Coenzyme Q10 (Ubiquinol/Ubiquinone)
Heart health & metabolismFunction & benefits
A vital fat-soluble antioxidant found in the mitochondria of heart and muscle cells to produce cellular energy (ATP); it replenishes the levels that cholesterol-lowering statins reduce.
Dosage & how to use
| Recommended dose | 100–200 mg daily (the active ubiquinol form is preferred after age 40) |
| Best time to take | With a fatty meal for maximum absorption, and not close to bedtime |
| Frequency | Once daily |
Important warnings
Safe at doses up to 300 mg
Take it well before bedtime to avoid mild insomnia in some people
Drug interactions
It is structurally similar to vitamin K; it may reduce the effect of the blood thinner warfarin and raise the risk of clotting, so the INR must be checked. It may lower blood pressure and blood sugar further.
Scientific references
- Cochrane Database of Systematic Reviews 2014: Coenzyme Q10 for heart failure
- NIH NCCIH: Coenzyme Q10
Related supplements
- Daily MultivitaminsGeneral health & immunity
- Omega-3 Fish OilGeneral & heart health
- Vitamin D3 (Cholecalciferol)General health & bones
- Magnesium (Glycinate/Citrate)General health & nerves
Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)
⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.