Semaglutide vs Tirzepatide
Semaglutide vs Tirzepatide
Semaglutide and Tirzepatide are compared here on the things that actually differ between them: what class each belongs to, what each acts on, how each is supplied and what each costs per milligram. Where the registry has no figure for one of them the row is left out rather than filled in.
Reference only. This page covers what the compound is, how it is presented and how it is handled. It does not give dosing protocols or administration schedules, and it is not medical advice.
Side by side
| Semaglutide | Tirzepatide | |
|---|---|---|
| Class | GLP-1 receptor agonist | Dual GIP/GLP-1 receptor agonist |
| Acts on | A GLP-1 analogue modified for albumin binding and resistance to DPP-4 degradation, giving a long circulating half-life relative to native GLP-1. | Agonist at both the GIP and GLP-1 receptors, a mechanism distinct from single-receptor GLP-1 agonists such as semaglutide. |
| Supplied as | Lyophilised vial or pre-filled pen. | Lyophilised vial or pre-filled pen. |
| Half-life | Approximately seven days, supporting weekly intervals. | Approximately five days in published pharmacokinetics. |
| Storage | Refrigerated. Do not freeze. | Refrigerated, protected from light. Not to be frozen. |
| Listings | 3 | 4 |
| Price from | £60 | £110 |
What actually differs
The clearest difference is class: Semaglutide is a GLP-1 receptor agonist, Tirzepatide is a dual GIP/GLP-1 receptor agonist. Half-life differs as well: Approximately seven days, supporting weekly intervals for Semaglutide against Approximately five days in published pharmacokinetics for Tirzepatide.
Stocked at The PED Shop
Quanta GLP-1 5mgin stock£60- SerenQ GLP-1 10mg Penin stock£95
VLS GLP-1 5mg Penin stock£95
Quanta Pharma Tirzepatide 30mg + Free BWin stock£110- SerenQ Tirzepatidein stock£175
Quanta Pharma Tirzepatide 60mg + Free BWin stock£185
VLS Tirzepatide Penin stock£185
Availability checked 2026-09-09. The product page carries live stock.