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Low B12 levels can contribute to fatigue, weakness, anemia, and neurological symptoms

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Sevgiler et al., 2011), glutamic acid has been reported to chelate redox-active metals

doi: 10.3389/fnagi.2022.976316 163 WangS.LvD.JiangS.JiangJ.LiangM.HouF.et al
Vitamin B12 deficiency symptoms: Look inside your mouth - it could show signs you lack B12 VITAMIN B12 - your body may struggle to absorb this nutrient from the foods you eat

10.1016/j.cyto.2008.06.011 169
