Each of our 120 vegetarian friendly capsules contains 13 key ingredients including zinc, maca root extract, fenugreek, ginseng & vitamin d3, a, k2, b5 for powerful boosting effects. Zinc is proven to contribute with the maintenance of normal testosterone levels in the blood & vitamin d contributes to the maintenance of normal muscle function. TESTOMAX Testosterone Booster for Men - 13 Powerful Active Ingredients & Vitamins Including Zinc Maca Root Extract Fenugreek Ginseng - Made in The UK by Nutravita.