- New England Journal of Medicine · 2023Triple-Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 TrialPubMed 37356066
- The Lancet · 2023Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetesPubMed 37385275
Peptides, without the theatre.
Data, without the marketing.
Omega Grade supplies analytical-grade research peptides, each lot independently tested and publicly documented. No claims. No dosing guidance. Just traceable, third-party-verified material dispatched from Europe and Asia.
Featured · Retatrutide · 40 mg penThe most scrutinised peptide in the catalogue.
Retatrutide 40 mg pen
Triple-receptor agonist — pre-filled research pen, 4 × 10 mg.
Retatrutide (LY-3437943) is an investigational once-weekly triple agonist at the GLP-1, GIP, and glucagon receptors, currently in Phase 3 (TRIUMPH programme) under Eli Lilly. The 39-amino-acid peptide carries a C20 fatty-diacid moiety that extends plasma half-life via albumin binding.
04:22:11▸lot 26-04-A received ┈ 5.00 g04:22:40▸weight check ┈ PASS ±0.4 mg04:23:12▸sample → janoshik ┈ 50 mg04:23:12▸tracking #jnk-921833405:18:03▸HPLC result ┈ 99.24 %05:18:04▸MS obs 4729.42 Da ┈ PASS05:18:05▸coa.pdf signed ┈ attached05:18:06▸lot approved ┈ LIVE
Forty research SKUs in stock.
Every entry is stocked in our UK warehouse with a current analytical certificate on file. Same-day dispatch by 09:30. Click into any record for the full specification, published studies, and lot-specific COA.

Retatrutide 40 mg pen
Triple-receptor agonist — pre-filled research pen, 4 × 10 mg.
- Form
- Pre-filled pen
- Dose
- 40 mg / 3 mL pen
- Purity
- ≥ 99.2%

Retatrutide 30 mg kit
Triple-receptor agonist — 30 mg vial, full research kit.
- Form
- Lyophilised kit
- Dose
- 30 mg / vial
- Purity
- ≥ 99.2%

Retatrutide 10 mg kit
Triple-receptor agonist — 10 mg vial, full research kit.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.2%

Cagrilintide 10 mg
Long-acting amylin analogue — GLP-1 stack partner.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 98.5%

BPC-157 + TB-500 10/10 mg kit
Paired regenerative peptides — combined kit, most-requested blend.
- Form
- Lyophilised kit
- Dose
- 10 mg BPC-157 + 10 mg TB-500 / vial
- Purity
- ≥ 99.0% (both peptides)

TB-500 10 mg
Synthetic thymosin β-4 — 43-residue actin-sequestering peptide.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.1%

BPC-157 15 mg
Pentadecapeptide — 15-residue fragment of a gastric body-protection protein.
- Form
- Lyophilised kit
- Dose
- 15 mg / vial
- Purity
- ≥ 99.4%

BPC-157 oral (60 × 500 mcg tablets)
Oral / sublingual tablet presentation — 60 tablets × 500 mcg.
- Form
- Oral tablets
- Dose
- 500 mcg / tablet (60-tablet supply)
- Purity
- ≥ 99.4% active

BPC-157 + TB-500 20/20 mg pen
High-dose pen format — 20 mg BPC-157 + 20 mg TB-500.
- Form
- Pre-filled pen
- Dose
- 20 mg BPC-157 + 20 mg TB-500 (pre-filled pen)
- Purity
- ≥ 99.0%

GHK-Cu 100 mg
Copper-bound tripeptide Gly-His-Lys.
- Form
- Lyophilised kit
- Dose
- 100 mg / vial
- Purity
- ≥ 99.6%

GHK-Cu 150 mg pen
Pre-filled copper-tripeptide pen — high-dose presentation.
- Form
- Pre-filled pen
- Dose
- 150 mg / pen
- Purity
- ≥ 99.6%

Glow Blend 70 mg
Multi-peptide dermal blend — GHK-Cu + supporting peptides.
- Form
- Lyophilised kit
- Dose
- 70 mg / vial
- Purity
- ≥ 99.0% (component-level)

Glow Blend 140 mg pen
Pre-filled dermal-blend pen — 140 mg presentation.
- Form
- Pre-filled pen
- Dose
- 140 mg / pen
- Purity
- ≥ 99.0% (component-level)

Melanotan II 10 mg
Melanocortin-receptor agonist — cyclic heptapeptide.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

Melanotan I 10 mg
Linear α-MSH analogue — MC1R-selective melanocortin agonist.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

PT-141 10 mg
Approved MC3R/MC4R agonist — cyclic heptapeptide.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

Snap-8 10 mg
Cosmetic octapeptide — argireline extension analogue.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

Ipamorelin 10 mg
Selective growth-hormone secretagogue — pentapeptide.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

CJC-1295 with DAC 5 mg
Long-acting GHRH analogue with Drug Affinity Complex.
- Form
- Lyophilised kit
- Dose
- 5 mg / vial
- Purity
- ≥ 99.0%

CJC-1295 no DAC 10 mg
Short-acting GHRH (1-29) analogue — no DAC linker.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

Tesamorelin 10 mg
Approved GHRH analogue — stabilised long-acting GRF(1-44).
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

Sermorelin 10 mg
GHRH(1-29) analogue — the minimum fragment with full GH-releasing activity.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

GHRP-6 10 mg
Non-selective ghrelin-receptor agonist — hexapeptide.
- Form
- Lyophilised kit
- Dose
- 10 mg / vial
- Purity
- ≥ 99.0%

IGF-1 LR3 1 mg
Modified IGF-1 — reduced IGFBP binding, ~83-residue analogue.
- Form
- Lyophilised kit
- Dose
- 1 mg / vial
- Purity
- ≥ 98.0%

MOTS-c 40 mg
Mitochondrial-derived 16-residue peptide — high-dose kit.
- Form
- Lyophilised kit
- Dose
- 40 mg / vial
- Purity
- ≥ 99.0%

NAD⁺ 500 mg kit
NAD⁺ coenzyme — 500 mg kit presentation.
- Form
- Lyophilised kit
- Dose
- 500 mg / vial
- Purity
- ≥ 99.0%

NAD⁺ 1000 mg pen
High-dose NAD⁺ pen — 1000 mg pre-reconstituted.
- Form
- Pre-filled pen
- Dose
- 1000 mg / pen
- Purity
- ≥ 99.0%

5-Amino-1MQ 5 mg
NNMT inhibitor — small-molecule metabolic research tool.
- Form
- Lyophilised kit
- Dose
- 5 mg / vial
- Purity
- ≥ 99.0%

AOD9604 5 mg
hGH C-terminal fragment — lipolytic research peptide.
- Form
- Lyophilised kit
- Dose
- 5 mg / vial
- Purity
- ≥ 99.0%

SLU-PP-332 5 mg
Pan-ERR agonist — small-molecule metabolic research tool.
- Form
- Lyophilised kit
- Dose
- 5 mg / vial
- Purity
- ≥ 98.0%

Semax 11 mg
ACTH-derived heptapeptide — Russian nootropic research peptide.
- Form
- Lyophilised kit
- Dose
- 11 mg / vial
- Purity
- ≥ 99.0%

Semax Nasal 10 mg
Semax in nasal-spray formulation — intranasal delivery research.
- Form
- Nasal spray
- Dose
- 10 mg active / pre-filled spray
- Purity
- ≥ 99.0%

Selank 11 mg
Tuftsin-derived heptapeptide — Russian anxiolytic research peptide.
- Form
- Lyophilised kit
- Dose
- 11 mg / vial
- Purity
- ≥ 99.0%

Selank Nasal 10 mg
Selank in nasal-spray formulation.
- Form
- Nasal spray
- Dose
- 10 mg / pre-filled spray
- Purity
- ≥ 99.0%

DSIP 15 mg
Nonapeptide isolated from cerebral venous blood.
- Form
- Lyophilised kit
- Dose
- 15 mg / vial
- Purity
- ≥ 99.0%

Methylene Blue 100 mL / 30%
Phenothiazine dye — research-grade 30% aqueous solution.
- Form
- Liquid solution
- Dose
- 100 mL of 30% w/v aqueous solution
- Purity
- ≥ 99.0%

KLOW 80 mg
Proprietary multi-peptide formulation.
- Form
- Lyophilised kit
- Dose
- 80 mg total / vial
- Purity
- ≥ 99.0% (component-level)

Extra Syringe Kit
Additional consumables — 20 insulin syringes, swabs.
- Form
- Accessory
- Dose
- N/A

Bacteriostatic water 10 mL
10 mL bacteriostatic water for injection — 0.9% benzyl alcohol.
- Form
- Accessory
- Dose
- N/A

Bacteriostatic water 3 mL
3 mL bacteriostatic water for injection.
- Form
- Accessory
- Dose
- N/A
Looking for a peptide not on the list? Custom dispatch accepted on 2–4 week lead time, subject to analytical approval.
Open correspondenceWe do not ask you to take our word
for any of this.
Every lot is sampled, dispatched to Janoshik Analytical in Slovakia, and verified by reverse-phase HPLC and electrospray mass spectrometry. Certificates publish before the lot lists for sale.
REPORT ID JA-26-04-012
SUBJECT Retatrutide
DESIGNATION LY-3437943
LOT 26-04-A
METHOD RP-HPLC, ESI-MS
COLUMN C18, 250 x 4.6 mm, 5 um
MOBILE PHASE A: 0.1% TFA in H2O
B: 0.1% TFA in ACN
GRADIENT 5 -> 65% B over 20 min
FLOW RATE 1.0 mL/min
DETECTION UV 214 nm
INJECTION 20 uL @ 0.5 mg/mL
---
PURITY (A%) 99.24
MASS EXP. 4729.40 Da
MASS OBS. 4729.42 Da
---
CONCLUSION Identity CONFIRMED · Purity PASS
SIGNED BY J. Novak, MSc · Janoshik Analytical SVK
DATE 2026-04-11Every claim on this site has a citation.
We link directly to the peer-reviewed literature for every peptide in the catalogue — NEJM, The Lancet, Cell Metabolism, Nature Communications. Clinical-trial status is stated honestly: preclinical where preclinical, Phase 3 where Phase 3, approved where approved.
- NEJM · 2023Triple-Hormone-Receptor Agonist Retatrutide for Obesity — Phase 2 TrialPubMed 37356066
- The Lancet · 2023Retatrutide in people with type 2 diabetes — Phase 2PubMed 37385275
- NEJM · 2023Triple-Hormone-Receptor Agonist Retatrutide for Obesity — Phase 2PubMed 37356066
Infrequently asked.
A short version lives here. The complete FAQ covers shipping, payment, returns, and product-specific questions.
Full FAQ- Q.Is this for human consumption?
- A.No. All material supplied by Omega Grade is for in vitro laboratory research only. Not for human or veterinary use. Not for food, cosmetic, or therapeutic application.
- Q.What comes in a kit?
- A.Every lyophilised-vial kit ships with 3 mL bacteriostatic water, 10 × 1 mL insulin syringes, and alcohol swabs. Pre-filled pens ship with alcohol swabs only. Accessories (extra bac water, syringe kits) are sold separately if you need more.
- Q.How is purity verified?
- A.Every production lot is tested by Janoshik Analytical, an independent third-party laboratory in Slovakia, using reverse-phase HPLC for purity and electrospray mass spectrometry for identity. Certificates are published on each product page.
- Q.What is the shipping posture?
- A.Omega Grade ships globally excluding the United States and comprehensively sanctioned jurisdictions. Plain packaging with no lab branding. Tracked24 Royal Mail £6.50 — order by 09:30 UK time for same-day dispatch.