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Because chronic fatigue often involves overlapping nutrient deficiencies and poor gut absorption, IV infusions offer a reliable path to consistent B12 and micronutrient delivery

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[DOI] [PMC free article] [PubMed] [Google Scholar] 296.Guan, Y

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When NAD+ is depleted, ATP production suffers and fatigue results

Collectively, this study provides a solid foundation for future exploration into the impact of NNMTi-and diet-mediated changes to the gut microbiome in obese and lean populations, as well as future targets to investigate mechanistically with NNMTi treatment