Many people have begun taking CoQ10 supplements for various reasons. Research has shown this coenzyme is effective in preventing Heart disease, toxin overload and a host of other health problems. Unfortunately, there are also a lot of false claims associated with this supplement. Here is a look at some of the proven benefits for those who are interested in adding CoQ10 to their daily regimen.Heart diseaseSeveral heart surgeons and chemists have discovered and verified a relationship between a person's risk of hearth disease and the levels of CoQ10 in the bloodstream. Those with low levels are more likely to suffer from cardiovascular ailments. Japanese doctors prescribed CoQ10 to their heart disease patients and saw improvements in most cases. It is safe to say that CoQ10 is a good supplement for those looking to reduce their risk of heart attack and stroke.If you are looking to reduce your risk of heart disease, there is no substitute for a healthy diet and exercise; however, supplements like CoQ10 may provide added benefits. Use in athletesPeople who are very active tend to deplete the levels of CoQ10 in their blood. Thus, when athletes take CoQ10 supplements, they see an increase in performance and recovery time. People with muscular disorders often take the supplement for the same reason.As an antioxidantCoQ10 is an antioxidant, which means it absorbs potentially-harmful free radicals in the body. This has several effects. First off, it can make skin and other tissues age more slowly. It can also reduce the instance of infection and help ward off colds and the flu, although these effects are not dramatic.Taking a CoQ10 supplement is a good choice for those who want to lower their risk of heart disease. This supplement is by no means magical, but it can have some positive effects in the body.