What is vitamin Q? 

Vitamin Q is another name for the coenzyme Q, also known as ubiquinone. It is an organic molecule similar in structure to vitamin K and vitamin E. 
Vitamin Q belongs to category of fat-soluble vitamins and may be stored in the body until it is needed. 

What is the role of vitamin Q?

Vitamin Q or coenzyme Q has antioxidant activity and helps provide energy to cells. It plays an important role in presence in cells of organs in the human body, such as the heart, liver, pancreas and kidneys.  
Vitamin Q also provides skin elasticity and bodily strength to overcome fatigue. 

Which foods are rich in vitamin Q?

Vitamin Q or coenzyme Q is present in many meats, especially liver, chicken, beef, and pork as well as in seafood. Fish such as tuna, salmon, sardines and mackerel are particularly rich in coenzyme Q. 
Vitamin Q is produced by the body and with aging or occurrence of chronic diseases such as heart disease, diabetes, cancer or Parkinson's disease, production decreases steadily.

What is the daily requirement of vitamin Q intake?

The daily requirement for vitamin Q or coenzyme Q ranges from 100 to 300 mg

Vitamin Q deficiency 

Lack of vitamin Q or coenzyme Q may result in cardiovascular problems. Often individuals who fall victim to heart disease have a low concentration of vitamin Q. 
Other side effects of vitamin Q deficiency include fatigue and respiratory problems

Excessive vitamin Q intake

There are no side effects caused by excessive vitamin Q intake. Excessive doses can be expelled from the body through urination.