Detailed reviews on occurrence of CoQ and dietary intake were published in 2010. Besides the endogenous synthesis within organisms, CoQ also is supplied by various foods. CoQ concentrations in various foods are:
Vegetable oils, meat and fish are quite rich in CoQ levels. Dairy products are much poorer sources of CoQ than animal tissues. Among vegetables, broccoli and cauliflower are good sources of CoQ. Most fruit and berries are poor sources of CoQ, with the exception of avocados, which have a relatively high oil and CoQ content.