and how come I was not feeling the symptoms? I work out 4 times a week and take GNC supplements daily ...I'm a 26 year old male, and my doctor informed me that my testosterone levels are at 143--... View answer

would testosterone boosters from GNC raise my ast and alt levels? ... View answer

I am 26 years old and 144 pound ( 65 kg ) . My bones are thin and i am a skinny person. I want to get some weight .My friedns suggesting Protein supplements the one called GNC , you mix it with milk ... View answer

Is it safe and effective for men over 60 to take testosterone supplements? ... View answer

Can high testosterone be caused by overdose of herbal supplements like Horny Goat Weed? ... View answer

I have pain in my right side near the the rib cage....w/in the last two weeks I have been taking supplements that increase testosterone (GNC protein powder and amino powder as well as High T) would... View answer

burns like hell; what should i do? How do i treat this? Is this due to supplements i m taking, like GNC testosterone boosters, creatines, L-arginine supplements? I dont know where to start ... View answer

a GNC rep told me to take tribulus to increase hair growth in a week i lost almost an inch off my hairline after taking tribulus I didnt have hairloss like this before Did the GNC rep lie for a sale i had ... View answer

testosterone booster the day before, Force Factor test 180x alpha (very expensive one from GNC). I ve been taking a different natural testosterone booster for 4 months prior. I also take VSL#3... View answer

can i use testosterone supplements while im on oral contraceptives? ... View answer