versions: basic, enhanced ( King , contains 2 times more L-arginine), accelerated action ( Go!) And in the version which further improves libido (sex Appetite). The main component of each formulation is an extract of Tribulus terrestris, which is considered a natural aphrodisiac. Tablets, depending on the type, may also contain ginseng, L-arginine, vitamins and additional plant extracts in varying proportions. Is natural composition guarantees the effectiveness Strength Musclesu? What opinions about his actions when they have specialists and care should be taken when using the product? - composition and function Strength Musclesu action is mainly based on the properties of natural plant extracts. Some of .