Nolvadex - Tamoxifen (Anti-estrogen, PCT) 20mg/50tabs - True North.                  Tamoxifen can be used as anti-estrogen during steroid cycle to prevent negative effects of high estrogen rate, including gynecomastia, but primarily it is used to stimulate and restore natural Testosterone levels post cycle. (Do not use Nolvadex after Trenbolone, Nandrolone, Oxymetholone cycles. Clomid only.)