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Peptide library · Version 1.0

Search the evidence, not the hype.

Each entry separates the molecule from the product, the claim from the outcome, and regulatory status from online popularity.

20 entries

Metabolic peptide medicines

Semaglutide

Established for reviewed context

A prescription peptide medicine with established uses, product-specific labels, and an important divide between approved and unapproved versions.

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Metabolic peptide medicines

Insulin

Established for reviewed context

A natural peptide hormone and foundational family of diabetes medicines whose effects, risks, and use depend on the exact product and care plan.

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Metabolic peptide medicines

Tirzepatide

Established for reviewed context

A dual GIP and GLP-1 receptor agonist with approved products and large human trials, bounded by product-specific indications, labels, and safety information.

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Recovery and repair claims

BPC-157

Emerging for reviewed context

An investigational peptide with a sizable preclinical literature, early human work, and a large gap between biological signal and proven clinical effect.

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Growth signaling

CJC-1295

Emerging for reviewed context

A long-acting growth-hormone-releasing hormone analogue with clear human biomarker activity but no established clinical benefit for popular body-composition or recovery claims.

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Growth signaling

Ipamorelin

Emerging for reviewed context

A growth-hormone secretagogue with demonstrated human pharmacology, a negative proof-of-concept efficacy trial, and unresolved route, safety, and product-quality questions.

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Metabolic peptide medicines

Liraglutide

Established for reviewed context

An established GLP-1 medicine whose evidence belongs to specific products, indications, populations, and current labels.

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Metabolic peptide medicines

Retatrutide

Emerging for reviewed context

A triple-receptor investigational peptide with meaningful late-stage human results but no approved product or completed regulatory review.

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Growth signaling

Tesamorelin

Established for reviewed context

An approved GHRF analogue for a specific HIV-associated body-composition outcome, not a general weight-loss or anti-aging medicine.

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Growth signaling

Sermorelin

Emerging for reviewed context

A GHRH fragment with historical approvals and real hormone-release pharmacology, but no current approved product and no established anti-aging outcome evidence.

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Recovery and repair claims

TB-500

Insufficient for reviewed context

A seven-amino-acid thymosin fragment promoted for repair despite an unresolved human-outcome gap, significant product questions, and anti-doping prohibition.

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Recovery and repair claims

GHK-Cu

Emerging for reviewed context

A copper-binding tripeptide with topical and laboratory research that does not validate injectable, whole-body, or longevity claims.

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Longevity and cellular signaling

MOTS-c

Insufficient for reviewed context

A mitochondria-derived peptide with active preclinical research but no established human drug-product outcomes or adequate clinical safety record.

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Metabolic peptide medicines

AOD-9604

Insufficient for reviewed context

A modified growth-hormone fragment studied in obesity programs without an approved use and with unresolved route, product, and safety questions.

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Longevity and cellular signaling

Epitalon

Insufficient for reviewed context

A tetrapeptide promoted for sleep and longevity despite identity transfer problems and no established insomnia or lifespan outcome evidence.

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Melanocortin medicines

Bremelanotide

Established for reviewed context

An approved melanocortin medicine for a defined sexual-desire disorder, not a general sexual-performance enhancer.

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Melanocortin medicines

Afamelanotide

Established for reviewed context

An approved implant that increases pain-free light exposure in adults with EPP, not a general-purpose tanning or cosmetic peptide.

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Bone and tissue peptide medicines

Teriparatide

Established for reviewed context

An established bone-anabolic peptide medicine with fracture-prevention evidence that should not be generalized to every healing claim.

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Bone and tissue peptide medicines

Abaloparatide

Established for reviewed context

An approved bone-anabolic peptide with fracture outcome evidence in defined osteoporosis populations and product-specific safety limits.

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Gut and intestinal peptide medicines

Teduglutide

Established for reviewed context

An established GLP-2 medicine that can reduce parenteral-support needs in short bowel syndrome, with intensive product-specific monitoring.

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Coverage policy

Why the library starts small

A long list is easy. A maintained evidence system is hard. We publish a full brief only after primary sources, important limits, review date, and claim-level verdicts are ready.