Every Black Maca capsule delivers 1600mg from a 4:1 Black Maca Extract. Black Maca or Lepidium Meyenii Extract root supplements help support healthy male potency, fertility, libido, sex drive, strength, stamina, energy, testosterone production, muscle, mood and athletic performance.  Our Black Maca supplement is free of preservatives and artificial ingredients. All of our products are encapsulated and bottled in the USA with ingredients sourced from around the world. Using Black Maca Capsules from We Like Vitamins is a great start to a healthier lifestyle.