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.


Research Use Only. Not for human consumption, medical use, diagnosis, or treatment. By purchasing, you agree to laboratory use guidelines.
RETAKLIK 40mg
Investigational triple agonist targeting GLP-1, GIP and glucagon receptors — 40mg and 60mg lyophilised pens at 99%+ purity for in vitro research use only.
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.
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.
⚠️ 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.
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.
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

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.

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.

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.

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.

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.

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.
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.
