Formulated especially for men, Vigorine's main ingredient is citrulline, a natural substance found in watermelons that boosts circulation, when combined with key nutrients it has been proven to help maintain normal testosterone levels. Take one capsule 3 times per day ideally with meals. Do not exceed the recommended daily amount. Store in a cool dry place. Keep out of reach of children. Foods supplements should not be used to replace a healthy diet and lifestyle.