Is Methylcobalamin Safe?

Is Methylcobalamin Safe? According to the Natural Medicines Database, methylcobalamin, also known as Methyl B12, is considered likely safe when used appropriately. However, high doses of this vitamin may cause adverse effects. What are the side effects of methylcobalamin? Nausea. Vomiting. Diarrhea. Loss of appetite. Headache. How much B12 methylcobalamin should I take daily? The