Manufacturer: Geneza Pharmaceuticals
Pharmaceutical name: Drostanolone Propionate
Pack: 1 vial (10 ml (100 mg/ml))
GP Mast 100 is an injectable steroid that features the hormone Drostanolone Propionate.
Known commonly as Masteron, it is primarily utilized by bodybuilders during the "cutting" phase of their training and dietary regimens. Although it possesses mild anabolic properties, this steroid is highly androgenic, resulting in significant muscle hardness and definition. Additionally, GP Mast 100 is recognized for its effectiveness as an estrogen blocker and its ability to bind to SHBG, which helps other steroids bind more efficiently to their specific receptors, thereby enhancing their efficacy in the body. These benefits are also experienced by bodybuilders who opt for the oral version of Masteron, Proviron.
Bodybuilders aiming to add GP Mast 100 to their cycle often stack it with other steroids such as Trenbolone, Testosterone Propionate, and oral compounds like Stanozolol or Halotestin to achieve a greater level of definition and hardness in preparation for competitions.
Common androgenic side effects may occur with Masteron, including oily skin and an increase in libido. Due to its highly androgenic nature, this substance is less favored by female bodybuilders, though many serious competitors still use it for its effectiveness as a pre-contest steroid. Men typically administer a dosage ranging from 300-600 mg per week, while women usually prefer a dosage between 100-300 mg per week. This steroid is commonly injected every 2-3 days to maintain stable blood levels.