Zinc Recommended Dietary Allowance

Although urinary zinc losses decrease markedly with severe deficiency baer king 1984 across a dietary intake range of 4 25 mg day urinary zinc and non intestinal losses in general appears to be largely independent of dietary intake.
Zinc recommended dietary allowance. N 115 x 11 3 and s 6 43. Zinc absorption is defined for this purpose as the minimum amount of absorbed zinc necessary to match total daily zinc losses. The recommended daily dietary allowance for zinc among males older than age 50 years is 15 mg day.
Currently the recommended dietary allowance rda for zinc in the united states is 8 milligrams mg a day for women and 11 mg a day. Higher doses have been used for treating certain conditions including acne diarrhea and respiratory. The recommended dietary allowance rda for zinc is 8 mg for women and 11 mg for men.
A daily intake of zinc is required to maintain a steady state because the body has no specialized zinc storage system. The institute of medicine iom lists the tolerable upper intake level ul for zinc as 40 mg for women and men. Only a small intake of zinc is necessary to reap the benefits.
The article nutrient intakes and dietary patterns of older americans. 5 the doses used in registered clinical trials for covid 19 vary between studies with a maximum dose of zinc sulfate 220 mg 50 mg of elemental zinc twice daily. The recommended dietary allowance for elemental zinc is 11 mg daily for men and 8 mg for nonpregnant women.
Yet levels not much higher than 15 mg can trigger side effects such as a depressed immune system poor healing hair loss and interference with. A national study j. For adults the recommended daily dosage is typically 15 30 mg of elemental zinc 4 28.
The dietary intake corresponding to this average minimum quantity of absorbed zinc is the ear. Intake recommendations for zinc and other nutrients are provided in the dietary reference intakes dris developed by the food and nutrition board fnb at the institute of medicine of the national.