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AHK-Cu is a copper-binding tripeptide (Ala-His-Lys complexed with copper) studied primarily for hair growth and follicle stimulation, the copper-peptide cousin of GHK-Cu. Used in topical research formulations for hair and skin.

EPO-derived innate repair receptor agonist studied for neuropathic pain and tissue protection.

BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protein found in gastric juice. Studied extensively for tissue repair, wound healing, and anti-inflammatory effects. Popular in research for tendon, ligament, muscle, and gut healing applications.

A synthetic Khavinson tripeptide (Ala-Glu-Asp) studied in preclinical cell models for cartilage and connective-tissue gene regulation.

GHK-Cu (Copper Peptide) is a naturally occurring tripeptide with a copper ion that declines with age. Researched for wound healing, skin regeneration, anti-aging, hair growth, and collagen synthesis. Available in topical and injectable forms for research.

GHK-Cu + BPC-157 + TB-500 in one vial — the skin, hair, and recovery stack. Compare kit pricing, per-component doses, and the vendors that carry it.

GHK-Cu + KPV + BPC-157 + TB-500 — the 80mg gut-and-skin repair stack. Dosing, reconstitution math, and current kit pricing across vendors.

LL-37 is a human cathelicidin antimicrobial peptide that plays a role in innate immunity. Studied for its antimicrobial, immunomodulatory, and wound healing properties. Researched in contexts of infection, inflammation, and immune support.

An arginate-salt analog of BPC-157 marketed for tissue repair. No PDA-specific human trials exist; evidence is extrapolated from BPC-157 research.

PTD-DBM is a cell-penetrating peptide that promotes hair growth by inhibiting CXXC5, a negative regulator of the Wnt/β-catenin signaling pathway. By blocking CXXC5-Dishevelled interaction, it activates Wnt signaling which is essential for hair follicle development and cycling. Research shows it can stimulate new hair growth and increase hair follicle size. Often used topically or via microneedling for androgenetic alopecia and hair thinning.

TB-500 (Thymosin Beta-4 fragment) is a synthetic peptide that promotes tissue repair, cell migration, and angiogenesis. Researched for wound healing, flexibility, injury recovery, and reducing inflammation. Often discussed alongside BPC-157 for synergistic healing effects.

Thymosin Beta-4 (TB-4) is the full-length 43 amino acid peptide naturally found in human tissues, particularly the thymus gland. It plays a crucial role in tissue repair, wound healing, cell migration, angiogenesis, and immune regulation. More biologically complete than TB-500, it interacts with multiple pathways for superior regenerative effects. Often stacked with BPC-157 for comprehensive healing.

BPC-157 + TB-500, the classic full-body healing pairing, in a single vial. Kit pricing, dose splits, and vendor comparison.