CoQ10 (Heart)

What is CoQ10 (Heart)?

Coenzyme Q10, often abbreviated as CoQ10, is a naturally occurring antioxidant that plays a crucial role in energy production within the body's cells. It is especially important for the heart, which is the body's most energy-demanding organ. CoQ10 is found in almost all cells of the body, but the concentration is particularly high in the heart muscle. Levels of CoQ10 decrease with age, which can negatively affect heart health.

How does it work in the body?

CoQ10 primarily functions by assisting in the production of adenosine triphosphate (ATP), which is the primary energy source for cells. Without sufficient CoQ10, the heart and other organs may struggle to function optimally. In addition to supporting energy production, CoQ10 also has antioxidant properties, meaning it helps neutralise free radicals and protect cells from damage.

Scientific benefits

Several studies have demonstrated the potential benefits of CoQ10 for the heart:

• Improved heart function: Research has shown that CoQ10 can improve heart function in people with heart failure. A study published in The American Journal of Cardiology showed that patients receiving CoQ10 had a significant improvement in the heart's pumping ability.
• Blood pressure regulation: A meta-analysis of studies published in the Journal of Clinical Hypertension showed that CoQ10 may help lower blood pressure in people with hypertension.
• Reduction of oxidative stress: CoQ10 has been shown to reduce oxidative stress in the body, which is a factor contributing to cardiovascular diseases. A study in The Journal of Nutritional Biochemistry reported that CoQ10 supplementation decreased levels of harmful free radicals.

Dosage and recommendations

The recommended dose of CoQ10 varies depending on individual needs and health conditions. Typically, a dose between 100 mg and 300 mg per day is recommended. It is always best to consult a doctor or dietitian before starting supplementation, especially if you have an underlying condition or are taking medications.

Best sources and forms

CoQ10 is available in several forms, including:

• Ubiquinone: The most common form of CoQ10, which the body can convert into the active form.
• Ubiquinol: The reduced, active form of CoQ10 that is more bioavailable, meaning the body can absorb it more easily.

Foods rich in CoQ10 include meat (especially beef and chicken), fish, nuts, seeds, and certain vegetables such as spinach and broccoli. Supplements are a good option for those who want to increase their levels but find it difficult to get enough through diet.

Side effects and warnings

CoQ10 is generally considered safe for most people, but some may experience side effects, including:

• Nausea
• Diarrhoea
• Stomach pain
• Rash

It is important to note that CoQ10 can affect blood pressure and blood sugar levels, so individuals taking medications for these conditions should exercise caution and consult a doctor before starting supplementation.

Frequently asked questions

What is the difference between ubiquinone and ubiquinol?

Ubiquinone is the oxidised form of CoQ10, while ubiquinol is the reduced form. Ubiquinol is more bioavailable and better absorbed by the body.

Can CoQ10 help with heart failure?

Several studies have suggested that CoQ10 may improve heart function in people with heart failure, but it is important to consult a doctor before starting any supplementation.

Is CoQ10 safe for older adults?

Yes, CoQ10 is generally considered safe for older adults, but they should always consult their doctor to ensure it does not interfere with other medications or health conditions.

How long does it take to see effects from CoQ10?

The effects of CoQ10 can vary depending on the individual and dosage, but many report improvements within 2-12 weeks after starting supplementation.

Can I get enough CoQ10 from diet?

It is possible to obtain CoQ10 through diet, but the amounts are usually small, so supplementation may be necessary to reach therapeutic levels.