Sense vigor comes in a pack of 30 capsules and is aimed at male sexual function. According to the product description, ashwagandha helps male sexual function, while zinc contributes to normal fertility and reproduction and to the maintenance of normal testosterone levels. Its composition includes Enostim™ (with sulfites), L-arginine base, dry ashwagandha root extract (Withania somnifera), dry tribulus fruit extract (Tribulus terrestris L.) and zinc in the form of zinc oxide. The indicated daily amount is: Enostim™, 300 mg; L-arginine base, 100 mg; dry ashwagandha extract, 100 mg; dry tribulus extract, 65 mg; and zinc, 10 mg. Directions for use: take 1 capsule a day before going to bed. Not recommended during pregnancy, breastfeeding or for children under 12 years of age. It is a vegan product and contains sulfites.