Jarrow Ubiquinol QH-Absorb 200mg
Best for: comparing a ubiquinol option listed in the CoQ10 guide
CoQ10 Dose Calculator
Choose a context to see a commonly studied CoQ10 amount. Heart-failure dosing is a discussion for your cardiologist, not a self-treatment plan.
How to read your result
- Start with Your dose and How to split; this is a comparison point, not a prescription.
- Check the Evidence range / upper limit and safety cautions.
- Weight, age and sex are not dose inputs unless the result explicitly says they are.
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Your dose
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How to split
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Evidence range / upper limit
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Evidence grade A
Medication & safety cautions
- CoQ10 may affect warfarin response and may lower blood pressure or blood sugar; discuss it with your prescriber and monitor as advised.
How this estimate works
General: 100 mg/day. Statin context: 200 mg/day (2 × 100 mg). Heart failure: 300 mg/day (3 × 100 mg) only in a cardiologist-managed plan. Take with a fat-containing meal. Trials have used 100–300 mg/day; amounts up to 1,200 mg were tolerated in studies, not a suggested target.
Key studies
- Mortensen et al. 2014 — JACC: Heart Failure · Q-SYMBIO randomized trial
- Qu et al. 2018 — Journal of the American Heart Association · statin-associated muscle symptoms meta-analysis
- Fan et al. 2017 — Pharmacological Research · randomized-trial meta-analysis
CoQ10 buying guide · Intervention evidence
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Life Extension Super Ubiquinol CoQ10 200mg
Best for: comparing a CoQ10 product with PQQ listed in the guide
Qunol Mega Ubiquinol 100mg
Best for: comparing an ubiquinol option listed in the guide
Frequently asked questions
Should I take CoQ10 with a statin?
Evidence for routine use to prevent statin symptoms is mixed. Talk with your prescriber before adding it or changing a statin.
Can I use the heart-failure amount on my own?
No. The 300 mg amount comes from a clinical heart-failure trial and is for discussion with a cardiologist, not self-treatment.
Does CoQ10 need to be taken with food?
The guide recommends taking it with a fat-containing meal. Follow the specific product label and your clinician's instructions.
Educational tool, not medical advice. Check with your doctor, especially if you take medication.