Sanofi, JuniorSTAR®, INSULIN PEN

JuniorSTAR insulin pen — half-unit precision research injection pen

The JuniorSTAR insulin pen is a pharmaceutical-grade reusable injection device made for Sanofi — one of the world’s leading insulin and GLP-1 manufacturers. The JuniorSTAR insulin pen is engineered for standard 3 ml cartridges and dials in fine half-unit steps, which makes it the premium choice for low-dose and micro-dosing peptide research.

Why choose the JuniorSTAR insulin pen

The JuniorSTAR insulin pen dials from 1 to 30 units in 0.5-unit increments. Half-unit steps appear as lines between the numbers, and you select each dose with a smooth, low-force click. This gives exact, repeatable delivery at very small volumes — critical for fine-titration research where every fraction of a unit counts.

Compatible cartridges

The pen accepts standard Sanofi 3 ml (300-unit) U-100 cartridges. Each cartridge supports multiple injections until empty. A mandatory safety test before each dose confirms proper function and clears air, so you get dependable, standardized delivery every time.

Available colours

• Blue — classic Sanofi signature colour

Built to last

The JuniorSTAR insulin pen is fully reusable for up to two years of use. Its durable body handles daily handling and transport with ease, and it stays lightweight and compact for easy storage.

Sold as laboratory research equipment. Not intended for personal or human therapeutic use.