Is CoQ10 worth taking if I'm healthy?

For otherwise healthy adults with a balanced diet, the everyday benefit is often modest. CoQ10 tends to matter most for people with low levels, those on statins, or specific conditions. It's reasonable to try, but manage expectations.

What's the difference between ubiquinol and ubiquinone?

Ubiquinone is the oxidised form and ubiquinol is the reduced form. Ubiquinol is generally absorbed more efficiently, which can matter more as you get older. Your body converts between the two.

How much CoQ10 should I take?

Studies commonly use 100–200 mg per day, split across meals. Some heart-focused trials use higher doses under medical supervision. Follow the product label and your clinician's guidance.

When is the best time to take CoQ10?

With a meal that contains some fat, since CoQ10 is fat-soluble. Splitting the dose between morning and evening can help maintain steadier levels through the day.

Are there any side effects or interactions?

It's usually well tolerated; mild stomach upset, nausea or headache can occur. Importantly, CoQ10 may reduce the effect of warfarin and other blood thinners, so check with your GP or pharmacist first if you take anticoagulants, are pregnant or breastfeeding. [5]

CoQ10 Review: Benefits, Dosage & Evidence