Does NMN also work without exercise and sports?

NMN (Nicotinamide Mononucleotide) has attracted growing interest in recent years because of its potential health benefits. Many people use it in combination with exercise, due to the boost in energy, its effect on metabolism, and the possible benefit for your endurance. But what if you are not an active athlete (for a while)? Do NMN supplements still work then? Discover how NMN works in your body and what effects it can have on your cell health and metabolism, even if you exercise little to not at all.

What is NMN and how does it work in your body?

NMN is a naturally occurring substance that is converted in our bodies into NAD+ (Nicotinamide Adenine Dinucleotide). And NAD+? It is an important coenzyme that helps your cells produce energy. It also supports processes such as DNA repair, mitochondrial function (your power plants), and the activation of sirtuins—enzymes that are linked to healthy aging.

But as we get older, the amount of NAD+ in our bodies decreases. That can contribute to fatigue, a slower metabolism, and other signs of aging. And this is where NMN comes in. It helps increase NAD+ levels in your body. 

Does NMN work without exercise?

Many users take NMN to feel more energetic, think more clearly, and support their health. Exercise enhances these effects, but even without intensive activity, NMN can still do something for you. How exactly?

1. Increases NAD+ levels

NMN increases NAD+ levels in the body, which contributes to better cell health, even without physical exertion. This can help improve overall energy production and support cellular processes that are important for aging and recovery.

2. Supports insulin sensitivity

There are indications that NMN can support insulin sensitivity, which is important for stable blood sugar levels. Especially relevant if you lead a sedentary life or move less. A clinical study in women with prediabetes showed that daily oral intake of NMN increased insulin sensitivity in muscle tissue. This finding comes from research by Yoshino et al. (2021), published in the journal Science. Although this is a human study, follow-up studies are needed to confirm the broader effect.¹ 

3. Improves brain function and mental clarity

NMN may have positive effects on brain function. This can contribute to better mental clarity and focus.  A preclinical study by Long et al. (2015) shows that NMN can limit oxidative damage and energy depletion in nerve cells. Because oxidative stress is associated with cognitive decline, this is an interesting lead for further research into NMN’s influence on brain function. Here too, the research is still at an early stage, and the results cannot be applied one-to-one to humans.²

4. Supports mitochondrial health

Even without exercise, NMN can help maintain healthy mitochondria. And they are important for your energy balance. Healthy mitochondrial function is important for maintaining good health in the long term. In a study published in Nature Metabolism, Grozio and colleagues (2019) investigated how NMN is taken up into cells. The researchers identified a specific transport protein, SLC12A8, which actively brings NMN inside and thus contributes to replenishing NAD⁺ in the mitochondria. This molecule is essential for cellular energy metabolism. The research was conducted in mouse models and in cell cultures, and is therefore a step toward better understanding, but not yet proof of effectiveness in humans.³

Limitations of NMN without physical exercise

Although NMN offers many benefits, there are some limitations when it comes to using it without physical exercise. Here are a few key considerations:

1. No direct effect on endurance or muscle mass

NMN can improve energy production, but it has no direct effect on improving muscle mass or endurance. Physical exercise, such as strength training and cardiovascular workouts, stimulates muscle building and improves cardiovascular health. NMN cannot replicate these effects.

2. Less pronounced energy-boosting effects

Do you sit still a lot? Then NMN’s energy effects may be less noticeable than for athletic users. Movement simply helps to really get your metabolism going.

3. Limited metabolic benefits

According to a preclinical study, NMN supplements can support metabolic processes, but physical activity remains important to fully benefit from these processes. Movement stimulates metabolism and promotes muscle building, which is important for a healthy metabolism.

EnduraVita’s NMN supplements

In short, does NMN work without exercise? Yes, to a certain extent. It can support your cell health, improve your energy metabolism, and strengthen your mental focus, even if you don’t exercise. Still, a bit of movement helps you get the most out of NMN. Think of simple things: a short walk after a meal, standing up briefly every hour, taking the stairs, or doing some stretches during a phone call. In addition, TMG (Trimethylglycine) can be a supplement. TMG contributes to normal homocysteine metabolism* with a daily intake of three 500 mg capsules. 

*The positive effect on the normalization of homocysteine metabolism is achieved with an intake of 3 capsules (1.5 g) of 500 mg each per day.

¹ Yoshino, J., et al. (2021). Daily oral administration of nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. Science, 372(6547), 1224–1229. https://doi.org/10.1126/science.aaz0294

² Long, A. N., Owens, K., Schlappal, A. E., Kristian, T., Fishman, P. S., Schuh, R. A., & Kristal, B. S. (2015). Nicotinamide mononucleotide protects against pro-oxidant induced energy failure and cell death in primary neurons. Neurochemistry International, 91, 15–22. https://pubmed.ncbi.nlm.nih.gov/25884176/

³ Grozio, A., et al. (2019). Slc12a8 is a nicotinamide mononucleotide transporter.
Nature Metabolism, 1(1), 47–57. https://doi.org/10.1038/s42255-018-0009-4