Coenzyme Q10
Ubiquinone; ubiquinol
Vitaminoid and related nutrients
Aliases / common names
CoQ10; ubiquinone; ubiquinol
Natural food sources
Organ meats, beef, sardines, mackerel, peanuts, soy and whole grains in small amounts.
Main wellness functions
Mitochondrial electron transport and antioxidant support; common in heart-energy and statin-support products.
Deficiency signs
Primary deficiency is rare; low status may be seen with aging, some diseases or statin therapy.
Recommended intake
No official RDA/AI has been established. Follow product labels and professional advice when used for specific goals.
Excess intake effects
May cause stomach upset, nausea, headache, insomnia or rash.
Contraindicated / caution groups
Use caution with warfarin, chemotherapy, blood-pressure medicines, pregnancy or surgery.
Common dosage forms
Softgels, capsules, gummies, emulsified liquids; ubiquinone or ubiquinol.
Common product strengths
30, 50, 100, 200 and 300 mg; ubiquinol often marketed as higher-absorption.
Use precautions
Take with fat-containing meals. Monitor anticoagulant control if applicable.
Supplement notes
Endogenously synthesized; not classified as an essential vitamin.
This information is for general nutrition education and product reference only. It does not replace medical diagnosis, treatment or individualized dietary advice.