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Evaluation of safety and effectiveness of NAD in different clinical conditions: a systematic review

However, most cases are due to excess supplementation or due to a functional deficiency, where the person is actually deficient in B12

Peterson, L

Early diagnosis and management are crucial in preventing complications

*Correspondence: Tams Molnr, [email protected] These authors have contributed equally to this work This article was submitted to Nutrition and Microbes, a section of the journal Frontiers in Nutrition Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers