I get my hcg from a pharmacy that compounds it for me. It comes in the vial with 2000ml so iam wondering on my slim pin which are 1/2cc insulin syrine where I draw to the lady said to the 25 mark to get my 250iu twice a week why does everyone on here say to the 10 line to get 250iu doesn't make sense to to the 10 mark, this much lasts me 1 month at 250 twice a week