In my case i'm not wasting a lot of testosterone when changing the needle. But in the syringe there is always some testosterone left in the front space (where someone puts the needle on it) about 0.05 ml. Do u use special syringe where there is no such space? I'm using a 24 G syringe. And when I split the 1 ml (250 mg enanthate) to four syringes, then I'm loosing about 0.05 ml x 4 times testosterone (0.2 ml). Any thoughts about how to avoid that?I choose to use the same needle for a number of reasons, one of which is wishing to avoid any potential loss of testosterone (it would be a very small amount) in the transfer. But, there are many who employ two needles with no issue. I can't imagine I'd notice any dulling of the point.