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  2. Reference Daily Intake - Wikipedia

    en.wikipedia.org/wiki/Reference_Daily_Intake

    The recommended maximum daily intake of sodium – the amount above which health problems appear – is 2,300 milligrams per day for adults, about 1 teaspoon of salt (5.9 g). The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13]

  3. 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]

  4. Dietary Reference Intake - Wikipedia

    en.wikipedia.org/wiki/Dietary_Reference_Intake

    Tolerable upper intake levels (UL), to caution against excessive intake of nutrients (like vitamin A and selenium) that can be harmful in large amounts. This is the highest level of sustained daily nutrient consumption that is considered to be safe for, and cause no side effects in, 97.5% of healthy individuals in each life stage and sex group.

  5. How can I get a safe amount of vitamin D? - AOL

    www.aol.com/finance/dark-side-daily-vitamin-d...

    Coroner’s records show the 89-year-old had taken NaturPlus UK vitamin D supplements for at least nine months before his death. ... may have a maximum 4,000 IU (100 mcg) of vitamin D per day ...

  6. Vitamin - Wikipedia

    en.wikipedia.org/wiki/Vitamin

    Most vitamins that are sold as dietary supplements are not supposed to exceed a maximum daily dosage referred to as the tolerable upper intake level (UL or Upper Limit). Vitamin products above these regulatory limits are not considered supplements and should be registered as prescription or non-prescription ( over-the-counter drugs ) due to ...

  7. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    Severe vitamin B 12 deficiency is initially corrected with daily intramuscular injections of 1000 μg of the vitamin, followed by maintenance via monthly injections of the same amount or daily oral dosing of 1000 μg. The oral daily dose far exceeds the vitamin requirement because the normal transporter protein-mediated absorption is absent ...