Muscletech Test 3X SX-7 Black Onyx Caplet

Muscletech Test 3X SX-7 Black Onyx Caplet features a precise 3.12g clinical dose of D-aspartic acid. D-aspartic acid (DAA) is naturally occurring amino acid found in the neuroendocrine tissues of humans that has been shown to increase testosterone by over 40% and increase luteinizing hormone by over 30% while staying within the normal healthy range.