GNC Mens Maca Man ® Maca ( Lepidium meyenii ) is grown at high altitudes in the Andes region of Peru. It has been traditionally used for centuries as a food source and as a general energy tonic. More recent research suggests that Maca can help support a healthy reproductive life for both men and women. The improved formula with arginine, Yohimbe extract and Ginkgo biloba extract improves blood circulation at the peripheral level. Benefits: Advanced formula for mens sexual health; 900 mg Maca root; 1000 mg of Arginine; It accelerates the production of nitric oxide for increased blood flow. Does not contain sugar, artificial colors, artificial flavors, preservatives, wheat, gluten, soy, dairy. *The product is a food supplement and should not replace a varied and balanced diet and a healthy lifestyle.