NAD+ Benefits: Energy, Anti-Aging & Brain Health — What the Research Shows

By Verum Health Medical Team · April 1, 2026 · 8 min read

NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell of your body. It plays a central role in energy metabolism, DNA repair, and cellular aging. After age 40, NAD+ levels decline by roughly 50% — and that decline is linked to fatigue, cognitive fog, slower recovery, and accelerated aging.

Top NAD+ Benefits Backed by Research

1. Energy & Mitochondrial Function

NAD+ is essential for converting food into cellular energy (ATP). Without adequate NAD+, mitochondria — your cells' power plants — operate inefficiently. Clinical research shows NAD+ supplementation can significantly improve energy levels, particularly in aging adults and those with chronic fatigue.

2. DNA Repair & Longevity

NAD+ activates sirtuins (SIRT1-7), a family of proteins that regulate DNA repair, inflammation, and cellular stress response. Sirtuins are considered key longevity regulators — and they require NAD+ to function. Higher NAD+ levels = more active sirtuin activity = more efficient DNA repair.

3. Brain Health & Cognitive Function

NAD+ supports neuronal health and protects against neurodegeneration. Studies show NAD+ precursors can improve working memory, processing speed, and cognitive flexibility. It's increasingly used in protocols targeting brain aging and neuroprotection.

4. Metabolic Health & Weight Management

NAD+ influences insulin sensitivity, glucose metabolism, and fat oxidation. Research shows it can improve metabolic markers in overweight individuals and supports healthy body composition when combined with lifestyle interventions.

5. Athletic Recovery

NAD+ reduces oxidative stress and supports faster muscle repair after exercise. Athletes and active individuals report improved recovery times and reduced soreness with regular NAD+ protocols.

Injectable NAD+ vs. Oral Supplements

Oral NAD+ supplements (NMN, NR) have poor bioavailability — most is broken down before reaching the bloodstream. Prescription injectable NAD+ bypasses this entirely, delivering the compound directly into circulation at therapeutic doses. At Verum Health, we offer:

• NAD+ 100mg/mL (5mL vial) — subcutaneous injection protocol
• NAD+ Nasal Spray (10mg/0.1mL) — for cognitive focus and daily use