Nutrition
CoQ10: what it is and who it is actually for
CoQ10 gets searched constantly and explained badly. It is one of the few supplements where the interesting question is not "does it do something" but "are you short of it in the first place".
What CoQ10 does
Coenzyme Q10 is a member of the ubiquinone family. The name comes from "ubiquitous", because these compounds turn up throughout the body. It plays a central role in mitochondrial oxidative phosphorylation, which is the process that produces the ATP your cells run on, and it functions as an antioxidant in cell membranes and lipoproteins.
Because you make it yourself, it is not classed as a vitamin. That distinction matters for how you should think about supplementing it: you are not correcting a dietary gap the way you might with vitamin D in a Canadian winter.
Are you actually short of it?
For most healthy people, probably not. The Linus Pauling Institute’s position is that endogenous synthesis and dietary intake together provide enough CoQ10 to prevent deficiency in healthy people, though concentrations in tissues do decline with age.
It also notes that oral supplementation raises CoQ10 concentrations in plasma and lipoproteins, but that it is unclear whether concentrations inside peripheral tissues rise correspondingly. In plain terms: the supplement measurably increases what is in your blood, and whether that translates into more where it is used is a harder question.
I would rather you read that and decide than have me skip it.
The statin question
This is why a large share of people search CoQ10 at all, so it deserves a straight answer.
Statins reduce circulating CoQ10 concentrations. That much is established and not controversial. The step people then take, that this shortfall causes the muscle symptoms some statin users experience and that supplementing fixes them, is the step the evidence does not currently support. The Linus Pauling Institute states directly that there is no evidence the decrease causes adverse side effects in statin-treated patients.
If you take a statin and you are having symptoms, tell your doctor. Do not quietly add a supplement and hope. That is not me being cautious for legal reasons, it is that the alternative can delay you getting something looked at.
Absorption, and why the format matters here
CoQ10 is fat-soluble. Taking it with a meal containing some fat is the standard advice, and formats that suspend it in an oil are built around that same principle.
This is one of the few places where the delivery format is a real consideration rather than marketing, because a fat-soluble compound taken dry on an empty stomach is being set up to fail.
What I carry
CoQHeart is the CoQ10 product. Cholesterol Reduction Complex sits in the same heart-targeted line and is a different formula, so do not assume they are interchangeable.
This page is general information, not medical advice. Talk to your healthcare provider before starting any new supplement, especially if you are pregnant, nursing, or taking medication.
Questions people actually ask
What does CoQ10 do?
Coenzyme Q10 plays a central role in mitochondrial energy production and functions as an antioxidant in cell membranes and lipoproteins. Your body synthesises it, so it is not classed as a vitamin.
Should I take CoQ10 if I am on a statin?
Ask your doctor. Statins do lower circulating CoQ10, but the Linus Pauling Institute states there is no evidence this causes adverse side effects in statin-treated patients. If you are having symptoms on a statin, that is something to raise with your prescriber rather than manage with a supplement.
Do healthy people need a CoQ10 supplement?
For most healthy people, the body’s own production plus diet is considered enough to prevent deficiency, though tissue levels decline with age. Supplementation raises blood concentrations, but whether it raises levels inside tissues is less clear.
When should I take CoQ10?
With a meal that contains some fat, because CoQ10 is fat-soluble. Formats that suspend it in oil are designed around the same principle.
Still deciding? Ask me directly.
I would rather answer a real question than have you guess from a web page. Call, email, or send a note and you get me, not a call centre.