Coenzyme Q10 (CoQ10) is a substance that' s found naturally in the body and helps convert food into energy. CoQ10 is found in almost every cell in the body, and it is a powerful antioxidant.
Antioxidants fight damaging particles in the body known as free radicals, which damage cell membranes, tamper with DNA, and even cause cell death. Scientists believe free radicals contribute to the aging process, as well as a number of health problems, including heart disease and cancer. Antioxidants, such as CoQ10, can neutralize free radicals and may reduce or even help prevent some of the damage they cause.
Some researchers believe that CoQ10 may help with heart-related conditions, because it can improve energy production in cells, prevent blood clot formation, and act as an antioxidant.
Immune System Function
Like the cardiovascular system, the immune system has high metabolic needs and therefore requires sufficient levels of CoQ10 for optimal function. Drs. Gaby and Mischley explain that CoQ10 stimulates immunity by increasing the activity of the immune system cells, macrophages and granulocytes. This increase in immune cell activity works to counter microbial infections. Also, CoQ10 may be helpful to slow the aging process, which often coincides with decreased immune function. Drs. Gaby and Mischley suggest that CoQ10 may also be a helpful in treating and preventing cancer, by shrinking tumors and inhibiting their growth. Of course, individuals with cancer or any other health condition should consult their doctor for a well-rounded treatment plan that may or may not include CoQ10 supplementation.
Antioxidant Protection
CoQ10 is a powerful antioxidant. Antioxidants are substances that neutralize free radicals -- substances that form both from internal metabolism and external toxin exposure and cause damage to cells. In other words, antioxidants protect the body's cells from harm and help repair existing damage. According to Drs. Gaby and Mischley, free radical formation is implicated in a number of diseases, such as asthma, heart disease, Parkinson disease, gastric ulcers and infertility. Optimizing CoQ10 levels in the body may be a useful adjunct in treating these diseases, by optimizing cellular energy and minimizing harm to the tissues and organs. In addition to supplementation, CoQ10 is also available from the diet, especially from oily fish, organ meats and whole grains.
Cardiovascular health:
Cardiovascular health:
Some studies suggest that coenzyme Q10 supplements, either by themselves or in with other drug therapies, may help prevent or treat the following conditions:
After Heart Attack
One clinical study found that people who took daily CoQ10 supplements within 3 days of a heart attack were less likely to have subsequent heart attacks and chest pain. They were also less likely to die of heart disease than those who did not take the supplements. Anyone who has had a heart attack should talk with their health care provider before taking any herbs or supplements, including CoQ10.
Heart failure (HF)
There' s evidence that CoQ10 may help treat heart failure when combined with conventional medications. People who have congestive heart failure, where the heart isn' t able to pump blood as well as it should may also have low levels of CoQ10. Heart failure can cause blood to pool in parts of the body, such as the lungs and legs. It can also cause shortness of breath. Several clinical studies suggests that CoQ10 supplements help reduce swelling in the legs; reduce fluid in the lungs, making breathing easier; and increase exercise capacity in people with heart failure. But not all studies are positive -- some find no effect -- so using CoQ10 for heart failure remains controversial. CoQ10 should never be used by itself to treat heart failure, and you should ask your health care provider before taking it for this condition.
High blood pressure
Several clinical studies involving small numbers of people suggest that CoQ10 may lower blood pressure. However, it may take 4 - 12 weeks to see any change. In one analysis, after reviewing 12 clinical studies, researchers concluded that CoQ10 has the potential to lower systolic blood pressure by up to 17 mm Hg and diastolic blood pressure by 10 mm Hg, without significant side effects. More research with greater numbers of people is needed. Don' t try to treat high blood pressure by yourself -- see your health care provider for treatment.
High cholesterol
People with high cholesterol tend to have lower levels of CoQ10, so CoQ10 has been proposed as a treatment for high cholesterol, but so far there' s no evidence whether it works or not. There is some evidence it may reduce side effects from conventional treatment with cholesterol-lowering drugs called statins, which reduce natural levels of CoQ10 in the body. Taking CoQ10 supplements can bring levels back to normal. Plus, studies show that CoQ10 may decrease the muscle pain associated with statin treatment. Ask your health care provider if you are interested in taking CoQ10 with statins.
Diabetes
CoQ10 supplements may improve heart health and blood sugar and help manage high blood pressure in people with diabetes. Two studies found that 100 mg of CoQ10 twice daily improved A1c levels, a measure of long-term blood sugar control. But another study found no effect. If you have diabetes, talk to your doctor or registered dietitian before using CoQ10.
Heart damage caused by chemotherapy
Several clinical studies suggest that CoQ10 may help prevent heart damage caused by certain chemotherapy drugs, adriamycin, or other athracycline medications. More studies are needed, however. Talk to your health care provider before taking any herbs or supplements if you are undergoing chemotherapy.
Heart surgery
Clinical research indicates that introducing CoQ10 prior to heart surgery, including bypass surgery and heart transplantation, can reduce damage caused by free radicals, strengthen heart function, and lower the incidence of irregular heart beat (arrhythmias) during the recovery phase. You shouldn' t take any supplements before surgery unless your health care provider approves.
Other
Gum (Periodontal) disease
Gum disease is a common problem that causes swelling, bleeding, pain, and redness of the gums. Clinical studies show that people with gum disease tend to have low levels of CoQ10 in their gums. A few studies with small numbers of people found that CoQ10 supplements led to faster healing and tissue repair, but the studies were not well designed. More research is needed.
Preliminary clinical studies also suggest that CoQ10 may:
- Improve immune function in people with HIV or AIDS
- Increase sperm motility, improving male fertility
- Be used as part of the treatment for Parkinson's disease
- Improve exercise ability in people with angina
- Help prevent migraines
Scientific studies are needed to see whether CoQ10 can be safely and effectively used for these health problems and needs.
Dietary Sources:
Primary dietary sources of CoQ10 include oily fish (such as salmon and tuna), organ meats (such as liver), and whole grains.
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