Is it beneficial to take coenzyme q10? Are there any side effects?

Yes. Coq10 is coenzyme q10 and helps the mitochondria produce atp (energy in the cells): it is very beneficial and it is mandatory to take it if one is on cholesterol lowing medications like statins. It helps prevent heart disease as well. There are no adverse side effects. It is obtained from oily meats and whole grains in our diets. http://www.preventive-health-guide.com/coq10.html = good info.