The coenzyme Q10 liposome: how absorption actually works
- , by SANUSq Research team
- 12 min reading time
Your body makes coenzyme Q10 and then, from around the age of twenty, the amount produced is in a steady decline, so the number printed on a supplement label matters far less than how much of it survives the journey into your bloodstream.
What coenzyme Q10 actually does
Coenzyme Q10 (CoQ10) is not a vitamin. Vitamins, by definition, are organic micronutrients that human cells cannot synthesise in sufficient quantities to survive, requiring external intake (Morris and Mohiuddin, 2023). CoQ10, by contrast, is synthesised inside your own cells through a long biochemical pathway — known as the mevalonate pathway — and a healthy body produces most of what it needs.
The CoQ10 sits in the inner membrane of the mitochondria, the compartments inside each cell where energy is generated. There it works as a shuttle, carrying electrons between the components of the respiratory chain — the process that ultimately produces ATP, the molecule that cells expend for every bodily function. Because it is fat-soluble and sits within membranes, CoQ10 also behaves as an antioxidant in those membranes and in circulating lipoproteins.
Most of it is carried in tissues that work the hardest — the heart, kidneys and liver hold the highest concentrations. This is a straightforward consequence of how much energy those organs consume rather than evidence of anything more specific.
Why levels fall
Two things reduce the amount of CoQ10 in the body, and they are worth separating because they are commonly run together.
The first is age. When Kalén and colleagues measured ubiquinone across seven human organs in donors ranging from a newborn to an eighty-one-year-old, the pattern was consistent: in most tissues the concentration peaked at around twenty years of age and then declined continuously from that point onwards (Kalén et al., 1989). This is a description of normal physiology, not a deficiency state — there is no established clinical deficiency of CoQ10 in otherwise healthy people, and no recommended daily intake, precisely because the body makes its own.
The second is statin therapy. Statins work by inhibiting HMG-CoA reductase, an enzyme in the mevalonate pathway. That pathway produces cholesterol, but it also produces the isoprenoid tail that CoQ10 is built on, so the two are linked upstream. A meta-analysis of placebo-controlled trials found that statin therapy is associated with lower plasma CoQ10 concentrations (Banach et al., 2015).
There is an important caveat that the supplement industry usually omits. CoQ10 travels in the blood attached to lipoproteins, so when a statin lowers circulating lipids it lowers the carriers that CoQ10 rides on. Some of the measured fall may therefore reflect fewer carriers rather than less synthesis, and very few studies have looked at CoQ10 concentrations in tissues rather than blood. The honest position is that the plasma effect is real and reproducible.
The absorption problem
Here is the part that gets least attention and deserves most.
CoQ10 is an awkward molecule to absorb. It is large, and it is strongly hydrophobic — meaning it does not dissolve in water, and the digestive tract is essentially an aqueous environment. The consequence, set out in the standard pharmacokinetic review of the compound, is that absorption of dietary CoQ10 is slow and limited (Bhagavan and Chopra, 2006). Peak plasma concentrations arrive around six hours after a dose, and the elimination half-life is roughly thirty-three hours.
That half-life has a practical implication worth holding on to: CoQ10 accumulates gradually with regular intake and clears slowly. It is not a compound where a single dose does anything perceptible, and it is not one where a missed day undoes anything either. Consistency over weeks is the only sensible way to take it.
What is a coenzyme Q10 liposome
The word "liposomal" appears on a great many supplement labels and is rarely explained. It is worth a minute, because the idea is elegant and it follows directly from the absorption problem above.
Phospholipids are the molecules cell membranes are built from. Each one has a head that is comfortable in water and two tails that are not — a split personality chemists call amphipathic. Drop enough of them into water and they organise themselves without being asked: tails huddled inward away from the water, heads facing outward into it. What forms is a hollow sphere with a double-layered wall, typically far smaller than a red blood cell. That sphere is a liposome.
A coenzyme Q10 liposome uses that structure as transport. Because CoQ10 is fat-soluble rather than water-soluble, it does not sit in the watery centre of the sphere — it lodges inside the oily wall itself, among the phospholipid tails, which is precisely where a fat-loving molecule is most at home. The result is a package with a hydrophobic molecule tucked inside a water-compatible outer layer, which is exactly the combination the digestive tract would otherwise refuse to cooperate with.
Two honest qualifications belong here. First, "liposome" and "liposomal" are applied loosely across the supplement industry, to a range of phospholipid-based preparations that are not all the same. A dry or powdered liposomal preparation, for instance, is formulated so that the structures assemble on contact with digestive fluid rather than arriving ready-formed in suspension — a legitimate approach, and the one that makes a capsule possible at all, but not identical to a liquid liposome dispersion.
Second, and more importantly: the word on the label tells you the strategy, not the outcome. Whether any coenzyme Q10 liposome is well absorbed is a question only comparative absorption data on that specific product can answer, and most products on the shelf have never been tested that way.
Why the formulation does the heavy lifting
Because the raw molecule absorbs badly, what surrounds it in the capsule matters enormously. The same review notes that solubilised formulations — CoQ10 dispersed or dissolved rather than presented as raw crystalline powder — show meaningfully better bioavailability than powder-filled preparations.
A study comparing seven different commercial CoQ10 preparations, tested on the same volunteers, found large and statistically significant differences between them, driven by the carrier lipids used and by how thoroughly the CoQ10 crystals had been solubilised during manufacture (López-Lluch et al., 2019). The same study reported something less convenient for marketing departments: absorption also varied substantially between individuals, to the point that the authors concluded the best preparation for any given person must be determined empirically.
None of this is unique to liposomes. A liposome is one solubilisation strategy among several, and the evidence says the strategy matters — not that any one version of it wins by default.
Ubiquinone or ubiquinol?
CoQ10 exists in two interconvertible forms: ubiquinone, the oxidised form, and ubiquinol, the reduced form. Ubiquinol is frequently sold at a premium on the argument that, being already reduced, it must be better absorbed.
The evidence is genuinely mixed rather than settled in either direction. Several crossover studies have reported higher plasma CoQ10 after ubiquinol than after equivalent doses of ubiquinone. Others have not. A randomised crossover trial in adults aged sixty-five to seventy-four compared ubiquinol capsules, ubiquinone capsules and a water-soluble syrup, and found that ubiquinol was not significantly more bioavailable than ubiquinone, while the solubilised syrup outperformed both (Žmitek et al., 2020).
The same trial recorded a detail that puts the debate in proportion: CoQ10 appeared in the blood predominantly as ubiquinol regardless of which form had been swallowed. The body converts between the two according to need, continuously, in both directions.
The reasonable conclusion is that the redox form is a smaller variable than the formulation around it, and that a well-solubilised ubiquinone preparation is not a compromise. Anyone claiming the question is closed — in either direction — is ahead of the evidence.
What the research has studied
Most substantial clinical research on CoQ10 has been conducted in diagnosed patient populations under medical supervision, at doses well above typical supplement intakes, and usually alongside prescribed treatment. Q-SYMBIO, the largest trial of CoQ10 in chronic heart failure, gave 100 mg three times daily as an adjunct to standard therapy in 420 patients over two years (Mortensen et al., 2014). A systematic review has examined its role in statin-associated muscle symptoms and found the evidence insufficient to support routine use (Marcoff and Thompson, 2007). Tolerability has been assessed in healthy volunteers in a double-blind placebo-controlled trial (Ikematsu et al., 2006).
These studies describe clinical research in defined patient groups. They do not describe what a food supplement does for a healthy person, and they are not the basis for any claim. No health claim for coenzyme Q10 is currently authorised in the European Union: EFSA assessed proposed claims covering energy-yielding metabolism, blood pressure, antioxidant protection, cognitive function, cholesterol and endurance, and did not find any of them substantiated. We think you should know that from us rather than from someone else.
Practical points
Take it consistently rather than carefully. Given a thirty-three hour half-life, tissue levels reflect what you have done over weeks, not what you did this morning.
Follow the product's own directions. Instructions differ between formulations for good reason — a preparation designed to disperse without dietary fat is directed differently from an oil-based softgel.
Expect individual variation. The absorption research is unambiguous that the same product produces different plasma responses in different people.
Talk to your doctor if you take prescribed medication. This applies particularly to anticoagulants such as warfarin, and to anyone on statin therapy who is considering CoQ10 because of muscle symptoms — those symptoms are worth a medical conversation regardless of what you decide about supplementation.
Where our product sits
SANUSq Liposomal Coenzyme Q10 Capsules provide 100 mg of CoQ10 as ubiquinone with sunflower-derived phospholipids, in a vegetable capsule, at one capsule per day. It is a dry coenzyme Q10 liposome preparation, so it needs no refrigeration and travels without ceremony. We have described the science above as it stands rather than as we would prefer it to read, and the same applies here: we make no claim that this product outperforms any other.
Frequently asked questions
Does everyone need to supplement CoQ10?
Research papers suggest the answer is ‘no’. A healthy body synthesises CoQ10 and there is no established dietary requirement or recognised deficiency state in the general population. Supplementation is a personal choice, most often considered by older adults or by people taking medications known to affect the mevalonate pathway.
Is a coenzyme Q10 liposome better absorbed than an ordinary capsule?
That is the intention behind the format, and the general principle is well supported: solubilised preparations absorb better than raw crystalline powder. But "liposomal" on a label describes an approach rather than a measured result, and absorption also varies considerably from person to person. Treat comparative claims with the same scepticism you would apply to any other unmeasured one.
Is ubiquinol worth paying more for?
The comparative evidence does not settle it. Some trials favour ubiquinol, others find no significant difference, and at least one found a well-solubilised ubiquinone preparation absorbed better than an ubiquinol capsule. Formulation quality appears to matter more than the redox form.
How long before anything changes?
Plasma concentrations rise gradually over weeks with regular intake, and the research measures blood levels rather than subjective effects. Anyone promising a noticeable difference within days is describing something other than the published pharmacokinetics.
Can I take CoQ10 with a statin?
This is a question for your doctor, not for a website. Statins are associated with lower plasma CoQ10, but the evidence that supplementation resolves statin-associated muscle symptoms is not sufficient to recommend it routinely, and muscle symptoms on a statin warrant medical review.
Does it matter what time of day I take it?
Less than consistency does. With a half-life of roughly thirty-three hours, the useful habit is taking it at the same point in your routine every day so that you don’t forget.
Read more on the blog
How CoQ10 boosts your energy levels? →
Anti-ageing Benefits of CoQ10 →
Watch on YouTube
Unlock Your Energy with CoQ10 →
We wish you good health on your terms.
The team at SANUSq.
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The health information in this article is provided for educational purposes only. Consult your healthcare professional before making any medical decisions.
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