CoQ10
CoQ10 – definition and facts in our glossary. Levels decrease with age and statin treatment.
What is CoQ10?
Coenzyme Q10, also known as ubiquinone, is a fat-soluble antioxidant found in almost all cells of the body. CoQ10 is essential for cellular function and health, and it is particularly important for organs with high energy demands, such as the heart, liver, and kidneys.
How does it work in the body?
Scientific benefits
Several studies have demonstrated the potential health benefits of CoQ10. Here are some of the key ones:
- Neurological health: Research suggests that CoQ10 may have neuroprotective properties, which could be beneficial in neurodegenerative diseases such as Parkinson's and Alzheimer's.
Dosage and recommendations
The recommended dose of CoQ10 varies depending on the individual's health status and the purpose of use. Generally, the dosage ranges between 100 mg and 200 mg per day. It is important to consult a doctor or dietitian before starting supplementation, especially if taking other medications, such as statins, which can affect CoQ10 levels in the body.
Best sources and forms
CoQ10 is found in several foods, but in relatively small amounts. Here are some of the best sources of CoQ10:
- Meat, especially beef and chicken
- Fatty fish such as salmon and mackerel
- Nuts and seeds, such as walnuts and sesame seeds
- Whole grain products
CoQ10 is also available as a dietary supplement in various forms, including capsules, tablets, and liquids.
Side effects and warnings
CoQ10 is generally considered safe for most people when taken at recommended doses. However, some side effects may occur, including:
- Digestive discomfort
- Nausea
- Headache
- Dizziness
It is also important to note that CoQ10 can interact with certain medications, including blood thinners and statins. Therefore, it is crucial to discuss with a healthcare provider before starting supplementation, especially if you have underlying health conditions or are taking other medications.
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 easier for the body to absorb, making it a popular choice for supplements.
Can CoQ10 help with energy levels?
Is CoQ10 good for the heart?
Is it safe to take CoQ10 with statins?
CoQ10 levels can decrease during statin treatment. It is important to consult a doctor before taking CoQ10 alongside statins to ensure safety and proper dosing.

