Off-cycle hardening compound providing results similar to our Arima-XD, with the distinct ingredient difference, acacetin. ARIMIDROL is a natural aromatase inhibitor. As you may already know, androgens are the male hormones while estrogens are female hormones. Aromatase is the enzyme that converts androgens into estrogens. When aromatase produces too much estrogen it can cause issues like low testosterone. ARIMIDROL hardening compound provides the tools you need to achieve that physique you’ve always wanted.