SummerPeptides
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White pre-filled Retatrutide 30mg injection pen with cobalt base ring on warm creamCold-chain dispatch
Semaglutide 4mgSemaglutide 12mgTirzepatide 30mg
GLP-1 injection pen · ready-mixed

Retatrutide 30mg

Pre-filled pen · 99% purity

Retatrutide is a triple agonist — GLP-1, GIP and glucagon receptors — and the newest of the three molecules in this range. At 30 mg, ready-mixed and pre-filled, it runs a full protocol from one pen.

What it does

  • Triple agonist — GLP-1, GIP and glucagon receptors
  • 30 mg — a full protocol in one pen
  • The newest molecule in the weight-management category
  • Dose window confirms every click before you press
  • 99% purity, batch-tested — COA available per batch

How it's delivered

30 mg pre-filled pen. Weekly subcutaneous dosing, titrated. Ships cold-chain in an insulated pack.

Price on request
30 mg pre-filled pen · starter box included
Enquire about Retatrutide 30mg

Pricing is confirmed directly with our team.

Open white SummerPeptides starter box holding a Retatrutide 30mg pen and four needle tips
The starter box

Everything for Retatrutide 30mg,
boxed and ready.

Each pen ships in its own box, printed for that molecule and that strength — so what arrives is unmistakably the thing you ordered. Inside: the pen in a foam cradle, needles, swabs and a dosing card.

  • 1× Retatrutide 30mg pre-filled pen
  • 4× LiteTouch pen needles
  • 1× alcohol swab set
  • Printed dosing and storage card

Shipped cold-chain in an insulated pack with The Courier Guy, tracked door to door.

The rest of the pen range

White pre-filled Semaglutide 4mg injection pen with cobalt base ring on warm cream

Semaglutide 4mg

The starting strength. Ready-mixed, pre-filled, nothing to prepare.

White pre-filled Semaglutide 12mg injection pen with cobalt base ring on warm cream

Semaglutide 12mg

The maintenance strength. Fewer reorders, same simple pen.

White pre-filled Tirzepatide 30mg injection pen with cobalt base ring on warm cream

Tirzepatide 30mg

Dual-agonist. A full protocol in a single pen.

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