My Reta
Retatrutide (RETAKLIK) 40mg
Lab Tested 99%
Retatrutide 40mg APEX Version

Research Use Only. Not for human consumption, medical use, diagnosis, or treatment. By purchasing, you agree to laboratory use guidelines.

Buy Retatrutide UK (LY3437943)

£165In Stock
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RETAKLIK is a synthetic triple receptor agonist targeting GLP-1, GIP, and glucagon receptor pathways, designed exclusively for in vitro and in vivo laboratory research applications for studying metabolic regulation and receptor signalling in controlled settings. Supplied as 10mg/0.6mL, 40mg total per vial. All products are for research purposes only. Not for human consumption, medical use, diagnosis, or treatment.

Retatrutide Research Specifications

Retatrutide (development code LY3437943) represents the cutting edge of metabolic research. It is a synthetic single peptide chain consisting of 39 amino acids, modified to act as a triple receptor agonist. By targeting the glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon receptors (GCGR), Retatrutide offers researchers a unique tool for investigating multi-pathway metabolic regulation, insulin response, and adipose tissue dynamics.

Sequence formulaC₂₂₁H₃₄₂N₅₆O₆₈S₂
Molecular weight4,731.3 g/mol
Target Purity threshold99.2% verified by HPLC / MS

Laboratory Storage & Reconstitution Guidelines

For optimal compound stability, store lyophilised Retatrutide powder in a laboratory freezer at -20°C (or below) for long-term storage of up to 24 months. For active research phases, reconstitute using sterile Bacteriostatic Water (0.9% benzyl alcohol). Once reconstituted, the solution must be stored in standard refrigeration at 2°C to 8°C and used within 30 days to avoid peptide degradation. Avoid agitation, shaking, or direct sunlight during mixing.

UK Research Shipping Protocols

All research peptides are shipped in secure, temperature-insulated, and discreet packaging from our UK-based facility. Orders placed before 1:00 PM GMT (Monday to Friday) are processed for Next-Day Royal Mail Tracked delivery wide-UK, ensuring minimum transit duration to protect peptide structure integrity.

Triple Tested

HPLC & MS verified for consistent potency thresholds.

Priority Post

Discreet Next Day Delivery on all research orders.

Secure Stripe PaymentUK Internal Shipping
Analytical Verification & COA Reports

All batches are independently verified for purity and sterility by Janoshik Analytical and TrustPointe Analytics. View published lab reports below:

Latest Retatrutide & Retaklik Research Articles

Categories: Retatrutide • Retaklik • Reta

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Retatrutide TRIUMPH Results: Phase 3 Weight-Loss & Diabetes Data (2026)
15 July 20267 min read

Retatrutide TRIUMPH Results: Phase 3 Weight-Loss & Diabetes Data (2026)

Retatrutide’s 2026 Phase 3 data explained simply: TRIUMPH-1 delivered 28.3% mean weight loss at 80 weeks (45.3% lost 30%+), TRANSCEND-T2D-1 cut HbA1c up to 1.94%, plus knee and sleep-apnoea results. Still investigational — research use only.

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How to Inject Retaklik and Retatrutide: comparison of injection pens vs vials for research use, featuring MyReta Medical Research Peptides branding and peptide administration guide.
3 July 202615 min read

How to Inject Retaklik / Retatrutide: The No-Mess UK Guide (Pens vs Vials)

Retaklik pen vs retatrutide vial: a plain-English, occasionally funny UK guide to how injecting actually works, why pens skip the mess of reconstitution, and how standard Retaklik compares to Retaklik 2.0.

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Retatrutide 40mg Pen UK hero image showing a branded research pen, product box, COA certificate, and UK medical research visuals.
22 June 202617 min read

Retatrutide 40mg Pen UK: Doses, Pen Guide, Price & COA (2026)

What a retatrutide 40mg pen really is, what the 40mg buys you, how many doses it holds, how long it lasts, pen vs vial, a fair UK price, and how to check yours is genuine with a batch COA, hologram and unique batch code. Research use only.

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How to Reconstitute Retatrutide: Step-by-Step UK Guide (2026)
22 June 20266 min read

How to Reconstitute Retatrutide: Step-by-Step UK Guide (2026)

A clear, step-by-step UK guide to reconstituting retatrutide for research: what you need, the exact mixing order, the swirl-don’t-shake rule, storage stability, troubleshooting, and a free calculator to do the maths. Research use only.

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Retatrutide Weight Loss Results: What the Clinical Trials Actually Show (2026)
22 June 20267 min read

Retatrutide Weight Loss Results: What the Clinical Trials Actually Show (2026)

Retatrutide produced up to 24.2% mean weight loss in Eli Lilly’s Phase 2 trial — and it hadn’t plateaued. Here’s exactly what the clinical data shows, how it compares to semaglutide and tirzepatide, and the UK research context.

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Retaklik vs Retatrutide: Are They the Same Thing? (UK Guide 2026)
14 June 20266 min read

Retaklik vs Retatrutide: Are They the Same Thing? (UK Guide 2026)

Retaklik and retatrutide get used interchangeably, but they’re not the same word — and Retaklik 2.0 isn’t even pure retatrutide. Here’s the plain-English UK explainer on what each term means and what to check before you buy.

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