It is 25 lines on a 100iu pen, between 20-30 mark on a insulin syringe. You can inject it 2 inch's out around your belly button.....Ghostprofit
Quote Originally Posted by FishWhisperer1972 View Post
I have a question gentlemen if y'all could help me out with it please.
On a slin dart measured in units , how many units is 250 iu = to ?

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