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Side effects of vitamin A supplements are rare. Vitamin A toxicity is a rare concern associated with high levels of vitamin A over prolonged periods of time. Symptoms may include nausea, vomiting, headache, dizziness, irritability, blurred vision, and a lack of muscle coordination. [31]
The causes are vitamin A deficiency during pregnancy, followed by low transfer of vitamin A during lactation and infant/child diets low in vitamin A or β-carotene. [ 22 ] [ 19 ] The prevalence of pre-school age children who are blind due to vitamin A deficiency is lower than expected from incidence of new cases only because childhood vitamin A ...
Serum concentrations above 50 ng/mL may be cause for concern. Common, most foods do not contain vitamin D, indicating that a deficiency will occur unless people get sunlight exposure or eat manufactured foods purposely fortified with vitamin D. Vitamin D deficiency is a known cause of rickets, and has been linked to numerous other health problems.
Unbalanced dietary patterns in this age group also lead to low levels of omega-3 fatty acids and fiber. ... We researched nutrient needs specific to men over 50 and reviewed ingredients, doses ...
It can be literally life-giving, but so many people aren't getting enough of it.
"Vitamin B6 is needed to form red blood cells which carry oxygen and nutrients to all the different parts of our bodies, but too much vitamin B6 can contribute to neurological problems like poor ...
Chart showing a trend between obesity and diabetes over the years Overnutrition caused by overeating is also a form of malnutrition. In the United States, more than half of all adults are now overweight—a condition that, like hunger, increases susceptibility to disease and disability, reduces worker productivity , and lowers life expectancy ...
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