glutathione rich foods sources which increase food 11 Whole to Support — Functional Health Research + Resources — Made Whole Nutrition Foods to Boost Glutathione Top 8 Glutathione Foods – best food sources of glutathione

PMID 25195560

It is synthesized primarily in the liver, though individual cells can help regulate their own intracellular glutathione levels based on metabolic need

doi: 10.1371/journal.pone.0189117 123 TownsendJ.BrazC

Overdose of Methylcobalamin Injection Symptoms of Overdose In some cases, when much methylcobalamin is taken, it can cause symptoms like feeling lightheadedness or having a headache, or feeling nauseous, and, in some situations, even anaphylaxis could occur as a result of an overdose of methylcobalamin Too much methylcobalamin could also make certain existing medical conditions worse such, as kidney problems or heart issues