My Reta
Retaklik 40mg research peptide pen
Lab Tested 99%+

Research Use Only. Not for human consumption, medical use, diagnosis, or treatment.

Apex Pharma · Retatrutide

Buy Retaklik 40mg UK

Retaklik 40mg is Apex Pharma's retatrutide (LY3437943) research peptide — a synthetic triple-receptor agonist for GLP-1, GIP, and glucagon pathways. Independently verified to ≥99% purity by Janoshik Analytical. Every order ships with a tamper-evident hologram and batch-specific COA.

£165Out of Stock

Strength

40mg

Compound

Retatrutide

Purity

≥99%

Format

Research Pen

Testing

Janoshik HPLC/MS

Delivery

Next Day UK

Third-Party COA

Every batch verified by Janoshik Analytical

Hologram Verified

Tamper-evident hologram + batch-code verification

Next Day UK

Royal Mail Tracked, discreet packaging

Secure Stripe PaymentUK Next Day Delivery

Janoshik Analytical Verification

All Retaklik 40mg batches are independently verified. Cross-reference your batch number with our published COA library.

View Janoshik Report →

Retaklik 40mg Research Specifications

Active CompoundRetatrutide (LY3437943)
Strength40mg per pen
Sequence FormulaC₂₂₁H₃₄₂N₅₆O₆₈S₂
Molecular Weight4,731.3 g/mol
Purity (HPLC/MS)≥99.2% verified
Storage−20°C (lyophilised), 2–8°C (reconstituted)

Also Available — The Upgraded Formula

Retaklik 2.0 45mg

Retaklik 2.0 — 45mg

The next-generation combination formula: retatrutide + cagrilintide in a single pen. Higher total dose, dual-pathway research potential.

£180
View Retaklik 2.0 — The Upgraded Formula

Retaklik 40mg — Frequently Asked Questions

What is Retaklik 40mg?

Retaklik 40mg is Apex Pharma's branded retatrutide (LY3437943) research peptide — a synthetic triple-receptor agonist acting on GLP-1, GIP, and glucagon receptors. Supplied strictly for laboratory and in vitro research use.

Is Retaklik 40mg the same as retatrutide?

Yes. Retaklik is a trade name used by Apex Pharma for retatrutide-based research peptides. The active compound is the same molecule — retatrutide.

What is the difference between Retaklik 40mg and Retaklik 2.0 45mg?

Retaklik 40mg contains retatrutide only. Retaklik 2.0 45mg combines retatrutide and cagrilintide for a higher total dose in a single pen, offering dual-pathway research potential.

How do I verify my Retaklik batch?

Every My Reta order includes a tamper-evident hologram. Check the batch code against the Janoshik Analytical report published on our COA page.

Can I buy Retaklik 40mg in the UK?

Yes. My Reta supplies Retaklik 40mg research peptides from the UK with next-day delivery. For laboratory and research use only — not for human consumption.