vitamin b12 injections folic acid Do You Need a Prescription for Injections? especially for those at high risk or with malabsorption Folate support in TPN or PPN parenteral nutrition Antidote for methotrexate toxicity and as rescue therapy Neural tube defect prevention in women of childbearing age unable to take oral folate Folic Acid (0.7mg) and Methylcobalamin

Animal doses cannot be directly extrapolated to humans Key Research Findings# Selective and membrane-permeable small molecule inhibitors of nicotinamide N-methyltransferase reverse high fat diet-induced obesity in mice , published in Biochemical Pharmacology (Neelakantan H et al., 2018

Well, the duration of B12 injections can vary from person to person

Why do some people experience joint aches after starting B12

Effects of meal ingestion on plasma amylin concentration in NIDDM and nondiabetic humans

B12 supports the body's production of red blood cells and the protective coating surrounding our nerves and inadequate B12 levels can result in nerve damage over time