Quote Originally Posted by MuscleScience View Post
Some are but if you pick one that blocks ShBH and allows you more circulating free Testosterone there is a lot of scientific data on that. But then again at your age, you are producing basically the equvilant of 250-300mg worth of Test E shot anyway.
What brand would you reckon that does what youve described

google brought me to this https://cleanmachineonline.com/products/cell-block-80/