Liposomal NMN: does it work better than regular NMN?
Liposomal NMN is NMN packaged in liposomes: tiny spheres made of phospholipids, the same kind of fats that make up cell membranes. Manufacturers claim this packaging protects the compound in the digestive tract and improves absorption. That sounds logical, but what does the research say? And is liposomal always better than powder or capsules?
On this page you will learn how liposomes work, what is known about NMN absorption, where the evidence for liposomal supplements comes from and what to look for when choosing a form. Mainly undecided between powder and capsules? Then also read NMN powder or capsules.
Key points
- A liposome is a vesicle of phospholipids in which a substance is packaged.
- Regular NMN is already absorbed: human studies show a rise in blood NAD+ after oral intake.
- There are no published, independent human studies directly comparing liposomal NMN with regular NMN.
- The best-known evidence for liposomes comes from other compounds, such as glutathione, and cannot simply be transferred to NMN.
- Liposomal products often contain less NMN per dose and more excipients, and cost more per milligram.
What is a liposome?
A liposome is a microscopic sphere with a wall of one or more layers of phospholipids, often derived from soy or sunflower lecithin. An active substance can be held in the core or the wall. In medicine, liposomes have been used for decades, for example to deliver certain drugs in a targeted way via an infusion.
For supplements, this means oral liposomes: liquids, gels or capsules in which the substance is incorporated into liposomes. The idea is that the fatty layer protects the substance from stomach acid and enzymes, and that liposomes are absorbed more easily through the intestinal wall.
How is regular NMN absorbed?
For a long time it was thought that NMN first had to be converted into nicotinamide riboside (NR) before it could enter a cell. In 2019, Grozio and colleagues described a transporter protein, Slc12a8, that can take up NMN directly in the gut of mice. Whether this transport is equally important in humans is still being studied.
What is clear: oral NMN in powder or capsule form raises blood NAD+ levels in humans. This was shown, among others, in a randomized trial by Yi and colleagues (2023), in which doses of 300, 600 and 900 mg per day raised blood NAD+ in a dose-dependent way. So regular NMN is not “unusable” without a liposome.
More about what NMN does in the body can be found on our page how does NMN work.
What does research on liposomal NMN show?
The honest answer is short: we are not aware of any independent, peer-reviewed human studies that directly compare liposomal NMN with the same dose of regular NMN, with NAD+ measured in blood or tissue as the outcome. Claims of “up to five times better absorption” usually come from manufacturers themselves, often based on laboratory models or unpublished data.
That does not mean liposomal NMN does not work. It means that better performance has not been demonstrated. As long as that comparison is missing, “better absorbed” is a hypothesis.
The evidence on liposomal glutathione
The case for liposomes often leans on research on glutathione. In a small pilot study by Sinha and colleagues (2018), 12 healthy adults took liposomal glutathione for four weeks. Whole-blood glutathione rose by up to 40 percent. However, there was no control group with regular glutathione or placebo.
Moreover, a larger randomized trial by Richie and colleagues (2015) found that regular oral glutathione also increased body stores over six months. Glutathione is a different molecule from NMN, with different absorption. Results for one cannot be transferred to the other.
The body can also make glutathione itself from building blocks such as glycine and cysteine. That is the route studied with GlyNAC. Read more on our page about GlyNAC.
Liposomal NMN versus powder and capsules
Besides absorption, practical matters count: how much NMN is in each dose, which excipients, how stable is the product and what does it cost per milligram?
| Liposomal NMN | NMN capsules | NMN powder | |
|---|---|---|---|
| NMN per dose | Often 100–250 mg | Usually 250–500 mg | Freely adjustable |
| Excipients | Phospholipids, emulsifiers, preservatives, flavourings | Capsule shell, sometimes fillers | None |
| Comparative human research | Not available | Used in most RCTs | Used in some RCTs |
| Stability | Depends on formulation; liquids more sensitive | Good when stored cool and dry | Good when stored cool and dry |
| Price per mg NMN | Usually highest | Average | Usually lowest |
What to look for in liposomal NMN
If you are still considering a liposomal form, these questions help you compare products:
- How much NMN is actually in each dose? Liposomal products sometimes list the total weight of the liposomal complex rather than the amount of NMN itself.
- Is there a certificate of analysis? An independent test for purity and content matters for every form. Read how to check this in our guide to checking NMN certificates.
- Is there evidence for the liposomes themselves? Ask for data on particle size and stability, and whether absorption has been measured in humans.
- Which excipients are used? Liquid products often contain preservatives and flavourings.
- What does it cost per milligram of NMN? Convert the price to the actual amount of NMN.
Who might still find liposomal NMN interesting?
Some people find a liquid or gel more pleasant than capsules or powder, for example because they have trouble swallowing. That is a legitimate, practical reason. Just don’t expect a proven advantage in absorption or effect. If you mainly want a well-supported dose, capsules or powder are the form used in most human studies.
Every Day Better sells NMN as a pure 30-gram powder and in plant-based capsules of 60 or 120 capsules, without a liposomal formulation. We choose this deliberately, because these forms align best with human research. An overview of different brands and forms can be found in our NMN comparison.
Choose the form used in research
Most human NMN studies used regular capsules or powder. Every Day Better offers exactly those forms, without liposomal excipients:
- NMN capsules 120 x 250 mg: 60 to 120 days, the best price per capsule.
- NMN capsules 60 x 250 mg: to get started, 30 to 60 days.
- NMN powder 30 grams: pure powder to dose yourself, with measuring scoop.
All variants contain Uthever® NMN, independently tested by Intertek for a purity of 99.5% or higher. View the lab reports.
Frequently asked questions about liposomal NMN
Is liposomal NMN absorbed better?
That has not been shown. There are no independent human studies directly comparing liposomal NMN with the same dose of regular NMN. Regular NMN does raise blood NAD+ in studies.
What is the difference between liposomal NMN and NMN capsules?
In liposomal NMN, the compound is packaged in phospholipid spheres, often in a liquid or gel. Capsules contain the pure powder in a capsule shell. Capsules usually contain more NMN per dose and fewer excipients.
Is liposomal glutathione the same as liposomal NMN?
No. They are different compounds with different absorption. A small study showed that liposomal glutathione raised blood glutathione, but that says nothing about NMN.
Should NMN be taken under the tongue?
Sublingual intake is sometimes recommended, but good comparative human research is lacking for that too. Most studies used regular oral intake. Read more in our guide to NMN dosage.
Conclusion
Liposomal NMN is a logical-sounding idea, but the promise of better absorption has not been demonstrated in humans. Regular NMN in powder or capsules is absorbed and is the form used in most studies. Liposomal products are also often more expensive per milligram and contain more excipients. If you still choose liposomal NMN, check above all how much NMN it really contains and whether there is an independent certificate of analysis.
Sources
- Grozio A, et al. Slc12a8 is a nicotinamide mononucleotide transporter. Nature Metabolism, 2019.
- Yi L, et al. The efficacy and safety of β-nicotinamide mononucleotide (NMN) supplementation in healthy middle-aged adults: a randomized, multicenter, double-blind, placebo-controlled trial. GeroScience, 2023.
- Sinha R, et al. Oral supplementation with liposomal glutathione elevates body stores of glutathione and markers of immune function. European Journal of Clinical Nutrition, 2018.
- Richie JP, et al. Randomized controlled trial of oral glutathione supplementation on body stores of glutathione. European Journal of Nutrition, 2015.
This information is for general education and does not replace medical advice.
