A favorite food of the infamous pleasure-seeker Casanova, caviar has long been associated with extravagance and indulgence, but the high-priced delicacy also offers numerous health benefits that can boost your well-being and libido. The pearl-shaped sturgeon eggs are packed with zinc and protein, which will give you and your partner a nice boost of energy. Also, the amino acid L-arginine found in caviar increases blood flow and therefore, thought to increase your desire.