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Hypervitaminosis is a condition of abnormally high storage levels of vitamins, which can lead to various symptoms as over excitement, irritability, or even toxicity. Specific medical names of the different conditions are derived from the given vitamin involved: an excess of vitamin A, for example, is called hypervitaminosis A.
Symptoms may also be dependent on the form of vitamin B 6 taken in supplements. [27] [35] It has been proposed that vitamin B 6 in supplements should be in pyridoxal or pyridoxal phosphate form rather than pyridoxine as these are thought to reduce the likelihood of toxicity.
Vitamin A toxicity is known to be an ancient phenomenon; fossilized skeletal remains of early humans suggest bone abnormalities may have been caused by hypervitaminosis A, [21] as observed in a fossilised leg bone of an individual of Homo erectus, which bears abnormalities similar to those observed in people suffering from an overdose of ...
Other symptoms could include severe headaches and muscle or coordination problems. ... an overdose of vitamin A can lead to coma or even death — though most people recover with proper intervention.
Low levels of vitamin D have also been linked to depression, with studies finding that supplementing vitamin D helped reduce depressive symptoms in adults with depression. However, supplementation ...
“More serious symptoms can include stupor, coma, kidney stones, stomach ulcers, nausea, vomiting and diarrhea, and cardiac arrhythmias.” While vitamin D toxicity is rare, it’s a good idea to ...
Symptoms appear several months after excessive doses of vitamin D are administered. A mutation of the CYP24A1 gene can lead to a reduction in the degradation of vitamin D and thus to vitamin toxicity without high oral intake (see Vitamin D: Excess). Symptoms of vitamin D toxicity may include the following: [2] Dehydration; Vomiting; Diarrhea
You could experience vitamin toxicity. The vitamins to worry about are the fat-soluble kind: Vitamins A, D, E, and K. They’re a little tougher to digest and absorb, so these nutrients can build ...