Naturally Increase Testosterone; Modulate Estrogen; Boost Free Test. Increase Strength; Naturally Support Libido; Increase Protein Synthesis; Increase Lean Mass. TestPRO Complex (Proprietary Blend): Quercetin 95%, Divanil (Proprietary Urtica Dioica Extract containing SHBG Binding and Aromatase Inhibiting Lignana Including 3,4-Divanillyltetrahydrofuran Secoisolariciresinol), Indole-3-Carbinol (I3C); Bioperine (95-98% Piperine)