Before I get flamed, let me clarify. Insulin syringes are marked in IUs. So, a typical insulin syringe is 1cc/100units. So, with your HCG, you would need to know how many IUs per cc you have. For example, my HCG comes in 10,000IU's per 10cc. Or 1000IUs per cc. I dose at 250IUs at a time...