4-Diol 250 contains Androstenediol, which helps boost testosterone production, increase protein synthesis, strength and muscle size, enhance immune function, and improve recovery. AST Sports Science uses only pure pharmaceutical grade HPLC Certified and Laboratory Tested 4-Androstenediol. Each production run is manufactured under strict pharmaceutical standards guaranteeing full potency and freshness.
One capsule supplies the following ingredients:
4-Androstenediol - 250mg
* No claims found on this web page or in print have been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. No claim or opinion about weight loss, bodybuilding or general health on this web page is intended to be, nor should be construed to be, medical advice. Please consult with a healthcare professional before starting any weight loss diet or exercise program.