What does this video actually claim?
@queenroutine.co lists six benefits of NAD+ supplements: anti-aging and cellular repair, better mental clarity, increased energy through mitochondrial support, improved metabolism and fat burning, DNA repair and longevity, plus reduced brain fog and exhaustion. These are pretty sweeping claims for a supplement that costs anywhere from $30 to $200 per month.
The creator presents these benefits as facts rather than possibilities. That's where things get problematic.
Does the research actually support these claims?
The science on NAD+ supplements is surprisingly thin for how popular they've become. Most studies showing benefits use IV NAD+ or examine NAD+ precursors like nicotinamide riboside (NR) or nicotinamide mononucleotide (NMN), not the NAD+ molecule itself.
A 2022 randomized trial (Dolopikou et al., Nutrients) found that 1000mg daily NR improved some fatigue measures in healthy adults after 6 weeks. But the changes were modest and didn't reach statistical significance for most outcomes.
The problem? Oral NAD+ gets broken down in your digestive system before it can raise cellular NAD+ levels meaningfully. You're essentially paying premium prices for expensive urine.
What did the creator get wrong about metabolism and DNA repair?
The claims about fat burning and metabolism optimization aren't backed by human studies. While NAD+ does play a role in cellular energy production, there's no evidence that supplements boost your metabolic rate or help you burn fat.
The DNA repair claim is particularly misleading. Yes, NAD+ is involved in DNA repair pathways in laboratory studies. But a 2021 systematic review (Covarrubias et al., Cell Metabolism) found no clinical evidence that NAD+ supplements improve DNA repair in humans.
The longevity claims come from mouse studies that don't translate to humans. Mice given NAD+ precursors lived longer, but we're not mice.
Are there any legitimate benefits?
Some people do report feeling more energetic on NAD+ precursors, though this could be placebo effect. The Dolopikou study did show some improvement in subjective energy levels, even if objective measures weren't impressive.
NAD+ levels do decline with age, dropping by about 50% between ages 40 and 60 according to research by Massudi et al. (PLoS One, 2012). Whether supplementing helps reverse this decline remains unclear.
IV NAD+ therapy shows more promise than oral supplements, but it's expensive, time-consuming, and still lacks strong clinical evidence for most claimed benefits.
What should you actually know about NAD+?
NAD+ supplements are expensive and probably unnecessary for most people. If you want to support your cellular energy naturally, focus on exercise, adequate sleep, and a balanced diet.
The supplement industry has jumped on NAD+ before the science caught up. Most oral NAD+ products don't significantly raise cellular NAD+ levels, making their benefits questionable at best.
Save your money unless you're participating in a clinical trial. The evidence just isn't there yet to justify the hype or the price tag.