# Bergdorf Bioscience > Research peptides, product specifications and independently verifiable published laboratory reports. Bergdorf Bioscience (also BergdorfBio) supplies peptides for research use. This document contains the complete product catalog for the English EU storefront. - Website: https://bergdorfbio.com - Contact: info@bergdorfservice.com - Supported locales: en, de, it, es, fr, nl, pt, pt-br, pl, sv, da, el, cs, fi, ro, hu, sk, tr, nb, bg, hr ## Catalog Scope - Complete product catalog: English / EU (https://bergdorfbio.com/en/eu/products) - English / US navigation: https://bergdorfbio.com/en/us/ - Spanish / US navigation: https://bergdorfbio.com/es/us/ ## Key Pages - [Homepage](https://bergdorfbio.com/en/eu/) - [All Products](https://bergdorfbio.com/en/eu/products) - [Guides](https://bergdorfbio.com/en/eu/guides) - [Peptide Calculator](https://bergdorfbio.com/en/eu/peptide-calculator) - reconstitution and concentration calculations - [Stack Builder](https://bergdorfbio.com/en/eu/stack-builder) - explore peptide combinations - [Peptide Encyclopedia](https://bergdorfbio.com/en/eu/peptides) - peptide profiles and research references - [Shipping policy](https://bergdorfbio.com/en/eu/shipping) - [Support and contact](https://bergdorfbio.com/en/eu/contact) Product pages are the primary source for current variants, channel-specific prices, availability, specifications, and any published Certificate of Analysis. Checkout confirms the final price and stock. Policies and support pages take precedence for shipping and service questions. ## Published Laboratory Evidence - [Retatrutide 10 mg — Janoshik report 147356](https://verify.janoshik.com/tests/147356_S15GPICWV71H): reported sample purity 99.588%. [Product details](https://bergdorfbio.com/en/eu/products/retatrutide). Each result describes the sample identified in that report. It does not establish testing of every variant or batch; check the report and product page for the applicable identity and scope. ## Products by Category ### Weight Management Category: [Weight Management](https://bergdorfbio.com/en/eu/categories/weight-management) - [5\-Amino\-1MQ 10 mg](https://bergdorfbio.com/en/eu/products/5-amino-1mq) - [Cagrilintide 5 mg](https://bergdorfbio.com/en/eu/products/cagrilintide) - [Retatrutide](https://bergdorfbio.com/en/eu/products/retatrutide) - [Survodutide 10 mg](https://bergdorfbio.com/en/eu/products/survodutide) - [Tirazeptid 60mg](https://bergdorfbio.com/en/eu/products/tirzepatid) ### Skin Category: [Skin](https://bergdorfbio.com/en/eu/categories/skin) - [AHK\-Cu 100 mg](https://bergdorfbio.com/en/eu/products/ahk-cu) - [GHK\-Cu](https://bergdorfbio.com/en/eu/products/ghk-cu) - [Melanotan I \(MT\-1\) 10 mg](https://bergdorfbio.com/en/eu/products/melanotan-1) - [Melanotan II 10mg](https://bergdorfbio.com/en/eu/products/mt-2) ### BAC\-Water Category: [BAC\-Water](https://bergdorfbio.com/en/eu/categories/bac-water) - [Bacteriostatic Water 10ml](https://bergdorfbio.com/en/eu/products/bac-water-10ml) ### Recovery Category: [Recovery](https://bergdorfbio.com/en/eu/categories/recovery) - [BPC\-157](https://bergdorfbio.com/en/eu/products/bpc-157) - [KLOW Stack](https://bergdorfbio.com/en/eu/products/klow-stack) - [KPV](https://bergdorfbio.com/en/eu/products/kpv) - [TB\-500](https://bergdorfbio.com/en/eu/products/tb-500) - [TB\-500 \+ BPC\-157 Blend \(10mg/10mg\)](https://bergdorfbio.com/en/eu/products/tb500-bpc157-blend) - [Thymosin Alpha\-1](https://bergdorfbio.com/en/eu/products/thymosin-alpha-1) ### Growth Hormone Category: [Growth Hormone](https://bergdorfbio.com/en/eu/categories/growth-hormone) - [CJC\-1295 \(No DAC\)](https://bergdorfbio.com/en/eu/products/cjc-1295) - [CJC\-1295/Ipamorelin Blend \(No DAC/5mg/5mg\)](https://bergdorfbio.com/en/eu/products/cjc-ipa-blend) - [Ipamorelin](https://bergdorfbio.com/en/eu/products/ipamorelin) - [Sermorelin Acetate 5 mg](https://bergdorfbio.com/en/eu/products/sermorelin) - [Tesamorelin](https://bergdorfbio.com/en/eu/products/tesamorelin) ### Cognition Category: [Cognition](https://bergdorfbio.com/en/eu/categories/cognition) - [DSIP Peptide 10 mg](https://bergdorfbio.com/en/eu/products/dsip) - [Pinealon 10 mg](https://bergdorfbio.com/en/eu/products/pinealon) - [Selank](https://bergdorfbio.com/en/eu/products/selank) - [Semax](https://bergdorfbio.com/en/eu/products/semax) ### Anti\-Aging Category: [Anti\-Aging](https://bergdorfbio.com/en/eu/categories/anti-aging) - [Epithalon](https://bergdorfbio.com/en/eu/products/epithalon) - [Glow Stack \(GHK\-Cu 50mg, TB\-500 10mg, BPC\-157 10mg\)](https://bergdorfbio.com/en/eu/products/glow-stack) - [MOTS\-c 10mg](https://bergdorfbio.com/en/eu/products/mots-c) - [NAD\+ 1000mg](https://bergdorfbio.com/en/eu/products/nad-plus) - [SS\-31 \(Elamipretide\)](https://bergdorfbio.com/en/eu/products/ss-31) ### Hormonal Category: [Hormonal](https://bergdorfbio.com/en/eu/categories/hormonal) - [PT\-141 10 mg](https://bergdorfbio.com/en/eu/products/pt-141) - [VIP 10 mg](https://bergdorfbio.com/en/eu/products/vip) ## Collections - [Peptides](https://bergdorfbio.com/en/eu/collections/peptides) ## Guides & Knowledge Base - [VIP Peptide: Receptors, Signaling and Research](https://bergdorfbio.com/en/eu/guides/vip-peptid-leitfaden) - [PT\-141 \(Bremelanotide\): Research, Evidence, and Context](https://bergdorfbio.com/en/eu/guides/pt-141-leitfaden) - [Tirzepatide: Effects and Dosing in Research](https://bergdorfbio.com/en/eu/guides/tirzepatid-leitfaden) - [SS\-31 \(Elamipretide\): How a Peptide Targets the Mitochondria](https://bergdorfbio.com/en/eu/guides/ss-31-leitfaden) - [Peptides for Weight Loss: GLP\-1, GIP, and Amylin in Research Comparison](https://bergdorfbio.com/en/eu/guides/peptide-zum-abnehmen-leitfaden) - [Peptide Side Effects: What the Research Literature Reports](https://bergdorfbio.com/en/eu/guides/peptide-nebenwirkungen-leitfaden) - [Oral GLP\-1 Pill vs Injection: Orforglipron and Injectable Research Peptides Compared](https://bergdorfbio.com/en/eu/guides/orforglipron-vs-injizierbare-peptide) - [Longevity Peptide Stack: Peptides for Anti\-Aging and Longevity in Research](https://bergdorfbio.com/en/eu/guides/peptide-anti-aging-leitfaden) - [Copper Peptides for Skin and Hair: GHK\-Cu and AHK\-Cu in Research](https://bergdorfbio.com/en/eu/guides/kupferpeptide-haut-haar-leitfaden) - [Ipamorelin: Effects and Dosing of the Selective GHRP in Research](https://bergdorfbio.com/en/eu/guides/ipamorelin-leitfaden) - [Epithalon Effects: Telomerase and Longevity Research Explained](https://bergdorfbio.com/en/eu/guides/epithalon-leitfaden) - [The Best Peptides for Regeneration and Tissue Research at a Glance](https://bergdorfbio.com/en/eu/guides/peptide-regeneration-leitfaden) - [Cagrilintide: Weight\-Loss Action and the Amylin Analogue in Obesity Research](https://bergdorfbio.com/en/eu/guides/cagrilintide-leitfaden) - [CJC\-1295 & Ipamorelin Blend Dosing: GH Release, Ratio and Timing](https://bergdorfbio.com/en/eu/guides/cjc-1295-ipamorelin-blend-leitfaden) - [Thymosin Alpha\-1: The Thymic Immune Peptide in Research Overview](https://bergdorfbio.com/en/eu/guides/thymosin-alpha-1-leitfaden) - [KPV \(Lys\-Pro\-Val\): Research Guide to the Anti\-Inflammatory alpha\-MSH Tripeptide](https://bergdorfbio.com/en/eu/guides/kpv-leitfaden) - [KLOW Stack: GHK\-Cu, TB\-500, BPC\-157 and KPV in a Research Blend](https://bergdorfbio.com/en/eu/guides/klow-stack-leitfaden) - [CJC\-1295 \(No DAC\) in Research Overview: Modified GRF \(1\-29\), Mechanism, Half\-Life and Differentiation](https://bergdorfbio.com/en/eu/guides/cjc-1295-leitfaden) - [NAD\+: A Coenzyme in Cellular Metabolism \- Research Guide](https://bergdorfbio.com/en/eu/guides/nad-plus-leitfaden) - [Tesamorelin: A GHRH Analogue Research Monograph](https://bergdorfbio.com/en/eu/guides/tesamorelin-leitfaden) - [MOTS\-c: Mitochondrial Peptide in Research Focus](https://bergdorfbio.com/en/eu/guides/mots-c-leitfaden) - [TB\-500 \(Thymosin Beta\-4\): A Scientific Guide](https://bergdorfbio.com/en/eu/guides/tb-500-leitfaden) - [How to Calculate Peptide Dosage: mg, mcg and Insulin Units](https://bergdorfbio.com/en/eu/guides/peptid-dosierung-berechnen) - [Subcutaneous Injection: Technique in the Research Lab](https://bergdorfbio.com/en/eu/guides/subkutane-injektion-anleitung) - [Storing Peptides and Shelf Life: The Complete Guide](https://bergdorfbio.com/en/eu/guides/peptide-lagern-haltbarkeit) - [Combining and Stacking Peptides: Foundations in a Research Context](https://bergdorfbio.com/en/eu/guides/peptide-stacken-grundlagen) - [Understanding Peptide Half\-Life: t1/2, Steady State and Accumulation](https://bergdorfbio.com/en/eu/guides/peptide-halbwertszeit-verstehen) - [Reading HPLC Purity and a Peptide CoA Correctly](https://bergdorfbio.com/en/eu/guides/hplc-reinheit-coa-peptide) - [Bacteriostatic Water: The Standard Solvent for Research Peptides](https://bergdorfbio.com/en/eu/guides/bakteriostatisches-wasser) - [How to Reconstitute Peptides: A Step\-by\-Step Guide](https://bergdorfbio.com/en/eu/guides/peptide-rekonstituieren-anleitung) - [Semax Guide: Effects, Dosing, and Research on the Nootropic Neuropeptide](https://bergdorfbio.com/en/eu/guides/semax-leitfaden) - [Melanotan II Guide: Mechanism of Action, Dosage, and Research Status](https://bergdorfbio.com/en/eu/guides/melanotan-ii-leitfaden) - [How to Get Retatrutide: Buy Research Peptide in High Purity](https://bergdorfbio.com/en/eu/guides/retatrutide-kaufen) - [GHK\-Cu Guide: Copper Peptide in Research](https://bergdorfbio.com/en/eu/guides/ghk-cu-leitfaden) - [Glow Stack Peptide: Comprehensive Research Guide on Dosage, Effects and Application](https://bergdorfbio.com/en/eu/guides/glow-stack-peptide-dosierung-leitfaden) - [Tirzepatide Dosage and Administration: The Comprehensive Research Guide](https://bergdorfbio.com/en/eu/guides/tirzepatid-dosierung-einnahme-leitfaden) - [BPC\-157: The Complete Research Guide](https://bergdorfbio.com/en/eu/guides/bpc-157-leitfaden) - [Retatrutide: What the Research Shows](https://bergdorfbio.com/en/eu/guides/retatrutide-leitfaden) - [What Are Peptides? An Introductory Guide](https://bergdorfbio.com/en/eu/guides/was-sind-peptide) ## Machine-Readable Resources - [API catalog](https://bergdorfbio.com/.well-known/api-catalog) - discover existing public services - [Public API documentation](https://bergdorfbio.com/api-docs.txt) - parameters, limitations and consent requirements - [Crawler preferences](https://bergdorfbio.com/robots.txt) - search and AI input allowed; model training disallowed - [OpenAPI specification](https://bergdorfbio.com/openapi.json) - limited public REST interface - [XML sitemap](https://bergdorfbio.com/sitemap.xml) - indexable storefront pages - [English research-guide feed](https://bergdorfbio.com/feed.xml) - published English guide entries Content may be cited with attribution to bergdorfbio.com. Product information is for research purposes only.