
LONGEVITY with Nathalie Niddam Episode #263: Dr. Greg Kelly: NAD+ in Aging: Effects on Longevity + How it Works
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Aug 30, 2024 Dr. Greg Kelly, a leading expert and author focused on NAD+ and aging, shares fascinating insights into the role of this vital molecule in longevity. He explains how NAD+ supports cellular health and its crucial role in energy production and DNA repair. The discussion includes the timing of NAD+ supplementation for optimal metabolic benefits and explores the effectiveness of NAD+ infusions. Additionally, Dr. Kelly highlights the relationship between NAD+ levels and gut health, emphasizing the importance of a balanced approach to supplementation.
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B3 Deficiency History
- NAD+ history links to vitamin B3 deficiency, causing issues like diarrhea, dermatitis, and dementia.
- Early 1900s, corn-based diets lacked bioavailable B3, solved by traditional alkali soaking techniques.
NAD+ Redox Roles
- NAD+ acts as a redox molecule, essential for carrying electrons to mitochondria for ATP production.
- NAD+ exists in various forms (NAD+, NADH, NADP+, NADPH) with specific redox functions.
NAD+ and Aging
- Historically, NAD+'s redox role was its primary function.
- A healthy NAD+/NADH ratio is crucial, with NAD+ levels declining and NADH rising with age.

