Some experts say that a fact is common knowledge if it can be found in three independent sources. Purdueâs Online Writing Lab recommends finding five independent sources before considering a fact common knowledge. The point is that common knowledge can be found in a variety of sources.
VITAMIN D. Vitamin D and vitamin A are the most toxic of the fat-soluble vitamins. The symptoms of vitamin D toxicity are nausea, vomiting, pain in the joints, and loss of appetite. The patient may experience constipation alternating with diarrhea, or have tingling sensations in the mouth.
Fat-soluble vitamins are the more problematic part of vitamin toxicity because the vitamins will continue to be stored within your body and build up. Having too much these vitamins can cause a very toxic effect. Vitamin A and D are the most likely vitamins to produce vitamin toxicity.at-soluble vitamins are the more problematic part of vitamin toxicity because the vitamins will continue to be stored within your body and build up. Having too much these vitamins can cause a very toxic effect. Vitamin A and D are the most likely vitamins to produce vitamin toxicity.