GHK-Cu Cosmetic use, not an approved drug

Skin / regeneration · Copper peptide
Ipamorelin Not FDA-approved

Growth hormone secretagogue · Ghrelin-receptor agonist (GHRP)
MK-677 Not FDA-approved

Growth hormone secretagogue (oral) · Ibutamoren
MOTS-c Not FDA-approved

Mitochondrial / energy · Mitochondrial-derived peptide
TB-500 Not FDA-approved

Tissue repair / recovery · Thymosin Beta-4 (fragment)

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Peptides: Full Evidence Report Are Peptides Safe? Does BPC-157 Work? GLP-1 Report