Turmeric and black pepper is said to increase the body's natural testosterone production, and in India it is used by many to increase male fertility, as well as many other benefits. Turmeric has been used for quite a long time for medicinal purposes. The nutritive quality of turmeric is due to its constituents, such as manganese, iron, vitamin B6, fiber, copper, potassium, etc. Read on for the key points on serving and benefits.