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27 cze 2024 · For adults age 50 and older, the recommended dietary intake of vitamin C is 90 mg / day for men and 75 mg / day for women, with an upper limit of 2,000 mg / day. This recommended intake generally does not increase as we get older.
Men Age 51+: If you are age 51–70, you need at least 15 mcg (600 IU) each day, but not more than 100 mcg (4,000 IU). If you are over age 70, you need at least 20 mcg (800 IU), but not more than 100 mcg (4,000 IU).
3 kwi 2021 · The vitamin and mineral requirements of people over 70 years old are similar to those of younger adults with a few exceptions: There is an increased daily need for vitamin D (rising to 800 IU from 600 IU, or 20 mcg from 15 mcg) and for calcium (rising to 1,200 mg from 1,000 mg, although, for women, this increase begins at age 51.)
2 gru 2019 · Vitamin C supplements should meet the RDA and stay well below the established UL — 400 for young children, 1,200 mg for kids aged 9–13, 1,800 mg for teens, and 2,000 mg for adults.
Calcium: Women over age 50 need 1,200 mg (milligrams) each day. Men need 1,000 mg between age 51 and 70 and 1,200 mg after 70, but not more than 2,000 mg a day. Vitamin D: 600 IU (International Units) for people age 51 to 70 and 800 IU for those over 70, but not more than 4,000 IU each day.
5 maj 2023 · The recommended vitamin C dosage per day for healthy women is 75 mg per day and for men it's 90 mg per day. For adults, the tolerable upper intake level (UL) — the highest daily intake likely to pose no risks — is 2,000 mg per day.
Introduction. Vitamin C, also known as L-ascorbic acid, is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement. Humans, unlike most animals, are unable to synthesize vitamin C endogenously, so it is an essential dietary component [1].
