Vitamin C - Health Professional Fact Sheet
2021-7-19 · Vitamin C deficiency is uncommon in developed countries but can still occur in people with limited food variety. Groups at Risk of Vitamin C Inadequacy. Vitamin C inadequacy can occur with intakes that fall below the RDA but are above the amount required to prevent overt deficiency (approximately 10 mg/day). The following groups are more likely than others to be at risk of obtaining insufficient amounts of vitamin C.
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