Enhance libido, relieve fatigue and stress and promote erection. ✓ Improve sexual performance, nourish the prostate gland. ✓ Promote blood circulation, improve body vitality. Drinking just two cups of coffee a day could dramatically improve your sex life, a university study has concluded. A study by the University of Texas has found that men who drank two cups a day where 42 per cent less likely to suffer from erectile dysfunction compared to men who didn't. Coffee is a potent source of healthful antioxidants. Caffeine provides a short-term memory boost. Coffee may help protect against cognitive