NAD+ (nicotinamide adenine dinucleotide) is one of the most important coenzymes in the human body, present in every cell and essential to hundreds of metabolic processes. It serves as a critical driver of cellular energy production, a key activator of proteins involved in DNA repair, and a regulator of biological processes tied to how we age, think, and feel. The challenge is that NAD+ levels decline significantly with age; by middle age, most people have roughly half the NAD+ levels they had in their twenties. This decline is associated with reduced energy, slower cellular repair, and diminished cognitive sharpness.
At the cellular level, NAD+ fuels the mitochondria by acting as an electron carrier in the process of converting nutrients into ATP, the body's primary energy currency. Higher NAD+ levels mean more efficient mitochondrial function, which translates directly into sustained energy production throughout the day. NAD+ also activates a family of proteins called sirtuins, which regulate cellular stress responses, inflammation, and the repair of damaged DNA. Sirtuins have been widely studied for their connection to healthy aging and longevity.
Beyond energy and repair, NAD+ plays a significant role in brain health. It supports the production of neurotransmitters involved in focus, memory, and mood, and protects neurons from oxidative stress. Many patients report improvements in cognitive clarity, mental sharpness, and overall sense of vitality as NAD+ levels are restored.
At RegenMD, NAD+ is administered as an intramuscular injection using a 28G/29G syringe, delivered Monday, Wednesday, and Friday over a five or ten-week program. Intramuscular delivery bypasses the digestive system, ensuring full absorption compared to oral NAD+ supplements, which degrade significantly before reaching the bloodstream. Your provider personalizes your protocol and monitors your response throughout.
What This Means For You
- Increased cellular energy and reduced fatigue
- Strengthens DNA repair and cellular health
- Sharper mental clarity and cognitive function
- Promotes healthy mitochondrial function
- Promotes healthy aging at the cellular level
- Regulates circadian rhythm and appetite
- Higher absorption than oral NAD+ supplements