Clinical recommendation	Evidence rating	References
Coenzyme Q10 may be used for slowing of functional decline in patients with Parkinson’s disease.	B	11,12
The evidence is too inconsistent to recommend use of coenzyme Q10 in symptomatic treatment of congestive heart failure.	B	19–22
Data are insufficient to recommend use of coenzyme Q10 for improved glycemic control in diabetes mellitus.	B	29–31