Do NAD levels decrease with age?

Yes, NAD levels are known to decline as people age.

Is NAD good for exercise recovery?

Sports trainers and athletic programs believe NAD plays a role in exercise recovery, with some teams even using NAD-boosting supplements.

Why can't I just take NAD supplements directly?

You need to take a precursor to NAD because direct supplementation is not as effective, or there are specific reasons related to how the body processes it.

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Watch my episode with Dr. Charles Brenner

FoundMyFitness

Science & Technology2 min read2 min video

Feb 10, 2026|4,321 views|144|6

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TL;DR

NAD is vital for cellular functions like energy, building, and repair, declining with age. Precursors are needed, not direct NAD.

Key Insights

NAD is crucial for fundamental biological processes: converting fuel, building molecules, and cellular repair.

NAD levels naturally decrease as organisms age.

The direct supplementation of NAD is not effective; precursors are necessary for boosting NAD levels.

NAD plays a role in exercise recovery and is used by athletes.

The speaker's technology led to the development of the NAD-boosting industry.

Research published in 2020 yielded surprising results regarding NAD.

THE FUNDAMENTAL ROLES OF NAD

When the term NAD is mentioned, it often evokes thoughts of anti-aging supplements. However, its importance in biology extends far beyond this association. NAD co-enzymes are critical for three primary cellular functions: converting fuel into energy, synthesizing essential molecules for the body, and repairing cellular damage. These fundamental processes highlight NAD's indispensable role in maintaining biological health and function across all living organisms.

NAD DECLINE AND SUPPLEMENTATION CHALLENGES

A well-established biological fact is that NAD levels tend to decline significantly with age. This observation has fueled a large market for NAD-boosting supplements. Despite the widespread use of these supplements, a critical distinction must be made about direct NAD supplementation. It is ineffective to simply supplement with NAD itself.

THE IMPORTANCE OF NAD PRECURSORS

The reason direct NAD supplementation is ineffective is that the body cannot directly utilize NAD when ingested. Instead, the body requires NAD precursors, which are compounds that the cells can convert into NAD. This is why supplements focus on providing these precursor molecules, allowing the body to naturally synthesize the NAD it needs. The speaker's own technological advancements contributed to the development of nicotinamide riboside and the subsequent NAD-boosting industry.

NAD AND EXERCISE RECOVERY

Beyond its core metabolic functions and age-related decline, NAD also plays a significant role in exercise recovery. Sports trainers and athletic programs widely acknowledge and utilize this benefit. For instance, it is widely known that professional sports teams, like the Patriots, have incorporated Niagen, a specific NAD precursor, into their regimens for many years, underscoring its perceived value in enhancing athletic performance and recovery.

SCIENTIFIC ADVANCEMENTS AND INDUSTRY GROWTH

The journey from understanding NAD's biological importance to developing effective supplementation strategies has been marked by significant scientific inquiry. A pivotal moment mentioned is a paper published in 2020 that yielded a surprising and impactful result. This line of research, partly pioneered by the speaker's technology, has been instrumental in fostering the growth of the NAD-boosting supplement industry over the years.

EFFECTIVE STRATEGIES FOR BOOSTING NAD

The crucial takeaway for individuals looking to support their NAD levels is the necessity of using precursors rather than direct NAD supplements. The body's natural pathways are designed to synthesize NAD from specific precursor molecules. Understanding these biological mechanisms is key to making informed choices about health and longevity. The speaker emphasizes that listeners need to know why precursors are the effective route for boosting NAD.