Cyto B12 - 500mcg DropsSigns and symptoms of vitamin B12 deficiency include fatigue, cognitive decline, mood changes, peripheral neuropathy, restless legs syndrome, macrocytic anemia, and hyperhomocysteinemia Vitamin B12 supplementation can be found in several forms, although methylcobalamin is the form primarily found in plasma and cerebrospinal fluid Methylcobalamin has been specifically studied for its ability to improve peripheral neuropathy, multiple sclerosis, low