According to scientists at Texas A&M University, seeded watermelons contain elements that boost testosterone and blood flow. The alkaline fruit is also said to be a natural sexual stimulant.
Brazil nuts have great testosterone boosting potential because of its very high selenium content. Selenium, due to its glutathione stimulating effects, is directly linked to increased testosterone production, according to sources. Eating just a handful of Brazil nuts a day is a natural way to cover your daily selenium.