High-quality, carefully sourced peptides designed to support advanced research with consistent reliability and performance.
Every batch is tested through strict laboratory standards to ensure maximum purity, safety, and research-grade authenticity.
Reliable, high-purity compounds designed to deliver stable and repeatable research outcomes every time.
Simultaneously binds and activates both the GIP receptor (GIPR) and GLP-1 receptor (GLP-1R) — providing a two-channel metabolic signal that is studied for additive and synergistic effects compared to single-receptor agonists.
Studied for sending gut-to-brain fullness signals through both receptor pathways and for stimulating glucose-dependent insulin release — contributing to metabolic balance research.
Researched for increasing adiponectin levels and improving the body's response to insulin in metabolic pathway models — effects attributed to GIP receptor activation that GLP-1-only compounds do not provide.
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GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper Complex) is a naturally occurring copper-binding tripeptide studied extensively in preclinical and in vitro research models. It is primarily researched for its role in tissue repair, collagen synthesis, wound healing, gene expression modulation, hair follicle biology, and antioxidant defense pathways.
Lyophilized means the compound has been freeze-dried — water is removed under vacuum to produce a stable powder. This process significantly extends shelf life and preserves compound integrity during storage and shipping. Lyophilized peptides are the research-grade standard because they maintain purity far longer than liquid formulations.
Each batch of GHK-Cu is independently verified at ≥99% purity using HPLC (High-Performance Liquid Chromatography). Identity is further confirmed by LC-MS (Liquid Chromatography-Mass Spectrometry). A batch-specific Certificate of Analysis (COA) is available for download before purchase.
Store lyophilized GHK-Cu at −20°C upon receipt. Keep protected from light, heat, and moisture. Do not open the vial until needed for your research protocol. Under proper storage conditions, lyophilized GHK-Cu maintains compound integrity for up to 24 months.
No. Peptides Verse does not provide reconstitution, dosing, or administration guidance of any kind. All reconstitution protocols are the sole responsibility of the qualified researcher or institution receiving this compound. This product is strictly for in vitro and laboratory research use only.
Yes. A batch-specific COA is available for every vial of GHK-Cu sold by Peptides Verse. The COA includes HPLC purity data, LC-MS identity confirmation, lot number, and testing lab details. It can be downloaded directly from the product page before or after purchase.
GHK refers to the free tripeptide (Glycyl-L-Histidyl-L-Lysine) without copper. GHK-Cu is the copper-chelated form — where a Cu² ion is bound to the tripeptide. The copper-chelated form is the biologically active version studied in most published research on wound healing, collagen synthesis, and gene expression modulation.
No. GHK-Cu from Peptides Verse is strictly for in vitro research and laboratory experimentation only. It is not intended for human or animal use of any kind. By purchasing, the buyer confirms they are a qualified researcher or institution and accepts full responsibility for safe handling and use.
All orders are shipped via FedEx with temperature-appropriate packaging to protect compound integrity during transit. Packaging is discreet — plain FedEx or UPS with no product branding on the exterior. Orders placed before 2 PM EST ship same business day.
Due to the nature of research chemicals, all sales are final once a vial has been opened or the seal broken. If you receive a damaged or incorrect item, contact support@peptidesverse.com within 48 hours of delivery with your order number and photos.
What each ingredient is researched for.
Simultaneously binds and activates both the GIP receptor (GIPR) and GLP-1 receptor (GLP-1R) — providing a two-channel metabolic signal that is studied for additive and synergistic effects compared to single-receptor agonists.
Studied for sending gut-to-brain fullness signals through both receptor pathways and for stimulating glucose-dependent insulin release — contributing to metabolic balance research.
Researched for increasing adiponectin levels and improving the body's response to insulin in metabolic pathway models — effects attributed to GIP receptor activation that GLP-1-only compounds do not provide.
Molecular Weight: 4731.33 Da | Receptors: GLP-1 · GIP · GCGR | Form: Lyophilized | Purity: 99%+ HPLC
Why Researchers Choose GLP-1R
GLP-1R (Retatrutide) is a tri-agonist built on a modified GIP backbone with albumin-binding modifications that extend its half-life for weekly research protocols. It engages three key metabolic receptors:
