Zinc is a metal that plays a role in metabolism, immune support, healing functions and hormonal systems. Individuals must consume zinc daily to maintain healthy levels.
Studies show that zinc is an effective treatment early in the onset of a cold. If taken within 24 hours of the first symptom, zinc can reduce a cold’s duration and severity. Further studies show zinc to be an effective immune booster as infections and illnesses were demonstrated to be lower in patients who took zinc supplements.
Zinc also is critical for the production of testosterone, so supplementation may be useful for men as they age and levels naturally decrease. Zinc also helps women make estrogen and progesterone and affects fertility. Because it regulates another hormone, insulin, zinc is also important for diabetics.
Low zinc levels may result in fatigue because zinc helps convert carbohydrates into energy. More signs of low zinc include weight gain or loss, low libido, infertility, low immunity, wounds taking a long time to heal, digestive issues, brain fog, PMS and cravings.