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MAY 5, 2016 by JOHN SUMMERLY
Potent Form of Vitamin B Stops Organs From Aging


One of the most potent forms of vitamin B3 stops the aging process of organs and can only be described as restorative. Nicotinamide riboside is naturally produced in our bodies and studies continue to validate its effectiveness in preventing disease and regenerating cells.


B3 is one of eight B vitamins. It is also known as niacin (nicotinic acid) and has 2 other forms, niacinamide (nicotinamide) and inositol hexanicotinate, which have different effects from niacin.

An earlier study involved researchers at Harvard University and the University of NSW. Published in the scientific journal Cell, the landmark paper was one of the first to provide valuable insights into Nicotinamide's brain performance and anti-aging.

Nicotinamide riboside is naturally produced in our bodies. It’s a chemical compound which acts as a precursor to vitamin B3.

Nicotinamide riboside has been linked to a number of surprising and powerful benefits. Foods high in Nicotinamide include Brewer's Yeast, Sunflower Seeds, Raw Peanuts and Beets. Interestingly Beet Juice & Yeast have been shown to have remarkable cancer killing attributes. Possibly due to the sugars in the beets causing a beneficial form of fermentation to occur with the B vitamins in the Brewer's Yeast.

Now a team of researchers at EPFL's Laboratory of Integrated Systems Physiology (LISP), headed by Johan Auwerx, has unveiled even more of its secrets. An article written by Hongbo Zhang, a PhD student on the team, published in Science and describes the positive effects of NR on the functioning of stem cells. These effects can only be described as restorative.

As mice, like all mammals, age, the regenerative capacity of certain organs (such as the liver and kidneys) and muscles (including the heart) diminishes. Their ability to repair them following an injury is also affected. This leads to many of the disorders typical of aging.

Mitochondria: also useful in stem cells

Hongbo Zhang wanted to understand how the regeneration process deteriorated with age. To do so, he teamed up with colleagues from ETH Zurich, the University of Zurich and universities in Canada and Brazil. Through the use of several markers, he was able to identify the molecular chain that regulates how mitochondria -- the "powerhouse" of the cell -- function and how they change with age. The role that mitochondria play in metabolism has already been amply demonstrated, "but we were able to show for the first time that their ability to function properly was important for stem cells," said Auwerx.

Under normal conditions, these stem cells, reacting to signals sent by the body, regenerate damaged organs by producing new specific cells. At least in young bodies. "We demonstrated that fatigue in stem cells was one of the main causes of poor regeneration or even degeneration in certain tissues or organs," said Hongbo Zhang.

This is why the researchers wanted to "revitalize" stem cells in the muscles of elderly mice. And they did so by precisely targeting the molecules that help the mitochondria to function properly. "We gave nicotinamide riboside to 2-year-old mice, which is an advanced age for them," said the researcher. "This substance, which is close to vitamin B3, is a precursor of NAD+, a molecule that plays a key role in mitochondrial activity. And our results are extremely promising: muscular regeneration is much better in mice that received NR, and they lived longer than the mice that didn't get it."

Scientists have long used NAD+ as a powerful anti-aging tool. While trying to find a cure for aging, scientists increased the levels of NAD+ within the mitochondria. The mitochondria responded by increasing their performance and energy, which effectively neutralizes the effects of aging.

Specifically, nicotinamide riboside effectively delays early- and late-stage disease progression, by robustly inducing mitochondrial biogenesis in skeletal muscle and brown adipose tissue, preventing mitochondrial ultrastructure abnormalities and [mitochondrial DNA] deletion formation.

A breakthrough for regenerative medicine

Parallel studies have revealed a comparable effect on stem cells of the brain and skin. "This work could have very important implications in the field of regenerative medicine," said Auwerx. "We are not talking about introducing foreign substances into the body but rather restoring the body's ability to repair itself with a product that can be taken with food." This work on the aging process also has potential for treating diseases that can affect -- and be fatal -- in young people, like muscular dystrophy (myopathy).

So far, no negative side effects have been observed following the use of NR, even at high doses. But caution remains the byword when it comes to this elixir of youth: it appears to boost the functioning of all cells, which could include pathological ones. Further in-depth studies are required.


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