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RESEARCH & EDUCATION LIBRARY

A goal-organized overview of compounds commonly discussed in peptide research. Evidence quality varies widely; human clinical evidence and regulatory status are identified separately from preclinical or experimental findings.

Educational information only. Preclinical findings are not established human benefits. This library does not diagnose, prescribe, or replace advice from a licensed clinician. Investigational compounds may not be FDA-approved for human use.

Fat Loss & Metabolic Research

Semaglutide, tirzepatide, retatrutide, survodutide, mazdutide, AOD-9604, MOTS-C, cagrilintide and related metabolic compounds.

Human evidence varies by compound

Growth Hormone / Body Composition

CJC-1295, ipamorelin, tesamorelin, sermorelin, GHRP compounds, IGF-related compounds and growth-hormone research.

Clinical + investigational

Recovery & Tissue Research

BPC-157, TB-500 / thymosin-beta-4 research, GHK-Cu, KPV, ARA-290, LL-37, SS-31 and related tissue-repair research.

Many uses remain experimental

Cognition & Neuroprotection

Semax, Selank, Cerebrolysin, Cortagen, Pinealon and other compounds studied for neurological or cognitive effects.

Evidence/regulation differs by country

Longevity & Cellular Research

Epitalon, NAD+, SS-31, thymosin alpha-1 and experimental senescence/bioregulator research.

Do not equate mechanistic findings with proven longevity

Sexual Health & Reproductive Research

PT-141/bremelanotide, kisspeptin, oxytocin, gonadorelin and gonadotropin-related research.

Some are prescription therapies

Skin, Hair & Cosmetic Research

GHK-Cu, SNAP-8 and melanocortin-related compounds commonly discussed in aesthetic research.

Route and evidence matter

Immune & Inflammation Research

Thymosin alpha-1, KPV, VIP, LL-37 and other immune-signaling compounds.

Medical supervision may be required