Being deficient in vitamin B12 can affect a persons mood and may lead to mental health problems
Vitamin B6 helps your body produce the red blood cells that carry oxygen to every tissue
Methylcobalamin is more bioavailable than its synthetic counterpart, cyanocobalamin, and therefore more effective because it is absorbed more readily by the body
But including foods high in these vitamins (like whole grains, meats, eggs, dairy, leafy greens, nuts) as tolerated can help maintain levels once the course of injections is over
For this reason, B12 shots are sometimes used to offset the many symptoms of vitamin B12 deficiency, such as fatigue and weakness, poor moods, and low concentration