Dr. Alexander Landfield
Board-Certified Neurologist & Medical Director
Nicotinamide adenine dinucleotide, or NAD+, is a coenzyme found in every living cell that plays a central role in energy metabolism, DNA repair, and cellular signaling. The age-related decline of NAD+ levels has emerged as one of the key drivers of cellular aging, making NAD+ supplementation a compelling intervention for both health and aesthetics. At Rani Beauty Clinic in Renton, WA, we offer NAD+ injections as part of our wellness program.
NAD+ participates in hundreds of enzymatic reactions critical for cellular function. In its role as an electron carrier in the mitochondrial electron transport chain, NAD+ is essential for converting nutrients into ATP, the energy currency that powers every cellular process. Without adequate NAD+, cells cannot produce sufficient energy for maintenance, repair, and regeneration.
The connection to aging is significant. NAD+ levels decline naturally with age, with studies suggesting a approximately fifty percent decline between ages forty and sixty. This decline correlates with reduced mitochondrial function, impaired DNA repair capacity, decreased sirtuin activity, and increased susceptibility to metabolic dysfunction. Each of these changes has direct implications for skin health.
Sirtuins are a family of proteins that depend on NAD+ for their function. These proteins regulate DNA repair, inflammation, metabolic function, and stress resistance. SIRT1, the most studied sirtuin, promotes DNA repair and reduces inflammatory signaling. SIRT3 supports mitochondrial function. When NAD+ levels are insufficient, sirtuin activity drops, compromising these protective pathways.
For skin specifically, NAD+ decline manifests through multiple pathways. Reduced cellular energy impairs fibroblast function, slowing collagen and elastin production. Compromised DNA repair allows accumulated UV damage to go unrepaired, accelerating photoaging. Increased inflammation from reduced sirtuin activity contributes to chronic skin inflammation. Impaired mitochondrial function reduces the skin's capacity to recover from environmental stress and professional treatments.
NAD+ supplementation through injection provides direct replenishment. Unlike oral supplements that face significant degradation during digestion and first-pass liver metabolism, injection delivers NAD+ precursors directly into circulation for immediate availability to cells. At Rani Beauty Clinic, we offer NAD+ injections at various dosage levels depending on patient goals and health profile.
The aesthetic benefits of NAD+ supplementation extend beyond skin. Improved cellular energy translates to better cognitive function, enhanced physical endurance, and improved recovery from both exercise and aesthetic treatments. Many patients report feeling more energetic and mentally clear after NAD+ injection protocols, benefits that contribute to overall vitality and appearance.
Research on NAD+ supplementation is active and growing. While large-scale clinical trials specifically for aesthetic outcomes are still emerging, the underlying biology is well-established: adequate NAD+ levels are essential for cellular functions that directly affect skin quality and aging rate. The preclinical and early clinical data supporting NAD+ supplementation for longevity and cellular health is compelling.
At Rani Beauty Clinic, NAD+ injections are offered as part of a comprehensive wellness approach. We typically recommend NAD+ as a complement to professional aesthetic treatments and medical-grade skincare rather than a standalone anti-aging intervention. The combination of external treatments addressing skin directly with internal NAD+ support enhancing cellular function creates a more complete approach.
Treatment protocols vary by individual goals. Some patients receive weekly NAD+ injections for sustained cellular support. Others choose monthly or bimonthly sessions as part of a broader wellness injection program that may include B12, glutathione, and vitamin D.
Discuss NAD+ injection therapy during your wellness consultation at Rani Beauty Clinic to determine if it aligns with your health and aesthetic goals.
