BOLD 300 Boldenone Undecylenate 300mg (5*1ml) BOLD 300® is a steroid compound that is described chemically as l,4-androstadienc-3-one, 17b-ol. BOLD 300® is a 300 mg per ml of Boldenone Undecylenate, Miglyol 840, Ethyl oleate, Benzyl benzoate, Benzyl alcohol which is an oily solution for intramuscular injection. BOLD 300® is designed to release Boldenone slowly from the injection site. BOLD 300® is an anabolic steroid possessing anabolic properties with moderate androgenic activity. Anabolic and androgenic agents are widely used in the treatment of catabolic processes where accelerated strength and muscular development are indicated. Boldenone Undecylenate has been used as an extremely powerful long acting anabolic agent which has a rapid onset of action. This is advantageous and is preferred over frequent oral dosing or even repeated injections in veterinary practice.