Zinc (as CSTekTM chelation complex) 16 mg 107%
Zinc is a mineral. It is called an “essential trace element” because very small amounts of zinc are necessary for human health. Since the human body does not store excess zinc, it must be consumed regularly as part of the diet. Common dietary sources of zinc include red meat, poultry, and fish. Zinc deficiency can cause short stature, reduced ability to taste food, and the inability of testes and ovaries to function properly.
Zinc is taken by mouth for the treatment and prevention of zinc deficiency and its consequences, including stunted growth and acute diarrhea in children, slow wound healing, and Wilson’s disease.
It is also used for boosting the immune system, improving growth and heath in zinc deficient infants and children, for treating the common cold and recurrent ear infections, the flu, upper respiratory tract infections, preventing and treating lower respiratory infections, swine flu, bladder infections, ringing in the ears, and severe head injuries. It is also used for malaria and other diseases caused by parasites.
Some people use zinc for an eye disease called macular degeneration, for night blindness, and for cataracts. It is also used for asthma; diabetes and associated nerve damage; high blood pressure; AIDS/HIV, AIDS/HIV-related pregnancy complications; HIV-related diarrhea and AIDS diarrhea-wasting syndrome, AIDS-related infections, and high levels of bilirubin in blood (hyperbilirubinemia).
It is also taken by mouth anorexia nervosa, obsessive-compulsive disorder, depression, depression after pregnancy (postpartum depression), dementia, dry mouth, attention deficit-hyperactivity disorder (ADHD), blunted sense of taste (hypogeusia), hepatic encephalopathy, alcohol-related liver disease, Crohn’s disease, ulcerative colitis, inflammatory bowel disease, canker sores, stomach ulcers, leg ulcers, and bed sores.
Some men take zinc by mouth for male fertilityproblems and enlarged prostate, as well as erectile dysfunction (ED).
Zinc is taken by mouth for osteoporosis, cysts on the ovaries, rheumatoid arthritis, psoriatic arthritis, warts, and muscle cramps in people with liver disease. It is also used for sickle cell disease, itching, rosacea, hair loss, psoriasis, eczema, acne, a blood disorder called thalassemia, Alzheimer’s disease, Down syndrome, Hansen’s disease, and cystic fibrosis.
It is also taken by mouth for cancer prevention, including esophageal cancer, colon and rectal cancer, stomach cancer, brain cancer, head and neck cancer recurrence, nasal and throat cancer recurrence, and non-Hodgkin’s lymphoma. Zinc is used by mouth to prevent inflammation in the lining of the digestive tract, chemotherapy-related complications, anemia, pregnancy-related complications including iron deficiency, vitamin A deficiency (taken with vitamin A), seizures, arsenic poisoning, chronic obstructive pulmonary disease (COPD), clogged arteries, leukemia, burns, diaper rash, leprosy, and skin lesions caused by leishmania infection.
Some athletes use zinc by mouth for improving athletic performance and strength.
Zinc is also applied to the skin for treating acne, foot ulcers caused by diabetes, leg ulcers, diaper rash, warts, aging skin, brown patches on the face, herpes simplex infections, parasitic infections, and to speed wound healing. Zinc is also applied to the anus for people with problems controlling bowel movements.
Zinc citrate is used in toothpaste and mouthwash to prevent dental plaque formation and gingivitis. Zinc is also used in chew gum, candies, and mouth rinses to treat bad breath.
There is a zinc preparation that can be sprayed in the nostrils for treating the common cold.
Zinc sulfate is used in eye drop solutions to treat eye irritation.
Zinc is injected into the vein to improve nutrition in people recovering from burns.
Note that many zinc products also contain another metal called cadmium. This is because zinc and cadmium are chemically similar and often occur together in nature. Exposure to high levels of cadmium over a long time can lead to kidney failure. The concentration of cadmium in zinc-containing supplements can vary as much as 37-fold. Look for zinc-gluconate products. Zinc gluconate consistently contains the lowest cadmium levels.
How does it work?
Zinc is needed for the proper growth and maintenance of the human body. It is found in several systems and biological reactions, and it is needed for immune function, wound healing, blood clotting, thyroid function, and much more. Meats, seafood, dairy products, nuts, legumes, and whole grains offer relatively high levels of zinc.
Zinc deficiency is not uncommon worldwide, but is rare in the US. Symptoms include slowed growth, low insulin levels, loss of appetite, irritability, generalized hair loss, rough and dry skin, slow wound healing, poor sense of taste and smell, diarrhea, and nausea. Moderate zinc deficiency is associated with disorders of the intestine which interfere with food absorption (malabsorption syndromes), alcoholism, chronic kidney failure, and chronic debilitating diseases.
Zinc plays a key role in maintaining vision, and it is present in high concentrations in the eye. Zinc deficiency can alter vision, and severe deficiency can cause changes in the retina (the back of the eye where an image is focused).
Zinc might also have effects against viruses. It appears to lessen symptoms of the rhinovirus (common cold), but researchers can’t yet explain exactly how this works. In addition, there is some evidence that zinc has some antiviral activity against the herpes virus.
Low zinc levels can be associated with male infertility, sickle cell disease, HIV, major depression, and type 2 diabetes, and can be fought by taking a zinc supplement.