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She urges caution because vitamin D can build up to toxic levels if taken in excess for too long. ... Excess calcium buildup can also cause symptoms such as: nausea. ... 2-3 times a week,” he said.
They also had a serum 25-hydroxy vitamin D level between 10 and 30 ng/mL, which indicates either “insufficient” vitamin D levels (below 30/mL) or vitamin D deficiency (below 20 ng/mL).
People with obesity and high blood pressure got the best results. Better calcium regulation may be one of the main reasons for this effect. Before supplementing with vitamin D, people should get ...
Vitamin D toxicity, or hypervitaminosis D, is the toxic state of an excess of vitamin D. The normal range for blood concentration of 25-hydroxyvitamin D in adults is 20 to 50 nanograms per milliliter (ng/mL).
Hypovitaminosis D has been associated with many neurological conditions. However, an actual mechanism of action for each of the conditions has yet to be solidified. Many researchers have questioned whether the depletion of vitamin D actually causes these disorders or if vitamin D deficiency is a symptom of these disorders. [medical citation needed]
The US Recommended Dietary Allowance for vitamin C for adult women is 76 mg/day and for adult men 90 mg/day. Although Linus Pauling was known for highly respectable research in chemistry and biochemistry, he was also known for promoting the consumption of vitamin C in large doses. [ 25 ]
Taking a dose of 3,320 International Units (IU) of vitamin D per day was associated with benefits such as blood pressure, cholesterol, and fasting blood glucose, according to a meta-study.
This condition can be caused by vitamin D, calcium or phosphorus deficiency. [87] Vitamin D deficiency remains the main cause of rickets among young infants in most countries because breast milk is low in vitamin D, and darker skin, social customs, and climatic conditions can contribute to inadequate sun exposure.