I'll take a picture of the syringe when I get to the house but I'm using the same ones that I got in my TRT kit for HCG. The pin part is about 1/2" and it reads 10 to 100 because I take 250 iu every few days for hcg and that's to the 25 mark.1000 iu? What kinda syringe you using? 100iu = 1ml/cc. Use insuling u100 pins for subq. Pretty sure you mustve meant 100iu
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