Are you looking for a reliable estrogen blocking supplement to round out your prohormone cycle? This product is designed for men to limit Estrogen while coming off cycle, leading to an increase in energy, an increase in strength, and an increase in sex drive. This is because Arimistane helps decrease Estrogen levels that can fluctuate while running a prohormone cycle. High Estrogen levels in men can even cause lowered levels of Testosterone, which completely reverses the results of the prohormone you were taking! This is why normalizing your Estrogen levels after taking a prohormone is so important! Other popular Aromatase inhibitors don't even come close to the effectiveness and potency of Hi Tech Arimistane. So if you've just come off of or are currently running and prohormone cycle, you'll want to try Hi-Tech Pharmaceuticals Arimistane for yourself! PLus due to the price, this Arimistane is cheap compared to anything you can find for sale!