Ginger root (Zingiber officinale) may enhance testosterone production, according to research. 

Lemon fruit (Citrus limon) is known to increase blood flow and circulation and is loaded with antioxidants and flavonoids that may aid in improving sexual function.

Pomegranate (Punica granatum) has compounds that may help prevent prostate cancer. They may also help men maintain their physical strength and muscle mass.

Ginseng root (Panax quinquefolius) may reduce exercise-induced muscle damage and inflammation. It may also help increase nitric oxide synthesis in men for improved libido. 

Damiana leaf (Turnera diffusa) is known as an aphrodisiac, but it may also be useful for maintaining a healthy urinary system.

Fig (Ficus carica) is rich in zinc which is needed for normal sperm motility.

Ashwagandha root (Withania somnifera) is traditionally used to boost male fertility and youthful vigor.