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“It can be a good complement to an already healthy lifestyle”


“I’m going to take the rest of my life and I will never get older,” said the Hailey Bieber model to Kendall Jenner in an episode of The Kardashians in 2022. This video, now very shared, showed women receiving an intravenous form of NAD, A very popular supplement with numerous properties, such as slowing down the aging process, reducing inflammation and improving performance physical.

For most mortals, this was the first time they heard about NAD, but in 2025, the conversation about this natural compound has spread like gunpowder.

Although in his day the NAD was considered something exclusive to the rich and famous (a single intravenous route costs from about 290 euros), now the pure form of the molecule is more accessible as a NMN supplement, A compound naturally derived from vitamin B3 that becomes the purest form of NAD+ In the human body. It can also be taken in capsules, so it is much cheaper.

To know more about how NMN supplements work in capsules and if their benefits are worth it, not only I started taking them myself for several months, but I also spoke with several nutrition experts and science to know their opinions. Keep reading to see what I discovered.

What is a NMN supplement?

“NMN, abbreviation of nicotinamide mononucleotide, is the last of a line of popular supplements for longevity that have reached the health market in recent years“, explains the nutritionist Steph Baker, founder of Stephanie Jayne Nutrition.

“It is a compound naturally derived from vitamin B3 that becomes NAD+ in the human body,” he explains, adding that NAD+ is an enzyme present in each body of the body. Contributes to numerous biological processes that improve human health And it has also been studied in animals such as an anti -aging superstice and extending of very complete life.

NMN supplement benefits

The statements on the product pages of NMN supplements include: “Greater energy that lasts all day and eliminates those annoying bass of energy In the afternoon, better quality of sleep that leaves you completely rested upon awakening, and greater mental clarity and concentration that allows you to increase your productivity. “

Until now, every promising. It also claims to help accelerate metabolism, resulting in the suppression of body weight gain associated with age.

But how precise these statements are? Can they be supported with clinical research?

In short, not really, and science still has a long way to go. “There are studies in animals with mice that showed an improvement in insulin sensitivity, better heart health and cognitive function, and a reduction in physiological deterioration related to age,” explains Harshita Kundarvalli, a scientist specializing in drug development with more than 13 years of experience in the field of medical research and innovation.

Also quickly points out that all these They are demonstrations of animal studies and cannot translate into benefits for humans without testing in people for a minimum of 10 years.

In summary, although animal studies have shown promising results and there are potential benefits for humans, it is necessary to collect more clinical trials in humans and long -term data to understand the effectiveness and safety of these supplements.

It should also be noted that the NMN and other forms of NAD+ are found in natural foods such as Cow’s milk, beef, shrimp and vegetables such as broccoli, edamame, cucumber, avocado and cooked tomatoes at low temperature. Like any nutritionist will tell you, it is always preferable to prioritize food.

Does supplementation with NMN work?

Although the statements and anecdotal reviews on NMN capsules are interesting, The lack of supplements regulation implies that they can never be taken as an absolute truth. (The owner of a supplement company recently told me that there are greater restrictions for the commercialization of beauty products than for supplements).

But, in the name of journalism (and to see if I noticed any difference), I have been taking a Pure Nmn nmn capsule of Vivanmn during the last three months.

The results? Honestly, I feel better than ever, with better energy levels and an immune system in general. However, I did not start from scratch and follow a balanced diet with comprehensive foods that includes a minimal consumption of ultraprocessed foods and foods. I also exercise four times a week and more than 10,000 steps almost every day. But after a few weeks, I definitely felt that my physical condition improved, especially my resistance.

I am 40 years old and I have worked hard to improve my physical condition after having two children, but I certainly feel stronger than in a long time. Besides, I have not cold or a single day throughout the fall or winter, which, with two young children at home, is practically a miracle. Is my good current health and my personal record in the spinning class to the NMN daily supplement that I take every morning, or simply to the accumulation of good health habits?

Experts such as the nutritionist Steph Baker are skeptical of my findings. “In general, NMN supplementation and the recent wave of positive reviews on social networks on their effects on muscle health and sports performance They could be due to the fact that supplementation is taken together with an improvement in diet and lifestyle“, he says.

“Is you need to conduct studies in healthy people who take the supplement without modifying your diet or your long -term lifestyle. Likewise, data on the metabolic benefits of NMN supplementation are lacking, for which it was praised in the media. “Several studies did not find significant improvements in common metabolic parameters, such as HBA1C (blood glucose), cholesterol, blood pressure and body composition.

While human research is limited, Baker states that there is a study in prediabetic menopausal women who discovered that taking 250 mg daily NMN improved insulin sensitivity. Another study revealed that Muscle NAD+ in older adults was relatively similar to that of younger participants if they followed a healthy diet and a constant exercise regime. “However, it is necessary to explore more in depth the improvements in metabolic health derived from NMN supplementation,” he says.

Raquel Britzke, collegiate nutritionist with doctify certification, adds: “While the NMN is exciting, It is not a miraculous solution or replace the foundations of a healthy life, such as a diet rich in nutrients, regular exercise, good rest and stress management. I encourage people to consider NMN supplements as part of a holistic approach for healthy aging. “

Side effects of NMN supplements

Although I personally did not experience any side effect when taking NMN capsules, there are some that should be taken into account.

“The side effects of taking NMN are mild and uncommon, but some users can experience digestive discomfort, nausea or abdominal pain, especially at the beginningwhen the body is adapting to higher doses, “says Britzke.

Before taking any new supplement, you must also talk to your doctor or nutritionist, especially if you take other medications, you have underlying health problems or you are pregnant or breastfeeding.

Conclusion

So is the NMN the anti -aging advance that is promoted so much? Well, science is still updating, and although the first investigations, mainly in animals, are promising, experts agree that long -term tests are needed in humans Before being able to make definitive statements.

From my own experience, I have felt better since I take it once a day for several months, but it is difficult to determine to what extent is due directly to the NMN. At first, I got carried away by the stir on social networks, and, in any case, Talking to experts for this article reminded me that I must consider clinical research published before buying.

As for keeping NMN, I will definitely finish my current bottle and then I will leave it for a while to see if my good health and resistance are affected. I am not quite sure how I feel when taking a long -term supplement that has not been tested in humans or has proven benefits. As with any supplement, the NMN It can be a good complement to an already healthy lifestylebut it should never be used to replace healthy habits such as eating well and exercising regularly.



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