We want to help you completely control estrogen and estrogen-related side effects like hair loss, gyno, acne and more... and that's exactly what we've done with Aromatase Inhibitor! This product is a powerful estrogen blocker (as strong as Chrysin) that stops, blocks, reduces and removes estrogen from your body. If you are (or had been) using steroids, prohormones, SARMs or any type of testosterone boosting or hormonal product either synthetic or natural... you should be using this product! Aromatase Inhibitor is the powerful estrogen killer you need to get and keep your hormone levels where they need to be in order to be healthy and producing as they should! May help reduce and eliminate gyno symptoms. Stacks well with ANDRO, TESTIMAX and TRIBULUS.