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PMID: 31527485

Studies show that B12 deficiency is especially common in pregnant women , vegetarians , older adults , and people with digestive issues or chronic medication use , even in those who feel fine until they suddenly crash

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By influencing NAD activity, it provides scientists with a dependable tool for exploring energy balance, cellular pathways, and molecular regulation in controlled laboratory settings

National Library of Medicine: Vitamin B12 Deficiency Obesity Science and Practice: Inositol supplementation and body mass index: A systematic review and meta-analysis of randomized clinical trials Annual Review of Nutrition: Choline and Human Nutrition