My Reta
Off Sale Permanently · Product Discontinued

We Will Not Be Selling This Product Anymore

Notice to researchers: RETAKLIK 40mg has been permanently removed from our active sales catalog and will not be returning to sale. This page is maintained strictly as an educational and scientific documentation resource.

RETAKLIK 40mg
Lab Tested 99%
RETAKLIK 40mg APEX Version

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

RETAKLIK 40mg

£165Off Sale Permanently
Off Sale Permanently · Also known as Reta

Investigational triple agonist targeting GLP-1, GIP and glucagon receptors — 40mg and 60mg lyophilised pens at 99%+ purity for in vitro research use only.

⚠️Notice: This product is permanently off sale and will not be stocked or sold anymore. For research reference and educational documentation only.
⛔ Off Sale Permanently

We will not be selling this product anymore.

Orders cannot be placed. This compound has been permanently removed from sale. This page is kept for scientific reference and documentation only.

RETAKLIK (Also known as Reta) is an investigational triple agonist targeting GLP-1, GIP and glucagon receptors — 40mg and 60mg lyophilised pens at 99%+ purity for in vitro research use only. Strictly not for human consumption or animals. Notice: This product has been permanently taken off sale and will no longer be stocked or sold by MyReta. This page is maintained for reference and educational purposes only.

Compound Profile

RETAKLIK 40mg Research Specifications

Also known as Reta · Investigational Triple Agonist

RETAKLIK 40mg represents advanced metabolic receptor research. It is a synthetic 39-amino-acid peptide engineered as an investigational triple agonist targeting GLP-1, GIP, and glucagon receptors. Designed exclusively for in vitro laboratory investigations into multi-pathway cellular signalling, insulin response pathways, and energy regulation.

CAS Registry Number2381089-83-2
PubChem CID / ChemSpider163351980 / 108849495
Receptor TargetsGLP-1R / GIPR / GCGR Triagonist
ClassificationTriple-G / Hormone Receptor Agonist
Molecular FormulaC₂₂₃H₃₄₃N₄₅O₆₈
Molecular Weight~4,731.33 g/mol
Structure DefinitionA 39-amino-acid synthetic peptide modified with a C20 diacid fatty acid moiety at position 17 (via a PEG-linker) with three unnatural amino acid residues (α-methyl-L-leucine at position 13 and α-aminoisobutyric acid at positions 2 and 20).
Verified Purity Standard≥99% Purity Verified by Janoshik Analytical HPLC

⚠️ Research Compliance Notice

Strictly for in vitro research and laboratory use only. Strictly not for human consumption, animal testing, clinical administration, or medical diagnostics.

Laboratory Storage & Handling Guidelines

Store refrigerated at 2°C to 8°C protected from light. Keep sealed in original container until testing. Do not freeze. Dispatched in temperature-insulated cold-pack packaging with Royal Mail Tracked 24 across the UK.

Triple Tested

HPLC & MS verified for consistent potency thresholds.

Priority Post

Discreet Next Day Delivery on all research orders.

Off Sale Permanently

We Will Not Be Selling This Product Anymore

This research compound is permanently discontinued. Orders cannot be placed. Explore our catalog for active in-stock research compounds.

Browse Active Catalog →
Official APEX Partner Live Verification

Each research unit features an authentic tamper-evident holographic seal with a unique scratch-to-reveal security code. Enter your code at apexpharma.io/verify to confirm instant product authenticity and view the live Certificate of Analysis for your exact batch.

Latest Retatrutide & Retaklik Research Articles

Categories: Retatrutide • Retaklik • Reta

View All News →
Retatrutide TRIUMPH Results: Phase 3 Weight-Loss & Diabetes Data (2026)
15 July 2026•7 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.

Read Full Article →
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 2026•15 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.

Read Full Article →
Retatrutide 40mg Pen UK hero image showing a branded research pen, product box, COA certificate, and UK medical research visuals.
22 June 2026•17 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.

Read Full Article →
How to Reconstitute Retatrutide: Step-by-Step UK Guide (2026)
22 June 2026•6 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.

Read Full Article →
Retatrutide Weight Loss Results: What the Clinical Trials Actually Show (2026)
22 June 2026•7 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 2026•6 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.

Read Full Article →
Off Sale Notice

Looking for Active Laboratory Research Peptides?

While Retaklik products are permanently off sale, MyReta continues to supply independently tested, verifiable compounds including KLIKJARO 60mg, Wolverine Stack, KLIK NAD+, and BPC-157.