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Lyophilised vial or pre-filled pen

The two presentations, what each changes, and which listings are which.

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.
Lyophilised vialPre-filled pen
What arrivesA sealed vial of powderA pen already in solution
PreparationHas to be brought into solution firstNothing to prepare
GraduationMeasured in the syringeDial units on the pen body
Shelf lifeLongest before openingShorter window once in use
Listings here4846

Why this decides a price comparison

Two listings at the same headline price are not comparable if one is a vial and the other a pen. Check which a listing is before comparing it against anything else.

Stocked at The PED Shop

Availability checked 2026-09-08. The product page carries live stock.

Brands stockedQUANTASerenQ