I went to Sotopelle a renowned HRT Dr Geno Tutera in AZ. I also worked for Sonora Quest Laboratories, I will describe this best I can. The clinical range of test is 250-1100 via Sonora Quest this number varies from lab to lab but optimal range for a 25 year old is around 900-1100, 500 is indeed normal.... for a 50 year old man. < During my 4 weeks of HRT dose of 200mg/week my test went up to 800 and stayed around the this lvl, my gains went through the roof just with a 300 boost to my test. My 500test lvls were making it extremely hard to gain anything. But anyways I figured the T I was buying would be around 75% vs my pharmaceutical grade test and I estimated at 600mg/week my test would be around 1500 4 weeks deep when I had my labs done again. As far as the Deca I have decided to drop it from the cycle along with the Caber rest of the cycle is still the same. Dylan is is ok to sub the N2guard for cycle assist? I've read reviews on both, both seems to be good products.