CoQ10 and Statins in NZ: What to Ask Before Adding a Supplement

You may have seen the sentence that statins lower CoQ10. It sounds like a simple problem with a simple fix: if a medicine lowers something the body uses, perhaps you should replace it. The first part is supported by research, but the conclusion moves faster than the evidence.

Statins can lower circulating CoQ10, but that does not mean every person taking a statin needs a CoQ10 supplement. Research on whether supplementation helps statin-related muscle symptoms remains inconsistent, and current major guidance does not recommend routine CoQ10 use for that purpose.

If muscle aches or weakness are part of the reason you are looking at CoQ10, it helps to separate two questions. First, what is going on with the symptoms? Second, if adding CoQ10 is considered suitable, which supplement format makes sense for you?

The first part of the claim is real: statins can lower circulating CoQ10

Statins work by inhibiting HMG-CoA reductase, an enzyme early in the mevalonate pathway. That pathway is involved not only in cholesterol production, but also in making intermediary compounds used in the body's own production of CoQ10.

A 2018 updated meta-analysis looked at 12 randomised controlled trials involving 1,776 participants. Compared with placebo, statin treatment was associated with lower circulating CoQ10. The finding was seen across different statin types and intensities in the analysis.

That matters because it confirms there is a real biological change to discuss. It does not prove that every statin user develops a harmful CoQ10 deficiency inside muscle tissue, and it does not prove that replacing CoQ10 will fix muscle symptoms.

The next step in the story is where the evidence becomes less certain

There is a sensible reason researchers have kept looking at CoQ10. CoQ10 helps move electrons through the mitochondrial respiratory chain, which is part of how cells produce energy. Statins can reduce circulating CoQ10. Some people taking statins report muscle aches, pain or weakness.

Put those facts together and the hypothesis is plausible: perhaps lower CoQ10 contributes to muscle symptoms, and perhaps supplementation could help.

But plausible is not the same as proven. Muscle symptoms are common and can have many causes. Blood CoQ10 is also not the same thing as CoQ10 status inside muscle. Research has not established a simple chain where lower circulating CoQ10 reliably causes statin-related muscle pain and a supplement reliably reverses it.

That is why the evidence can sound positive in one headline and still fall short of a general recommendation.

A 2025 analysis found a signal worth noticing

A 2025 systematic review and meta-analysis in the Journal of Nutritional Science brought together seven randomised controlled trials with 389 participants. The trials lasted from 30 to 90 days. The research used CoQ10 amounts ranging from 100 to 600 mg per day, but those study amounts should not be read as personal dosage advice.

Four of the seven trials reported significant reductions in muscle-pain intensity, while three did not. When the researchers pooled the results using a random-effects model, they found a weighted mean difference of -0.96, with a 95% confidence interval from -1.88 to -0.03.

That pooled result was statistically significant, so it is understandable that more optimistic headlines now appear when you search CoQ10 and statins.

The limitations matter too. The trials were small, all were single-centre studies, none ran longer than 90 days, and the pooled analysis had high heterogeneity. The authors themselves called for larger, better-designed studies. In other words, the 2025 paper adds a positive signal, but it does not turn an uncertain area into settled advice.

Why the 2026 guideline still does not recommend routine CoQ10

The current 2026 ACC/AHA dyslipidaemia guideline directly addresses this question. Its recommendation is clear: routine use of coenzyme Q10 is not recommended to treat or prevent statin-attributed muscle symptoms.

The guideline also explains why. Although some analyses suggest a small benefit, the overall body of evidence does not support routine CoQ10 supplementation for people treated with statins or for treatment of statin-attributed muscle symptoms.

That is not a case of an old guideline missing newer research. This is current 2026 guidance. The practical lesson is that one statistically positive meta-analysis can be worth noticing without becoming a universal recommendation for everyone taking a statin.

Muscle symptoms are a separate question from supplement shopping

Healthify NZ notes that some people report muscle aches, pains or weakness while taking statins, but these symptoms are common for other reasons too and are not always caused by the statin.

If muscle symptoms start after you begin a statin, become troublesome, or are severe, the useful next step is assessment by a healthcare provider. That gives you a chance to look at the timing, severity, other medicines and supplements, physical activity, and other possible causes rather than assuming CoQ10 depletion is responsible.

Do not stop, reduce, pause or switch a prescribed statin on your own. Keep taking it as directed unless your prescriber changes it. CoQ10 is not a substitute for having unexplained or significant muscle symptoms assessed.

Where our CoQ10 shelf starts after the medicine question is settled

We carry CoQ10 because people use it for a range of supplement and wellness reasons, and our job is to make the shelf easier to understand. You can browse our wider CoQ10 collection when you want to see the current range in one place.

When prescription medicines are involved, the first question is suitability. Once you have established with an appropriate health professional that adding CoQ10 is suitable, we can help you compare what is actually on the label.

That includes standard CoQ10 and ubiquinol, plus differences in strength, capsule or softgel format, delivery features, and plain formulas versus blends. None of those categories is automatically the right choice just because you take a statin.

Three questions worth asking before you add a bottle

Could my muscle symptoms have another cause?

That is worth establishing before assuming lower CoQ10 is responsible. Muscle pain and weakness can happen for many reasons, and Healthify NZ specifically notes that symptoms reported while taking a statin are not always caused by the medicine.

Is adding CoQ10 appropriate with everything else I take?

Give your pharmacist, prescriber or appropriate health professional the full picture, including prescription medicines, over-the-counter medicines and supplements. Suitability depends on more than one medicine name.

If CoQ10 is suitable, what should I compare on the label?

This is where form, strength, added ingredients, directions and precautions become useful. Our CoQ10 dosage and strength comparison can help you read those differences without turning research amounts into a personal recommendation.

If you get the go-ahead, compare the supplement rather than the medical claim

Once supplementation has been considered suitable for you, the shopping question becomes much more practical. You are no longer trying to prove a medical claim from a bottle. You are comparing current formats and formulations against your preferences and the advice you have been given.

If you want a straightforward option, browse our standard CoQ10 range. If you specifically want the reduced form, browse our ubiquinol range. If you want to see both forms and blended formulas together, start with our full CoQ10 collection.

Look at the form, strength, capsule or softgel format, delivery features, added ingredients, label directions and precautions. There is no need to pick a strength simply because you take a statin.

Common questions

Should I take CoQ10 with a statin?

Not automatically. Statins can lower circulating CoQ10, but current major guidance does not recommend routine CoQ10 supplementation for statin-attributed muscle symptoms. If you are considering it, ask your prescriber or pharmacist whether it is appropriate for you.

Do statins lower CoQ10?

Yes. Randomised-trial evidence shows that statin treatment can reduce circulating CoQ10. That blood-level change does not by itself prove that you have harmful CoQ10 deficiency in muscle or that you need a supplement.

Does lower CoQ10 mean I need a supplement?

No. A lower circulating level is one part of the story, not an automatic reason to supplement. Whether CoQ10 is suitable depends on your symptoms, medicines, supplements and professional advice.

Can CoQ10 help statin-related muscle aches?

The evidence is mixed. A 2025 meta-analysis found a pooled reduction in pain intensity, but the seven trials were small and highly heterogeneous, and three of the seven did not find a significant reduction. The 2026 ACC/AHA guideline still does not recommend routine CoQ10 for statin-attributed muscle symptoms.

Is CoQ10 safe to take with statins?

Do not assume a supplement is suitable just because it is available over the counter. A pharmacist, prescriber or other appropriate health professional should check CoQ10 against your full medication and supplement list before you add it.

What should I ask my pharmacist before taking CoQ10?

Ask whether your muscle symptoms need assessment, whether CoQ10 is appropriate with everything else you take, and what form, strength, added ingredients, directions and precautions you should compare if supplementation is suitable.

Should I stop my statin if I get muscle pain?

Do not stop, reduce, pause or switch a prescribed statin on your own. Keep taking it as directed unless your prescriber changes it, and raise unexplained, troublesome or severe muscle symptoms with your healthcare provider.

Which CoQ10 form should I compare if a health professional says it is suitable?

You can compare standard CoQ10 and ubiquinol, then look at strength, capsule or softgel format, delivery features, added ingredients, label directions and precautions. Statin use alone does not make one form the automatic best choice.

Next steps

Keep taking prescribed medication as directed unless your prescriber changes it. Raise unexplained, troublesome or severe muscle symptoms with your prescriber, pharmacist or another appropriate health professional.

If adding CoQ10 has been established as suitable, compare our current options by form, formulation, label directions and practical fit.

References

• Qu H, Meng Y, Chai H, et al. The effect of statin treatment on circulating coenzyme Q10 concentrations: an updated meta-analysis of randomized controlled trials. European Journal of Medical Research, 2018. View research.
• Kovacic S, Habicht SD, Eckert GP. Effects of coenzyme Q10 supplementation on myopathy in statin-treated patients: a systematic review and meta-analysis. Journal of Nutritional Science, 2025. View research.
• Blumenthal RS, Morris PB, et al. 2026 ACC/AHA guideline on the management of dyslipidemia. Journal of the American College of Cardiology, 2026. View guideline.
• Healthify NZ. Statins. Read NZ guidance.