Essential trace element for animals, plants and humans. The metal is found concentrated in the prostate gland, in semen and sperm, but also in the kidneys, liver and muscles. Zinc plays an important role in the development of the brain, nervous system and skeleton of the fetus, in maintaining a healthy liver, in the activity of insulin, and the release of vitamin A from the liver. Zinc deficiency may prevent proper physical, mental and sexual development, but which can be corrected by supplementation before puberty. Best food source is oysters, but it is also found in liver, dried brewer's yeast, shellfish, meats, hard cheese, canned fish, legumes, whole grains, rice, potatoes, etc. Dried pumpkin seeds is another good source of dietary zinc.
- Prevention and treatment of prostate problems
- Reduction of blood fat levels
- Rejuvenation of immune system
- Supplementation for child hyperactivity and schizophrenia
- Treatment of acne, anorexia nervosa, eczema, psoriasis, rosacea
Nutrients limiting zinc absorption are phytic acid, fiber and polyphosphate additives. Other factors are food refining and processing. High blood copper can depress zinc absorption, just as high zinc content can reduce copper, the two metals having a reversible relationship. Zinc has a similarly reversible relationship with phosphorus.
An increase of the normal copper to zinc ratio of 1 to 4-5, can cause increases in blood cholesterol and lead to arteriosclerosis. Excess zinc on the other hand, is simply excreted.