Dietary Requirements For Vitamin C

Vitamin c pharmacokinetics in healthy volunteers.
Dietary requirements for vitamin c. Evidence for a recommended dietary allowance. Based on data from the third national health and nutrition examination survey nhanes iii although more than 75 percent of adult men have dietary vitamin c intakes higher than the ear of 75 mg day appendix table c 1 only 50 percent have plasma vitamin c concentrations greater than 38 µmol l 0 67 mg dl appendix table f 1. Data from dietary surveys show that average vitamin c intakes from food only in european countries range from 69 to 130 mg day in men and from 65 to 138 mg day in women.
Before sharing sensitive information online make sure you re on a gov or mil site by inspecting your browser s address or location bar. Proc natl acad sci 1996. Dietary guidelines are a translation of scientific knowledge on nutrients into specific dietary advice.
The gov means it s official. Food and drug administration fda developed dvs to help consumers compare the nutrient contents of foods and dietary supplements within the context of a total diet. Criteria and recommendations for vitamin c intake.
Federal government websites always use a gov or mil domain. People consume food it is essential to advocate nutrition in terms of foods rather than nutrients. The dv for vitamin c on the new nutrition facts and supplement facts labels and used for the values in table 2 is 90 mg for adults and children age 4 years and older.
Although some studies have indicated that people with some types of cancer have lower blood levels of vitamin c than the general public. This article looks at the top 20 foods rich in vitamin c and ideas. One set of guidelines is known as the recommended dietary.
Before sharing sensitive information online make sure you re on a gov or mil site by inspecting your browser s address or location bar. The gov means it s official. The body does not store excess vitamin c so a person needs to absorb enough from food each day to meet the recommended intake.