Every day your cells run billions of tiny energy-making reactions, and they all lean on a hard-working form of vitamin B3. Nicotinamide riboside (NR) is a well-tolerated, bioavailable precursor to vitamin B3 in its bioactive coenzyme form. Our natural ability to make this important coenzyme, however, declines steadily as we age. So what is nicotinamide riboside, and how does it support cellular energy? Here is what the research actually says.
THE ENGINE ROOM OF EVERY CELL
This enzyme cofactor form of vitamin B3 plays a key role in supporting mitochondrial function, maintaining cellular energy production and helping to maintain energy levels. It is also involved in other important biological processes that support health and wellbeing. Think of it as the spark plug inside your mitochondria, the tiny power plants packed into every cell. When your ability to form this vitamin B3 coenzyme steadily drops with age, that energy-conversion process simply runs less efficiently.
What Is Nicotinamide Riboside?
Nicotinamide riboside (NR) is a form of vitamin B3, and a direct precursor your body uses to make the active vitamin B3 coenzyme. It occurs naturally in trace amounts in foods such as milk, and in the first study of its kind, researchers showed that NR is uniquely and orally bioavailable in humans, meaning the body readily absorbs it and puts it to work.
How Does Nicotinamide Riboside Work?
The higher bioavailability of NR is partly explained by its size. NR is a small compound, so it can enter the cell without first needing to be converted to a smaller form. Other precursors, such as nicotinamide mononucleotide (NMN), must first be broken down into either NR or nicotinamide (NAM) before they can enter the cell. Once inside, NR can convert to the vitamin B3 coenzyme form through multiple pathways. Research has reported that oral NR supplementation can produce measurable biological effects on vitamin B3 coenzyme levels. In fact, a single dose has been shown to significantly increase levels of vitamin B3 in its coenzyme form.
WHY YOUR VITAMIN B3 COENZYME WINDS DOWN WITH AGE
Here is the catch: this coenzyme is not fixed for life. Detailed research reviews report that our capacity to maintain it falls as we age, which is thought to be one reason cellular energy metabolism becomes less efficient over time. The encouraging news is that the precursor can be topped up. A randomised trial in healthy middle-aged and older adults found that six weeks of NR was well tolerated and raised vitamin B3 coenzyme levels significantly. A separate study in aged skeletal muscle showed NR increased the muscle coenzyme metabolome as well. As a source of vitamin B3, NR contributes to normal energy metabolism and supports the relief of mild, everyday tiredness and fatigue.
WHAT THE HUMAN RESEARCH ACTUALLY SHOWS
Across human trials, two findings come up again and again: NR reliably raises vitamin B3 coenzyme activity and it is well tolerated at supplemental doses. Trials in obese men and in overweight adults both reported good safety and tolerability over weeks of daily use. Bigger and longer studies are still underway, and NR is not a magic switch. But the clearest, best-replicated result so far is a reliable, well-tolerated way to raise the very coenzyme your cells depend on for energy, and that is a solid foundation to build on.
NICOTINAMIDE RIBOSIDE VERSUS OTHER PRECURSORS
NR is emerging as the most favourable of the vitamin B3 coenzyme precursors, thanks to its bioavailability, safety and strong ability to raise B3 coenzyme activity compared with other precursors. Part of that edge comes down to how it gets into the cell: because NR is already small enough to enter directly, it sidesteps the extra conversion step that larger precursors like NMN require. For everyday energy support, that combination of tolerability and evidence is what makes NR such an appealing option.
Is Nicotinamide Riboside For Me?
NR suits adults who want to support their everyday energy, general health and wellbeing and normal mental function as they get older. It is a general wellness supplement, a way to support the cellular machinery behind your energy, not a replacement for good sleep, regular movement and a balanced diet.
How Do I Take It?
Natural Factors Nicotinamide Riboside delivers 150 mg of nicotinamide riboside chloride. Take it as directed on the label. If symptoms persist, talk to your health professional.
Your cells never clock off, and neither does the vitamin B3 coenzyme that powers them. By topping up the precursor your body uses to make it, Natural Factors Nicotinamide Riboside supports energy production, supports general health and wellbeing, and supports the relief of mild, everyday tiredness, a small daily habit for the energy behind your energy. Explore more at Natural Factors Nicotinamide Riboside.
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