Best weather app going. This NOAA weather radio app is fantastic for a number of reasons with the most helpful ones being lightning strikes in the area, full NOAA radio coverage nationwide, and quick and easy to read radar views (with animations).
For adults, the recommended dietary reference intake for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements may cause: Diarrhea.
Vitamin A Requirements for Adults. Adult men aged 19 and older should consume 900 micrograms of vitamin A per day. The daily requirement of the vitamin for adult women aged 19 and older is 700 micrograms.nfants up to 6 months need 400 micrograms of vitamin A per day, while infants between ages 7 months and 12 months require 500 micrograms per day.