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  2. Vitamin A - Wikipedia

    en.wikipedia.org/wiki/Vitamin_A

    Vitamin A toxicity also referred to as hypervitaminosis A, occurs when there is too much vitamin A accumulating in the body. Symptoms may include nervous system effects, liver abnormalities, fatigue, muscle weakness, bone and skin changes, and others. The adverse effects of both acute and chronic toxicity are reversed after consumption of high ...

  3. Retinol - Wikipedia

    en.wikipedia.org/wiki/Retinol

    The FDA recommends that pregnant women get their vitamin A from foods containing beta carotene and that they ensure that they consume no more than 5,000 IU of preformed vitamin A (if any) per day. Although vitamin A is necessary for fetal development, most women carry sufficient stores of vitamin A in their liver cells, [21] so over ...

  4. Hypervitaminosis A - Wikipedia

    en.wikipedia.org/wiki/Hypervitaminosis_A

    Hypervitaminosis A results from excessive intake of preformed vitamin A. Genetic variations in tolerance to vitamin A intake may occur, so the toxic dose will not be the same for everyone. [23] Children are particularly sensitive to vitamin A, with daily intakes of 1500 IU/kg body weight reportedly leading to toxicity. [21]

  5. Taking This Daily Vitamin Could Slash Dementia Risk By 40 ...

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

    How much vitamin D should I get per day? The recommended daily allowance of vitamin D varies by person. However, most adults should get 600 international units (IU) daily, ...

  6. 9 Foods That Are High in Vitamin A - AOL

    www.aol.com/news/9-foods-high-vitamin-175911719.html

    Vitamin A also supports the reproductive systems of men and women, research suggests. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  7. 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.

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