Peptides.gg Discount Code: PROFPEPTIDE — Save 15%
Use coupon code PROFPEPTIDE at Peptides.gg to save 15% on your order. Prof. Peptide verifies this code directly with the vendor and updates it when it changes.
Key facts
- Price comparison
- 39 of 89 comparable products cost less than the median for the same product and size across every vendor Prof. Peptide tracks — before the code
- Catalog
- 122 products at the 2026-10-16 pull · 89 in Prof. Peptide’s price comparison, 89 of those in stock (a further 8 priced here with too few other vendors to compare against)
- Third-party testing
- Freedom Diagnostics
- Certificates of analysis
- A certificate published per product as an image on the vendor’s own domain, surfaced from the product listing
- Prof. Peptide’s discount
- 15% off with code PROFPEPTIDE
- Code checked
- Prof. Peptide confirmed this rate on October 13, 2026.
Compare Peptides.gg’s prices: SNAP-8, PT-141, Selank, Cortagen, Cardiogen, Pinealon, Semax, 5-Amino-1MQ
The Peptides.gg coupon code, discount code and promo code are all the same string — PROFPEPTIDE — whether you searched for a peptidesgg coupon or a Peptides.gg promo code. Prof. Peptide maintains it directly with the vendor.
Peptides.gg is a US-made research peptide supplier with a deep catalog of 90+ products available as vials, ready-to-use liquids, and capsules — covering GLP/metabolic, growth hormone, recovery, longevity and bioregulator, and nootropic research categories. Orders ship the same day, shipping is free on orders over $200, and every order earns 5% back in store credit. Researchers running ongoing protocols can save an additional 15% through the Subscription Saver. Peptides.gg states that unopened products can be returned within 14 days of delivery, and support is available by chat, phone, and email. Popular compounds by research area:
- Metabolic & GLP-1
- Retatrutide, Tirzepatide, Semaglutide, Cagrilintide, CagriSema, MOTS-c, AOD-9604, 5-Amino-1MQ
- Recovery & Tissue Repair
- BPC-157, TB-500, a blend of BPC-157 and TB-500
- Performance & Energy
- IGF-1 LR3
- Growth Hormone
- CJC-1295, Ipamorelin, GH Stack, a blend of Tesamorelin and Ipamorelin, Sermorelin, Tesamorelin
- Skin Health & Anti-Aging
- GHK-Cu, Melanotan II, Melanotan I, GLOW, KLOW
- Gut Health & Immunity
- KPV, Thymosin Alpha-1, VIP
- Sleep & Recovery
- DSIP
- Sexual Health
- PT-141
Every batch is third-party tested by Freedom Diagnostics, with published COAs where each sample ID links directly to its full lab report — so you can verify the exact lot you receive rather than a generic reference document. The certificates confirm identity by mass spectrometry and purity by HPLC-UV, and each is individually verifiable by its search code at FreedomDiagnosticsTesting.com. Purity runs 98–99%+ depending on the product. The catalog spans GLP/metabolic compounds (Retatrutide, Semaglutide, Tirzepatide, Cagrilintide, Mazdutide, Survodutide, Orforglipron), growth-hormone secretagogues (CJC-1295, Ipamorelin, Sermorelin, Tesamorelin, IGF-1 LR3), recovery peptides (BPC-157, TB-500, GHK-Cu, KPV, plus KLOW and GLOW blends), longevity and bioregulators (Epitalon and a deep Khavinson bioregulator line), and nootropics (Semax, Selank, Noopept). As of 14 October 2026, Peptides.gg's certificates couldn't be checked at the lab's own records.
Peptides.gg catalog & prices
Struck-through prices are Peptides.gg’s list price; the bold figure is your price after the 15% code. Prices current as of October 16, 2026.
Prof. Peptide checked Trustpilot and Finnrick on 30 September 2026.
Similar vendors
Prof. Peptide matched Peptides.gg's certificates of analysis against the laboratory's own records at Freedom Diagnostics.
Prof. Peptide Verification
Verified · 19 October 2026
We identified the lab, matched the certificates on its own website, and read every test result.
Lab identified
PassedFreedom Diagnostics
Certificates verified
Passed4 of 4 matched on Freedom Diagnostics’ own website.
The four certificates were tested on 31 March 2026.
BPC-157 10mg · lot Black Cap
Freedom Diagnostics · tested 31 March 2026 · certificate Pept2603300141
- BPC-157 — 99.175%
- Net Peptide Content — 13.02 mg
- Identity — BPC-157
- Appearance — White Lyophilized Powder
Klow 80mg · lot Pink Cap/Bronze Crimp
Freedom Diagnostics · tested 31 March 2026 · certificate Pept2603300151
- GHK-Cu/KPV/BPC-157/Thymosin Beta-4 — 99.546%
- Net Peptide Content — GHK-Cu – 59.86 mg; KPV – 13.26 mg; BPC-157 – 11.22 mg; Thymosin Beta-4 – 10.63 mg
- Identity — GHK-Cu/KPV/BPC-157/Thymosin Beta-4
- Appearance — Blue Lyophilized Powder
TB-500 10mg · lot Red Clear Cap/Red Crimp
Freedom Diagnostics · tested 31 March 2026 · certificate Pept2603300133
- Thymosin Beta-4 — 99.063%
- Net Peptide Content — 11.88 mg
- Identity — Thymosin Beta-4
- Appearance — White Lyophilized Powder
Tesamorelin 10mg · lot Blue Clear Cap/Bronze Crimp
Freedom Diagnostics · tested 31 March 2026 · certificate Pept2603300139
- Tesamorelin — 99.103%
- Net Peptide Content — 13.91 mg
- Identity — Tesamorelin
- Appearance — White Lyophilized Powder
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Affiliate disclosure: Prof. Peptide is independently operated and may earn affiliate commissions when you use our discount codes or buy through our links, at no additional cost to you. Affiliate relationships never determine vendor inclusion, ranking, verification, or our editorial conclusions.