what sublingual b12 can be injected vs. B12 Injections: Which Option Is Right for You? – WhyNotNatural Vitamin B12 injections for MTHFR:

We also discovered that the metabolic and behavioural phenotypes responded to vB12 treatment

Signs Your Brain Fog Is Not Just Stress Here is a simple way to think about the difference: If your brain fog has been hanging around for weeks, does not budge with rest, and comes with any of the physical symptoms listed above, that is worth taking seriously

According to the NLM, good sources of vitamin B include: Fish like salmon Poultry like chicken and turkey Meat like beef or lean pork chops Leafy greens like spinach Legumes like beans, peas, and lentils Still, many people choose to get more vitamin B by taking a supplement

Chronic treatment should be done with an oral preparation in patients with normal intestinal absorption