Want a premium food supplement that\'s popular amongst strength-focused athletes? Testo-4HD from Stacker2 is packed with a range of plant-based extracts such as tribulus terrestris and maca in addition to the Stacker Anabolic Complex™ of muira puama, rhodiola rosea, damiana and green oat. This high-quality blend also includes vitamins and minerals such as magnesium, vitamin B6, vitamin D and zinc. Want a premium food supplement that\'s popular amongst strength-focused athletes? Testo-4HD from Stacker2 is packed with a range of plant-based extracts such as tribulus terrestris and maca in addition to the Stacker Anabolic Complex™ of muira puama, rhodiola rosea. damiana and green oat. This high-quality blend also includes vitamins and minerals such as magnesium, vitamin B6, vitamin D3 and zinc. Popular food supplement for strength focused athletes. Contains as tribulus terrestris, and maca. Includes a Stacker Anabolic Complex™ of muira puama, rhodiola rosea, damiana and green oat. Includes magnesium and vitamin D to help maintain normal muscle function. Includes zinc to aid normal protein synthesis and normal testosterone levels. Includes vitamin B6 to support energy metabolism. 120 capsules per pack Testo-4HD contains 10 different ingredients; including zinc which contributes to the maintenance of normal testosterone levels in the blood. Read more!