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.
Vitamins can be divided into water-soluble and fat-soluble. compounds. Fat soluble vitamins. stored in fat tissues in the body. you can build up a reserve for later use. they can also be toxic if you take too much. Water soluble vitamins. dissolve in body fluids.