Our Services
Medical Information
Helpful Resources
Published on: 5/5/2026
NAD+ plays a central role in cellular energy production, DNA repair, healthy inflammation balance and neurotransmitter synthesis, all of which support clear thinking, memory and overall brain resilience. Since NAD+ levels decline by up to 50 percent between ages 40 and 60, doctors often prescribe oral precursors like nicotinamide riboside or intravenous NAD+ to restore these functions and counteract cognitive decline.
There are several factors to consider including the right form, dosage, safety monitoring and lifestyle integration, so see below for clinical evidence, supplementation options and guidance on the next steps with your doctor.
As we get older, maintaining sharp thinking, good memory, and overall brain health becomes a top priority. Many doctors now turn to NAD+ (nicotinamide adenine dinucleotide) as part of a strategy to support the aging brain. Below, we'll explain what NAD+ is, why it matters for your mind, and how it fits into a holistic approach to brain wellness.
NAD+ is a coenzyme found in every living cell. It plays a central role in:
When NAD+ levels decline, cells struggle to produce energy, repair damage, and manage stress. In the brain, these deficits can translate into slower thinking, memory lapses, and heightened risk for neurodegenerative conditions.
Research shows that adequate NAD+ levels are crucial for several aspects of brain health:
Studies consistently show NAD+ concentrations fall by up to 50% in many tissues — including the brain — between ages 40 and 60. Consequences may include:
Supporting NAD+ levels becomes a proactive way to counteract these age-related shifts.
Growing clinical data underpin the use of NAD+ precursors or NAD+-enhancing therapies for brain support:
Physicians prescribing NAD+ for aging brain support typically aim to:
Doctors may recommend different strategies depending on individual needs:
NAD+ supplementation is considered safe for most people when used as directed. However:
NAD+ is one piece of a broader approach to aging brain support. Your doctor will likely recommend combining NAD+ therapy with:
If you're noticing memory lapses, difficulty concentrating, or other cognitive changes, try Ubie's free Medically approved LLM Symptom Checker Chat Bot to receive personalized health insights and recommendations based on your specific symptoms.
Always remember:
NAD+ for aging brain support represents a promising avenue in preventive neurology. By replenishing this vital molecule, you can help maintain energy production, DNA repair, and neuronal resilience—key factors in preserving mental clarity and memory as you age. Work closely with your doctor to tailor NAD+ therapy to your unique health profile, integrate healthy lifestyle habits, and monitor progress.
Speak to a healthcare professional about any questions or concerns, and don't hesitate to use the free Medically approved LLM Symptom Checker Chat Bot for guidance on your next steps. Always reach out to a doctor if you experience serious or life-threatening symptoms.
(References)
* Pillai VB, Hottman DA, Van Guilder GP, Braidy N, Van Guilder MW. NAD+ in Brain Aging and Neurodegenerative Disorders. Curr Med Chem. 2020;27(24):4054-4069. doi: 10.2174/0929867326666191206100917. PMID: 32014088. https://pubmed.ncbi.nlm.nih.gov/32014088/
* Kim SJ, Kim HJ, Shim JM, Ko H, Kim H, Choi BY. NAD+ in Brain: From Metabolism to Therapeutics. Int J Mol Sci. 2021 Jun 25;22(13):6827. doi: 10.3390/ijms22136827. PMID: 34199140. https://pubmed.ncbi.nlm.nih.gov/34199140/
* Hörl B, Schrattenholz M. NAD+ Metabolism in Brain Health and Disease. Life (Basel). 2022 Jul 28;12(8):1135. doi: 10.3390/life12081135. PMID: 35925008. https://pubmed.ncbi.nlm.nih.gov/35925008/
* Giacomini C, Colas D, Vercellino M, Grassi S, Varese M, Foti M. Targeting NAD+ metabolism for neuroprotection: therapeutic potential of NAD+ precursors. Cell Mol Life Sci. 2022 Sep 10;79(9):487. doi: 10.1007/s00018-022-04505-z. PMID: 35942461. https://pubmed.ncbi.nlm.nih.gov/35942461/
* Lautrup S, Sinclair DA, Mattson MP, Fang EF. NAD+ precursors as potential therapeutics for neurodegenerative diseases and brain aging. Cell Metab. 2019 Jun 4;29(6):1219-1238. doi: 10.1016/j.cmet.2019.04.001. PMID: 31056587. https://pubmed.ncbi.nlm.nih.gov/31056587/
We would love to help them too.
For First Time Users
We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.
Was this page helpful?
Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.