What Is NR (Nicotinamide Riboside)?

Nicotinamide Riboside (NR) is a special form of vitamin B3 that works as a precursor to NAD+ (Nicotinamide Adenine Dinucleotide), a molecule found in every cell in your body [1]. NAD+ is vital for energy, healthy ageing, brain function, and cell repair. Taking NR, in the form of an oral supplement or alternatives, helps the body increase NAD+ levels, especially as we age and those levels start to drop naturally.

Why is NR important?

NR is important because it supports the body’s ability to make NAD+, which helps with:

Turning food into energy
Repairing cells and DNA
Reducing tiredness and fatigue
Supporting brain and muscle health
Slowing signs of ageing at the cellular level

What are the benefits of NR supplements?

Many people take NR supplements to help:

Boost daily energy and reduce fatigue
Improve mental focus and memory
Support healthy ageing and cellular repair
Recover better from exercise or physical stress
Promote a healthier metabolism

Research into NR is still growing, but early studies and user feedback are promising.

How does NR boost NAD+ levels?

When you take NR, your body quickly converts it into NAD+ through a natural process [2]. This makes it one of the most effective and efficient ways to raise NAD+ levels through supplementation.

Is NR found in food?

NR exists in trace amounts in some foods, such as:

Milk
Yeast
Fish
Chicken

However, these amounts are too small to significantly increase NAD+ levels on their own, which is why NR is usually taken as a supplement.

Is NR safe to take?

Yes, NR is considered safe for healthy adults when used at recommended doses. Side effects are rare but may include mild digestive discomfort. It’s always a good idea to talk to a healthcare provider before starting NR supplements, especially if you are pregnant, breastfeeding, or taking other medications.

How is NR taken?

NR is usually taken as a capsule or tablet once or twice a day. Some people choose to take it in the morning to support energy and focus throughout the day. It can also be combined with other nutrients that support NAD+ metabolism.

Key Takeaways

NR (Nicotinamide Riboside) is a type of vitamin B3 that helps increase NAD+ levels in the body.
NAD+ is essential for energy production, cell repair, and healthy ageing.
NR supplements may support better energy, brain clarity, and overall vitality.
It's safe for most people but should be used under professional guidance if you have health conditions.
NR works best as part of a healthy lifestyle that includes good nutrition, sleep, and exercise.

Reminder: Nicotinamide Riboside is one of the most researched NAD+ precursors. While it’s not a cure-all, it may help support how your body feels and functions as you age.

Sources

[1] Mehmel M, Jovanović N, Spitz U. Nicotinamide Riboside-The Current State of Research and Therapeutic Uses. Nutrients. 2020 May 31;12(6):1616. doi: 10.3390/nu12061616. PMID: 32486488; PMCID: PMC7352172.

[2] Luis Rajman, Karolina Chwalek, David A. Sinclair, Therapeutic Potential of NAD-Boosting Molecules: The In Vivo Evidence, Cell Metabolism, Volume 27, Issue 3, 2018, Pages 529-547, ISSN 1550-4131, https://doi.org/10.1016/j.cmet.2018.02.011.