GP Nolva is an oral preparation containing 20 mg of the substance Tamoxifen Citrate. GP Nolva is most often referred to as "Nolvadex" by bodybuilders. Nolvadex is not a steroid, rather a selective estrogen blocker. While Nolva doesn't prevent the buildup of estrogen in the body, it does prevent it from acting on certain receptors,…

GP Letrozole is an extremely potent anti-estrogen which contains 2.5 mg of the substance Letrozole. Letro, as it is most commonly called, was originally developed to help treat breast cancer in women. It can also have benefits to bodybuilders who are very sensitive to estrogen related side effects, or who are in heavy bulking cycles…

GP Anastrozole is an anti-estrogen available in oral form which contains 1 mg of the substance Anastrozole per tablet. Most commonly called Arimidex, this substance is a true aromatase inhibitor which works by blocking the aromatase enzyme in the body, thus limiting the amount of estrogen buildup that takes place. This compound has obvious benefits…