Anti-aging Supplement Nicotinamide Riboside Powder For Fortifying Cells Defense Systems

Anti-aging Supplement Nicotinamide Riboside Powder For Fortifying cells defense systems

What is Nicotinamide riboside?

Nicotinamide riboside, or niagen, is an alternative form of vitamin B3, also called niacin.

Like other forms of vitamin B3, nicotinamide riboside is converted by your body into nicotinamide adenine dinucleotide (NAD+), a coenzyme or helper molecule.

NAD+ acts as fuel for many key biological processes, such as (1Trusted Source, 2Trusted Source):

Converting food into energy
Repairing damaged DNA
Fortifying cells’ defense systems
Setting your body’s internal clock or circadian rhythm

However, the amount of NAD+ in your body naturally falls with age (3Trusted Source).

Low NAD+ levels have been linked to health concerns like aging and chronic illnesses, such as diabetes, heart disease, Alzheimer’s disease and vision loss (1Trusted Source).

Interestingly, animal research has found that raising NAD+ levels may help reverse signs of aging and lower the risk of many chronic diseases (4Trusted Source, 5Trusted Source, 6Trusted Source).

Nicotinamide riboside supplements - such as niagen - have quickly become popular because they appear to be especially effective at raising NAD+ levels (7Trusted Source).

Nicotinamide riboside is also found in trace amounts in cows’ milk, yeast and beer (8Trusted Source).

SUMMARY:

Nicotinamide riboside, or niagen, is an alternative form of vitamin B3. It is promoted as an anti-aging supplement because it boosts your body’s levels of NAD+, which acts as fuel for many key biological processes.

Potential Benefits:

Because most research on nicotinamide riboside and NAD+ comes from animal studies, no clear-cut conclusions can be made about its effectiveness for humans.

That said, here are some potential health benefits of nicotinamide riboside.

Easily Converted Into NAD+

NAD+ is a coenzyme, or helper molecule, that takes part in many biological reactions.

While it’s essential for optimal health, research shows that NAD+ levels continue to fall with age. Low NAD+ levels are linked to poor aging and a variety of harmful diseases (1Trusted Source, 3Trusted Source).

One way to raise NAD+ levels is to consume NAD+ precursors - the building blocks of NAD+ - such as nicotinamide riboside.

Animal studies show that nicotinamide riboside raises blood NAD+ levels by up to 2.7 times. What’s more, it’s more readily used by your body than other NAD+ precursors (7Trusted Source).

Activates Enzymes That May Promote Healthy Aging

Nicotinamide riboside helps increase NAD+ levels in your body.

In response, NAD+ activates certain enzymes that may promote healthy aging.

One group is sirtuins, which appear to improve lifespan and overall health in animals. Studies indicate that sirtuins may repair damaged DNA, boost stress resistance, reduce inflammation and offer other benefits that promote healthy aging (9Trusted Source, 10Trusted Source, 11Trusted Source).

Sirtuins are also responsible for the lifespan-extending benefits of calorie restriction (12Trusted Source).

Another group is Poly (ADP-Ribose) polymerases (PARPs), which repair damaged DNA. Studies link higher PARP activity to less DNA damage and a longer lifespan (13Trusted Source, 14Trusted Source).

May Help Protect Brain Cells

NAD+ plays a key role in helping your brain cells age well.

Within brain cells, NAD+ helps control the production of PGC-1-alpha, a protein that appears to help protect cells against oxidative stress and impaired mitochondrial function (15Trusted Source).

Researchers believe both oxidative stress and impaired mitochondrial function are linked to age-related brain disorders such as Alzheimer’s and Parkinson’s disease (16Trusted Source, 17Trusted Source, 18Trusted Source).

In mice with Alzheimer’s disease, nicotinamide riboside raised brain NAD+ levels and PGC-1-alpha production by up to 70% and 50%, respectively. By the end of the study, the mice performed significantly better in memory-based tasks (4Trusted Source).

In a test-tube study, nicotinamide riboside raised NAD+ levels and significantly improved mitochondrial function in stem cells taken from a Parkinson’s disease patient (19Trusted Source).

However, it’s still not clear how helpful it is to raise NAD+ levels in people with age-related brain disorders. More human studies are needed.

May Lower Heart Disease Risk

Aging is a major risk factor for heart disease, which is the world's leading cause of death (20Trusted Source).

It can cause blood vessels like your aorta to become thicker, stiffer and less flexible.

Such changes can raise blood pressure levels and make your heart work harder.

In animals, raising NAD+ helped reverse age-related changes to arteries (21Trusted Source).

In humans, nicotinamide riboside raised NAD+ levels, helped reduce stiffness in the aorta and lowered systolic blood pressure in adults at risk of high blood pressure (22).

That said, more human research is needed.

Other Potential Benefits:

In addition, nicotinamide riboside may provide several other benefits:

May aid weight loss: Nicotinamide riboside helped speed up the metabolism of mice. However, it’s unclear whether it would have the same effect in humans and how strong this effect really is (23Trusted Source).

May lower cancer risk: High NAD+ levels help protect against DNA damage and oxidative stress, which are linked to cancer development (24Trusted Source, 25Trusted Source).

May help treat jet lag: NAD+ helps regulate your body’s internal clock, so taking niagen may help treat jet lag or other circadian rhythm disorders by resetting your body’s internal clock (26Trusted Source).
May promote healthy muscle aging: Raising NAD+ levels helped improve muscle function, strength and endurance in older mice (5Trusted Source, 27Trusted Source).

Potential Risks and Side Effects:

Nicotinamide riboside is likely safe with few - if any - side effects.

In human studies, taking 1,000-2,000 mg per day had no harmful effects (28Trusted Source, 29Trusted Source).

However, most human studies are short in duration and have very few participants. For a more accurate idea of its safety, more robust human studies are needed.

Some people have reported mild to moderate side effects, such as nausea, fatigue, headaches, diarrhea, stomach discomfort and indigestion (30Trusted Source).

In animals, taking 300 mg per kg of body weight (136 mg per pound) daily for 90 days had no harmful effects (31Trusted Source).

What’s more, unlike vitamin B3 (niacin) supplements, nicotinamide riboside should not cause facial flushing (31Trusted Source).

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