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Our Peptides
≥99% purity, third-party tested, COA included

BPC-157
BPC-157 is a 15-amino acid synthetic peptide derived from human gastric juice, widely studied for its role in tissue repair and cytoprotection. Supplied at ≥98% purity (HPLC-verified), with Certificate of Analysis for every batch. Key research areas: Gastrointestinal cytoprotection and mucosal tissue repair Tendon, ligament, and soft tissue repair Angiogenesis and wound tissue repair For research purposes only. Not for human consumption.

TB-500
TB-500 is a synthetic 43-amino acid peptide fragment of Thymosin Beta-4, extensively studied for its role in wound healing and tissue regeneration. Supplied at ≥98% purity (HPLC-verified), with Certificate of Analysis for every batch. Key research areas: Wound healing and tissue regeneration Anti-inflammatory signaling pathways Cardiac tissue repair and remodeling For research purposes only. Not for human consumption.

GHK-Cu
GHK-Cu is a naturally occurring copper-binding tripeptide (Glycyl-L-histidyl-L-lysine copper complex) studied extensively for wound healing and tissue remodeling research. Concentration declines with age, making it a key compound in regenerative biology. Supplied at ≥98% purity (HPLC-verified), with Certificate of Analysis for every batch. Key research areas: Wound healing and tissue remodeling pathways Collagen and decorin synthesis stimulation Gene expression modulation (over 4,000 genes identified) For research purposes only. Not for human consumption.

Semaglutide
Semaglutide is a 31-amino acid GLP-1 receptor agonist peptide widely studied for metabolic and glucose homeostasis research. Features a C-18 fatty acid chain extending half-life through albumin binding. Supplied at ≥98% purity (HPLC-verified), with Certificate of Analysis for every batch. Key research areas: Glucose homeostasis and insulin secretion pathways Appetite regulation and energy balance mechanisms Cardiovascular outcome modeling For research purposes only. Not for human consumption.

Tirzepatide
Tirzepatide is a 39-amino acid dual GIP/GLP-1 receptor agonist peptide studied for metabolic and glucose regulation research. Features a C-20 fatty diacid moiety enabling extended pharmacokinetic profile. Supplied at ≥98% purity (HPLC-verified), with Certificate of Analysis for every batch. Key research areas: Dual incretin receptor signaling and glucose-dependent insulin secretion Insulin sensitivity and metabolic homeostasis Body weight regulation and energy balance For research purposes only. Not for human consumption.

Retatrutide
Retatrutide is a novel triple-agonist peptide targeting GIP, GLP-1, and glucagon receptors simultaneously. This multi-receptor approach has generated significant research interest in metabolic studies. Triple hormone receptor agonism (GIP/GLP-1/Glucagon) Metabolic pathway modulation research Energy homeostasis and body composition studies For research purposes only.

Epitalon
Epitalon is a 4-amino acid synthetic tetrapeptide (Ala-Glu-Asp-Gly) studied for telomerase activation and telomere biology research. Derived from pineal gland epithalamin. Supplied at ≥98% purity (HPLC-verified), with Certificate of Analysis for every batch. Key research areas: Telomerase reactivation and telomere elongation in somatic cells Pineal gland neuroendocrine function and melatonin regulation Cellular aging and geroprotective mechanisms For research purposes only. Not for human consumption.

Selank
Selank is a synthetic heptapeptide derived from the endogenous immunomodulatory peptide tuftsin. It has been extensively studied for its anxiolytic-like properties and effects on neuropeptide expression in research models. Tuftsin-derived anxiolytic peptide analog Enkephalin metabolism and neuropeptide studies Immune modulation and cognitive function research For research purposes only.

Semax
Semax is a synthetic heptapeptide analog of the adrenocorticotropic hormone fragment ACTH(4-7). It has been studied extensively for its neuroprotective and nootropic properties in various experimental models. ACTH(4-7) analog with enhanced stability Neuroprotection and neurotrophic factor expression Cognitive function and memory research For research purposes only.

CJC-1295 DAC
CJC-1295 DAC is a modified growth hormone-releasing hormone (GHRH) analog consisting of the first 29 amino acids of GHRH conjugated to a compound Affinity Complex (DAC) for extended half-life. Widely studied in growth hormone axis research. Modified GHRH(1-29) with DAC conjugation GH and IGF-I axis stimulation research Pulsatile growth hormone secretion studies For research purposes only.

Ipamorelin
Ipamorelin is a synthetic pentapeptide growth hormone secretagogue that selectively activates the ghrelin/GHS receptor. It is recognized for its high selectivity in stimulating growth hormone release without significantly affecting other pituitary hormones. Selective GH secretagogue (ghrelin receptor agonist) Growth hormone pulsatility research Gastrointestinal motility studies For research purposes only.
10mgBPC-157+TB-500 10mg
Synergistic blend combining BPC-157 (VEGFR2/NO/FAK pathways) and TB-500 (actin regulation/progenitor cell mobilization) for multi-pathway tissue repair research. ≥98% purity per component. For laboratory research use only.
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Why CertaPeptides?
Published COAs, independent lab testing, EU-wide shipping
HPLC & MS Verified
Every batch tested by third-party labs using HPLC and mass spectrometry.
COA Transparency
Latest: Anti-Aging Research Stack — 98.6% purity. 40+ certificates published.
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EU-wide shipping from €4.99. Delivery across 27 EU member states.
Research Grade
≥99% purity guaranteed on every product. Full analytical data published on our COA page.
Research & Guides
Latest articles from our team

Research
How to Read a Peptide COA: HPLC, Mass Spec, and Purity Explained
March 25, 2026

Research
Retatrutide Phase 3 Results: TRIUMPH-4 Trial Shows 23.7% Weight Loss in Triple Agonist Research
Eli Lilly TRIUMPH-4 Phase 3 data shows retatrutide achieved -23.7% body weight loss at 12mg dose plus 75.8% osteoarthritis pain reduction. Full clinical data an
March 24, 2026

Research
FDA Peptide Reclassification 2026: 14 Peptides Unbanned — What European Researchers Need to Know
HHS Secretary RFK Jr. restored 14 research peptides to legal compounding access in February 2026. Understand the regulatory shift and its impact on European pep
March 24, 2026