Male Performance Formula Supports Healthy Sexual Activity Virility Enhancement GMP Quality Assured A Dietary Supplement Vegetarian/VeganNOW TestoJack 200 is an extra strength combination of natural herbal ingredients known to support a man"s healthy sexual activity and overall vitality. With Tongkat Ali, Tribulus, Maca and Horny Goat Weed, TestoJack 200 is a targeted botanical formula that a man can use to maintain reproductive function, libido, and sexual performance. The addition of American and Panax Ginseng plus Muira Puama round out this formula through their ability to support sustained energy levels. This combination helps to create a dynamic one-two punch for the overall promotion of reproductive health and sexual drive. NOW Extra Strength Testojack 200 has four times the Tongkat Ali (200 mg per serving) as in our regular strength product (50 mg per serving).