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People with Type 2 diabetes and certain gastrointestinal disorders, such as Crohn’s disease or colitis, as well as those who have had bariatric surgery, may be also at risk of zinc deficiency.
“Adult men need 11 milligrams (mg) per day of zinc, while most women need 8 mg. Women who are pregnant need 11 mg per day, and those who are breastfeeding need 12 mg per day.”
In 1929 Lutz measured zinc in numerous human tissues using the dithizone technique and estimated total body zinc in a 70 kg man to be 2.2 grams. Zinc was found to be essential to the growth of rats in 1933. [59] In 1939 beriberi patients in China were noted to have decreased zinc levels in skin and nails. In 1940 zinc levels in a series of ...
The recommended daily allowance of zinc is 11 mg for older men and 8 mg for older women, with an upper tolerable limit of 25–40 mg per day, including both dietary and supplemental sources. However, individuals over 60 often consume less than 50% of the recommended zinc intake, which is crucial for proper body function.
Zinc toxicity is a medical condition involving an overdose on, or toxic overexposure to, zinc. Such toxicity levels have been seen to occur at ingestion of greater than 50 mg of zinc. Such toxicity levels have been seen to occur at ingestion of greater than 50 mg of zinc.
Oysters are an especially rich source of zinc, containing “anywhere from 28.1 to 32 mg of zinc per 3 oz serving, which is double the 14 milligrams a day referenced in this study,” Whitaker noted.
The use of zinc sulfate supplements together with oral rehydration therapy decreases the number of bowel movements and the time until the diarrhea stops. [2] Its use in this situation is recommended by the World Health Organization. [2] There is some evidence zinc is effective in reducing hepatic and neurological symptoms of Wilson's disease. [8]
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