Black Maca Powder set (3 bags)Black Maca is sometimes considered to be "men's maca" or the "strongest maca". Part of the reason is that this variety is seen as being more effective for building sperm count and muscle building. Black Maca potentially has many benefits, including: boosting sperm production, improving metabolism, mood, learning (memory) and concentration, promoting bone health and muscle building and antioxidant level. Weight: 300 Gr. 10. 58 Oz