GHK
moderateA naturally occurring tripeptide with broad regenerative effects on skin, hair, and tissue remodeling — the non-copper-bound form of the GHK family.
Overview
GHK (glycyl-L-histidyl-L-lysine) is a naturally occurring tripeptide first isolated from human plasma in the 1970s by Dr. Loren Pickart. It is found in blood, saliva, and urine, with plasma levels declining significantly with age — from ~200 ng/mL at age 20 to ~80 ng/mL by age 60.
While GHK-Cu (the copper-bound form) is more widely known, free GHK itself has potent biological activity. It acts as a signaling molecule that can reset gene expression of multiple pathways involved in tissue repair, anti-inflammatory responses, and antioxidant defense. Studies show it can upregulate collagen synthesis, attract immune cells to injury sites, stimulate hair follicle growth, and promote wound healing. It is used topically in skincare and via injection for systemic anti-aging protocols.
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Benefits
- ✓Stimulates collagen and elastin synthesis
- ✓Promotes wound healing and tissue remodeling
- ✓Anti-inflammatory gene modulation
- ✓Supports hair follicle growth
- ✓Antioxidant and DNA repair signaling
- ✓Potential anti-anxiety effects via gene modulation
Side Effects
- ⚠Generally very well-tolerated
- ⚠Mild injection site irritation
- ⚠Rare skin sensitivity with topical use
- ⚠Limited data on long-term systemic use
- ⚠Theoretical concern about promoting growth in existing tumors
Where to Source GHK
Quality and purity matter with peptides. Only buy from suppliers that provide third-party Certificate of Analysis (COA) testing. Compare verified sources below:
Ascension Peptides
Third-party tested, US-based peptide supplier with COAs on every batch.
Quick Comparison Guide
🔍 Buying Tips for GHK
- • Always request Certificate of Analysis (COA) before purchasing
- • Verify the supplier's testing methodology and third-party lab credentials
- • Look for proper cold storage and shipping practices
- • Start with smaller quantities to test supplier quality
- • Join peptide communities for supplier reviews and experiences
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⚠ Research Disclaimer: This information is for educational purposes only and is not medical advice. Consult a qualified healthcare professional before using GHK or any peptide. See our full medical disclaimer.
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