Cold-water fish, like salmon, mackeral, sardines, herring, trout, and tuna, are high in the essential omega 3 fatty acids, which help maintain a healthy heart, healthy joints, and lower inflammation levels.

Alcohol intake can increase your need for B-vitamins, especially
B-1. Herbs, such as milk thistle, can help prevent liver toxicity associated with high alcohol intake.

Smoking and second-hand smoke can lower a person's antioxidant defenses. People regularly exposed to smoke have lower blood levels of Vitamin A, Vitamin E, selenium and zinc.

Symptoms of low testosterone include fatigue, loss of muscle mass, loss of sex drive, increased body fat, and changes in mood. About 1 in 4 men over the age of 30 have low testosterone.

Symptoms of erectile dysfunction and loss of sexual potency include trouble getting an erection, inability to maintain an erection, or loss of sexual desire.