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Safety

Peptide Side Effects Database

Evidence-based safety profiles for 20 peptides. Each page details common and rare adverse events with frequency data, contraindications, drug interactions, and special-population considerations — sourced from clinical trials, FDA labeling, and post-market surveillance.

Not medical advice. This information is compiled from published literature and regulatory documents for research and education. Always consult a qualified healthcare provider before starting any peptide.

AOD-9604

Lipolytic GH Fragment Activity

1 common

BPC-157

Angiogenesis & VEGF Modulation

1 common

CJC-1295

GHRH Receptor Agonism

2 common

Epithalon

Telomerase Activation

1 common

GHK-Cu

Copper-Dependent Gene Modulation

0 common

Ipamorelin

Ghrelin Receptor Agonism

1 common

Melanotan II

Non-Selective Melanocortin Agonism

7 common1 serious

MK-677

Oral Ghrelin Receptor Agonism

4 common

MOTS-c

Mitochondrial-Derived AMPK Activation

1 common

NAD+

Sirtuin & PARP Cofactor

2 common

PT-141

Melanocortin MC4R Agonism

4 common

Retatrutide

Triple GIP/GLP-1/Glucagon Agonism

5 common1 serious

Selank

Tuftsin Analog / Immune-Neuro Modulation

0 common

Semaglutide

GLP-1 Receptor Agonism

5 common1 seriousBlack Box

Semax

Melanocortin & BDNF Signaling

0 common

Sermorelin

GHRH Receptor Agonism

1 common

TB-500

Actin Sequestration & Cell Migration

1 common

Tesamorelin

GHRH Receptor Agonism

5 common

Thymosin Alpha-1

Dendritic Cell & T-Cell Activation

1 common

Tirzepatide

Dual GIP/GLP-1 Agonism

6 common1 seriousBlack Box

Medical disclaimer: PeptideMark is for educational purposes only. This is not medical advice, diagnosis, or treatment. Always verify claims against primary sources and consult a qualified healthcare provider before making any health decisions. Read full disclaimer

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