■ This flowering plant, also known as society garlic, is indigenous to South Africa. The Zulus have used it as an aphrodisiac, and research from University of the Western Cape has shown why. Although it’s too early to tell precisely how Tulbaghia violacea Harv. works, research confirms that it increases testosterone production without raising estrogen levels.
■ This Bermuda grass, native to Africa, Asia, and Australia, contains numerous phytochemicals that may boost testosterone and sexual function. Although its exact mechanisms are still unknown, researchers theorize that it may increase the production of brain chemicals that control testosterone production.
■ Parts of this African palm tree are used as an aphrodisiac in Nigeria. Research confirms that this plant’s compounds have anabolic properties that increase protein synthesis while also reducing protein breakdown. One study even found that extract of Borassus aethiopum increased muscle growth in a manner similar to anabolic steroids.