Estrohalt is the best estrogen blocker and aromatase inhibitor you can buy over the counter because it has attributes that no other pill has. Estrohalt lowers estrogen levels from it's multiple aromatase inhibitors in DIM and Indole-3-carbinol which reduce the conversion of estrogen from testosterone in our bodies. Along with these two ingredients Estrohalt contains Flax Oil which acts as an estrogen blocker within our body while also being fat soluble which helps the absorption of DIM and Indole. Unlike most other brands Estrohalt purposely does not contain piperine extract as piperine does not increase absorption of supplements other than of b-vitamins according to the latest studies and also causes side effects for some people. Estrohalt is also unique to other brands in that these easy to swallow tablets cut in half with any knife so that a smaller dose can be taken when you first try the product. Estrohalt's reviews prove it is the best estrogen blocker you can buy.