GNC Men's Arginmax®: Sexual Health Formula For Men GNC Men's Arginmax® Is An Advanced Sexual Health Formula. This Patented Formula Helps Sexual Desire And Improves Sexual Performance And Staying Power. Arginmax® Features L-Arginine, An Amino Acid That Enhances Nitric Oxide Production. Nitric Oxide Helps Maintain Blood Vessel Tone, Which Plays A Key Role In Sex. Also Contains Ginkgo Biloba, Which S Increased Peripheral Blood Flow, And Zinc, Which Is Required For Normal Reproduction Function. This Formula Includes A Blend Of American And Asian Ginseng, An Herb Traditionally Used To Vitality And Overall Well-Being. Arginmax® Has Antioxidants To Protect Cells From Harmful Free Radicals. 180 Caplets 30-Day Supply Timed-Release Gluten Free | GNC Men's Arginmax Sexual Health Formula - 180 Caplets (30 Servings)