If I took vitamin B12 injections and folic acid along with magnesium, a B complex, and carnitine, but there was no improvement and my condition actually worsened with increased anxiety, does this mean B12 Shots: Amazing Benefits You Should Know About Solea Medical Spa Deficiencies in vitamin B12 and folate can often have overlapping symptoms, and serum levels of these nutrients aren't all that accurate when making a diagnosis. People with B12 deficiency can experience neurological More blood results (prior to b12 injections) : r B12_Deficiency