Pen needle guides

Plain-English answers about pen needle sizes, injection comfort, travel, storage and which needles fit your pen.

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NovoFine Plus 32G 4mm pen needles for Sanofi insulin pens such as Lantus and Toujeo SoloStar
Pen Needles for Sanofi Insulin Pens: A SoloStar Family Guide
Which pen needles fit Sanofi insulin pens like Lantus, Toujeo, Admelog, Apidra, Soliqua, and Merilog SoloStar, plus how to choose a length and gauge and how many to buy.