Q10 (CoQ10) is a substance similar to a vitamin. It is found in every cell of
the body. Your body makes CoQ10, and your cells use it to produce energy your
body needs for cell growth and maintenance. It also functions as an
antioxidant, which protects the body from damage
caused by harmful molecules. CoQ10 is naturally present in small amounts in a
wide variety of foods, but levels are particularly high in organ meats such as
heart, liver, and kidney, as well as beef, soy oil, sardines, mackerel, and
Caregiver burnout is a state of physical, emotional, and mental exhaustion that may be accompanied by a change in attitude -- from positive and caring to negative and unconcerned. Burnout can occur when caregivers don't get the help they need, or if they try to do more than they are able -- either physically or financially. Caregivers who are "burned out" may experience fatigue, stress, anxiety, and depression. Many caregivers also feel guilty if they spend time on themselves rather than on their...
If you have heart failure, talk
to your doctor before you take any supplement. There's no strong evidence that
vitamins or other supplements can help treat heart
They are used along with medical heart failure treatments, not instead of treatment.
But you may still hear
about CoQ10 supplements and heart failure. CoQ10 has not been shown definitely to relieve heart
failure symptoms. Only some of the studies of coenzyme Q10 showed that it helps heart
In 1961, scientists saw that people with
cancer had little CoQ10 in their blood. They found low CoQ10 blood levels in
people with myeloma,
lymphoma, and cancers of the breast, lung, prostate,
pancreas, colon, kidney, and head and neck. Some research has suggested that
CoQ10 helps the
immune system and may be useful as a secondary
treatment for cancer.
CoQ10 may keep the antitumor drug doxorubicin from hurting the
Three studies examined the use of CoQ10 along with conventional
treatment for cancer. The three studies contained a total of 41 women with
breast cancer. In each study, the women improved.
But the National Cancer Institute (NCI) rates the strength
of the evidence for CoQ10 and cancer as weak.2
Research does not
support a helpful effect of CoQ10 in periodontal (gum) disease, muscular
dystrophy, or exercise recovery.
Is CoQ10 safe?
Taking 100 mg a day or more of CoQ10 has caused mild
insomnia in some people. And research has detected
elevated levels of liver enzymes in people taking doses of 300 mg per day for
long periods of time. Liver toxicity has not been reported.