What can I buy over the counter without prescription to get my estrogen levels lower, or block estrogen levels from the start to get high (I'm going to use dianabol, and I want to take all the precautions I can) I'm 19 years old, I don't want to use something as a base, o weight 75 kg, my Body Fat is 6,8 % I play rugby, cricket, and I swim and I cycle, i gym about 2 hours daily, any comments will be great