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  2. Dietary Reference Intake - Wikipedia

    en.wikipedia.org/wiki/Dietary_Reference_Intake

    Estimated Average Requirements (EAR), are expected to satisfy the needs of 50% of the people in that age group based on a review of the scientific literature. Recommended Dietary Allowances (RDA), the daily dietary intake level of a nutrient considered sufficient by the Food and Nutrition Board of the Institute of Medicine to meet the ...

  3. The Best Time to Take Your Vitamin C Supplement - AOL

    www.aol.com/best-time-vitamin-c-supplement...

    Mayo Clinic also notes that for most people, a healthy diet alone can supply enough vitamin C. “Aim to get at least 90 mg per day of vitamin C from food,” Blautner recommends. She suggests the ...

  4. Reference Daily Intake - Wikipedia

    en.wikipedia.org/wiki/Reference_Daily_Intake

    In the U.S. and Canada, the Reference Daily Intake (RDI) is used in nutrition labeling on food and dietary supplement products to indicate the daily intake level of a nutrient that is considered to be sufficient to meet the requirements of 97–98% of healthy individuals in every demographic in the United States.

  5. Vitamin C - Wikipedia

    en.wikipedia.org/wiki/Vitamin_C

    [56] [146] Vitamin C supplementation did not prevent age-related macular ... Oral intake of dietary supplements vitamin C in excess of requirements is poorly ...

  6. Taking This Daily Vitamin Could Help You Live Months Longer ...

    www.aol.com/lifestyle/taking-daily-vitamin-could...

    A new study found that omega-3 slowed biological aging by up to four months, with vitamin D and strength training boosting the effects: A neurologist explains.

  7. Vitamin C megadosage - Wikipedia

    en.wikipedia.org/wiki/Vitamin_C_megadosage

    Vitamin C megadosage is a term describing the consumption or injection of vitamin C (ascorbic acid) in doses well beyond the current United States Recommended Dietary Allowance of 90 milligrams per day, and often well beyond the tolerable upper intake level of 2,000 milligrams per day. [1]

  8. Human nutrition - Wikipedia

    en.wikipedia.org/wiki/Human_nutrition

    The Recommended Dietary Allowance (RDA) for vitamin B12 is 0.9-2.4 μg/day, while the estimated average requirement in the U.S. and Canada is 0.7-2 μg/day. Elderly individuals with plasma vitamin B12 levels below 148 pmol/L are considered severely deficient, and those with levels between 148 and 221 pmol/L are marginally deficient.

  9. Nutrition facts label - Wikipedia

    en.wikipedia.org/wiki/Nutrition_facts_label

    A sample nutrition facts label, with instructions from the U.S. Food and Drug Administration [1] Nutrition facts placement for two Indonesian cartons of milk The nutrition facts label (also known as the nutrition information panel, and other slight variations [which?]) is a label required on most packaged food in many countries, showing what nutrients and other ingredients (to limit and get ...

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