NOW Foods Maca 500mg (lepidium meyenii) is grown at high elevations in the Andes region of Central Peru. It has been traditionally used for centuries as a food source and as a general energy tonic. Modern scientific research suggests that maca may help to support a healthy reproductive life for both men and women. Scientific studies indicate that maca does not exert a direct effect on endocrine function.*Natural colour variation may occur in this product.