Hey im new to the forums but here goes I'm 5'10 190 I started at 170 and made really good gains with training and dieting. My problem is all the supplements I used to take stopped working. When I first started training all the pre workouts would jack me up and the NO would give me amazing pumps and I'd be soooooo vascular.... I haven't seen a vein in weeks and I'm lifting with better form and a better diet and the same supplements I understand people build a tolerance but I'm taking 3x the l argentine and no pumps in the gym no vascularity and my muscles don't feel hard anymore what's going on with me..... Also I stopped taking creatine a couple weeks ago but I don't think that would do anything.
My supps are a protein isolate, pre workout such as jacked, l Arginine, cla, multi vitamin, glutamate.
Thanks for the help