For a multi that does more, try Irwin Naturals®' Daily-Multi Testosterone Up® Booster for Men. In addition to filling nutritional gaps in the diet, this formula combines an impressive array of vitamins and minerals with KSM-66® ashwagandha which has been clinically studied for its potential to support free testosterone levels, endurance and a healthy response to stress. Includes nutrients to promote healthy immune system function and maintain strong bones.