Vitamin C Recommended Dietary Allowance

However recent scientific evidence indicates that an increased intake of vitamin c is associated wit.
Vitamin c recommended dietary allowance. Levine m rumsey sc daruwala r park jb wang y. Recommended dietary allowance rda for vitamin c life stage age males mg day females mg day infants 0 6 months 40 ai 40 ai infants 7 12 months 50 ai 50 ai children 1 3 years 15 15 children 4 8 years 25 25 children 9 13 years 45 45 adolesce. Vitamin c megadosage is a term describing the consumption or injection of vitamin c ascorbic acid in doses well beyond the current recommended dietary allowance of 90 milligrams per day and often well beyond the tolerable upper intake level of 2 000 milligrams per day.
There is no scientific evidence that vitamin c megadosage helps to cure or prevent cancer the common cold or a variety of. Proc natl acad sci u s a 1989 86 6377 81. Recommended dietary allowance rda for vitamin c ascorbic acid.
The institute of medicine iom has developed a set of reference values for specific nutrient intake levels including for vitamin c. Legend 1 µg 1 mcg 1 microgram 1 1 000 000 of a gram. The recently released recommended dietary allowance of vitamin c for women 75 mg daily was based on data for men.
One set of guidelines is known as the recommended dietary. Vitamin c ie ascorbic acid is found in citrus fruits and vegetables. Ascorbate is an outstanding antioxidant in human blood plasma.
We now report results of a depletion repletion study with healthy young women hospitalized for 186 28 days using vitamin c doses of 30 2 500 mg daily. Evidence for a recommended dietary allowance. Vitamin c pharmacokinetics in healthy volunteers.
The rda is determined by the rate of turnover and rate of depletion of an initial body pool of 1500 mg vitamin c and an assumed absorption of 85 of the vitamin at usual intakes. May 30 2020. The current recommended dietary allowance rda for vitamin c is 60 mg d for healthy nonsmoking adults.