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The chemical name is 5,6-dimethyl-benzimidazolyl cyanocobamide
Vitamin B12 deficiency can cause fatigue, memory and cognitive loss, myalgias(leg and back pain), poor digestion, mood changes, hair loss, weight gain due to poor metabolism
doi: 10.1016/j.ecoenv.2020.110853 43 GuptaN.RamH.KumarB
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