# PepVial > Premium research peptides and compounds for scientific research. UK-based supplier of lab-grade, independently tested peptides with purity ≥99.6%. PepVial supplies high-purity research peptides to scientists and laboratories worldwide. Every peptide is globally sourced, independently tested in a UK laboratory, and dispatched from the UK with full traceability — a certificate of analysis is supplied with every order. The primary storefront serves the United States with prices in US dollars and shipping from the UK. Regional storefronts also serve the United Kingdom, Canada, Australia and New Zealand. ## Product Categories - [Weight Loss](https://pepvial.com/us/categories/weight-loss): Research peptides studied for their roles in metabolic regulation, appetite signaling, and energy homeostasis - [Recovery](https://pepvial.com/us/categories/recovery): Products studied for tissue repair, wound healing, and musculoskeletal recovery research - [Enhancement](https://pepvial.com/us/categories/enhancement): Products studied for cellular energy, mitochondrial signalling, skin quality, and healthy-aging research - [Accessories](https://pepvial.com/us/categories/accessories): Essential supplies for peptide research including bacteriostatic water, syringes, and drawing needles ## Products - [Retatrutide Vial](https://pepvial.com/us/products/retatrutide-vial): Triple-receptor peptide (GLP-1, GIP, glucagon) in vial format - [Retatrutide Pen](https://pepvial.com/us/products/retatrutide-pen): Retatrutide in a ready-to-use pre-filled pen, multiple dosage and brand options - [Semaglutide Vial](https://pepvial.com/us/products/semaglutide-vial): GLP-1 receptor research peptide in vial format - [Semaglutide Pen](https://pepvial.com/us/products/semaglutide-pen): Semaglutide in a ready-to-use pre-filled pen - [Tirzepatide Pen](https://pepvial.com/us/products/tirzepatide-pen): Dual-receptor research peptide in a multi-dose pen - [NAD+ Vial](https://pepvial.com/us/products/nad-plus-vial): NAD+ coenzyme preparation in vial format - [NAD+ Pen](https://pepvial.com/us/products/nad-plus-pen): High-concentration NAD+ preparation in a pre-filled pen - [MOTS-c Pen](https://pepvial.com/us/products/mots-c-pen): Mitochondrial-derived peptide in a pre-filled pen - [Glow Stack Vial](https://pepvial.com/us/products/glow-vial): GHK-Cu and multi-peptide skin biology research vial - [Glow Pen](https://pepvial.com/us/products/glow-pen): Multi-peptide research blend in a pre-filled pen - [Wolverine Stack Vial](https://pepvial.com/us/products/wolverine-bpc-157-tb-500-vial): BPC-157 and TB-500 research peptides in vial format - [Wolverine (BPC / TB) Pen](https://pepvial.com/us/products/wolverine-bpc-157-tb-500-pen): Dual-peptide BPC-157 and TB-500 research blend in a pre-filled pen - [BAC Water](https://pepvial.com/us/products/bac-water): Bacteriostatic water for reconstituting lyophilized peptides - [Syringes](https://pepvial.com/us/products/syringes): Sterile vial-draw syringes for laboratory sample preparation ## Research Bundles - [Wolverine Full Stack](https://pepvial.com/us/products/wolverine-bpc-157-tb-500-vial/pepvial-full-stack): BPC-157 + TB-500 with reconstitution supplies - [Glow Full Stack](https://pepvial.com/us/products/glow-vial/pepvial-full-stack): GHK-Cu rejuvenation bundle with reconstitution supplies - [Retatrutide Full Stack](https://pepvial.com/us/products/retatrutide-vial/pepvial-full-stack): Retatrutide with reconstitution supplies ## Key Pages - [Store](https://pepvial.com/us/store) - [All Categories](https://pepvial.com/us/categories) - [About PepVial](https://pepvial.com/us/content/about) - [Customer Service](https://pepvial.com/us/customer-service) - [Privacy Policy](https://pepvial.com/us/content/privacy-policy) - [Terms of Use](https://pepvial.com/us/content/terms-of-use) ## More Information For a detailed product catalog with descriptions, see [llms-full.txt](https://pepvial.com/llms-full.txt). ## Developer Resources - [PepVial Developer Documentation](https://pepvial.com/developers): Public read-only catalog API; no authentication required; parameters, limits, error handling and examples - [PepVial OpenAPI Specification](https://pepvial.com/openapi.json): OpenAPI 3.1 with typed responses and unique operation IDs - [Public Catalog API](https://pepvial.com/api/agent/v1/products): Search products with q, limit and offset; follow product links for regional prices and availability - [MCP Connection Configuration](https://pepvial.com/mcp.json): Example client configuration; Streamable HTTP endpoint is https://pepvial.com/mcp Public pages, including the homepage, support Accept: text/markdown. Missing pages retain HTTP 404 with Markdown discovery links. Products are for laboratory research only, not human consumption.