Research asset / Version 2026.08.08

Peptide evidence matrix.

One comparable view of evidence maturity and status across every reviewed record. Scores describe evidence depth—not effectiveness, safety, or personal suitability.
EntityCategoryHumanPreclinicalFDA snapshotSourcesReviewed
BPC-157Recovery1/5Very limited4/5Extensive preclinicalNot FDA approved; FDA identifies important compounding safety and characterization concerns.3August 7, 2026
RetatrutideWeight & Metabolism4/5Late-stage investigational3/5Mechanism supportedInvestigational and not FDA approved; FDA states retatrutide cannot be used in compounding under federal law.3August 7, 2026
TesamorelinGrowth Hormone5/5Approved indication3/5Mechanism supportedFDA approved only to reduce excess abdominal fat in HIV-infected adults with lipodystrophy; not indicated for weight-loss management.3August 7, 2026
MOTS-cLongevity1/5Physiology only4/5Strong preclinical interestNot FDA approved; FDA reports no identified human exposure data for drug products containing MOTS-c.3August 7, 2026
TB-500Recovery1/5Very limited3/5Related preclinical workNot FDA approved; product identity and peptide-related impurities are material uncertainties.2August 7, 2026
IpamorelinGrowth Hormone2/5Early human research3/5Mechanism establishedNo FDA-approved drug product; FDA identifies significant safety and characterization concerns for compounding.2August 7, 2026
SemaglutideWeight & Metabolism5/5Large clinical program4/5Well characterizedFDA approved in specific branded products and indications; compounded products are not FDA approved.2August 7, 2026
TirzepatideWeight & Metabolism5/5Large clinical program4/5Well characterizedFDA approved in specific branded products and indications; compounded products are not FDA approved.2August 7, 2026
SermorelinGrowth Hormone2/5Historical human use3/5Mechanism establishedNo current FDA-approved drug product identified in the August 2026 source snapshot.2August 7, 2026
SS-31 / ElamipretideLongevity3/5Narrow accelerated approval4/5Extensive mitochondrial researchFDA accelerated approval as Forzinity for Barth syndrome patients weighing at least 30 kg; other uses remain unapproved.2August 7, 2026
CJC-1295Growth Hormone2/5Early human pharmacology3/5Mechanism establishedNo FDA-approved drug product.2August 7, 2026
KPVImmune / Inflammation1/5Preclinical evidence only3/5Inflammation modelsNo FDA-approved drug product; FDA reports no identified human exposure data for compounded KPV products and insufficient safety information.3August 8, 2026
GHK-CuRecovery2/5Small topical studies3/5Broad laboratory interestNo FDA-approved GHK-Cu drug product identified; FDA has listed GHK-Cu among bulk substances considered by its compounding advisory process.3August 8, 2026
Thymosin Alpha-1Immune / Inflammation3/5Substantial but mixed research4/5Established immune biologyNo FDA-approved thymosin alpha-1 drug product identified in the August 2026 source snapshot; products are used in some countries outside the United States.3August 8, 2026
Thymosin Beta-4Recovery2/5Early clinical research4/5Extensive repair biologyNo FDA-approved thymosin beta-4 drug product identified in the August 2026 source snapshot.3August 8, 2026
LL-37Immune / Inflammation1/5No established therapeutic program4/5Extensive innate-immune researchNo FDA-approved LL-37 drug product; FDA reports insufficient human safety information for compounded LL-37 products.3August 8, 2026
AOD-9604Weight & Metabolism2/5Negative development signal3/5Metabolic modelsNo FDA-approved AOD-9604 drug product; FDA identifies limited safety information and potential concerns for compounded use.3August 8, 2026
EpitalonLongevity1/5Very limited and uncertain3/5Aging-model researchNo FDA-approved Epitalon drug product; FDA enforcement records have described Epitalon products as unapproved new drugs.3August 8, 2026
SemaxCognition2/5Limited regional trials3/5Neurobiology modelsNo FDA-approved Semax drug product; FDA identifies immunogenicity and peptide-impurity concerns for compounded Semax products.3August 8, 2026
SelankCognition2/5Small regional studies3/5Neurobehavioral modelsNo FDA-approved Selank drug product; FDA identifies immunogenicity and peptide-impurity concerns for compounded Selank acetate products.3August 8, 2026
DSIPCognition1/5Very small historical studies2/5Uncertain physiologyNo FDA-approved DSIP drug product; FDA enforcement records have described DSIP products as unapproved new drugs.3August 8, 2026
PT-141 / BremelanotideSexual Health5/5Approved narrow indication4/5Established melanocortin pharmacologyBremelanotide is FDA approved as Vyleesi only for premenopausal women with acquired, generalized hypoactive sexual desire disorder; it is not indicated for men, postmenopausal women, or sexual performance enhancement.3August 8, 2026
Melanotan IIOther1/5Case reports, not efficacy trials2/5Melanocortin activityNo FDA-approved Melanotan II drug product; FDA identifies safety and immunogenicity concerns and has warned about illegal marketing.3August 8, 2026
GlutathioneOther3/5Route-specific human research4/5Established redox biologyNo FDA-approved injectable glutathione drug product identified; FDA has reported adverse events linked to contaminated compounded sterile glutathione.3August 8, 2026

Provenance: every row includes stable source IDs and original URLs in the downloadable CSV. Read the evidence methodology, browse the source library, or inspect the update log.