Methylcobalamin is the only form of vitamin B12 found in the brain. The liver is unable to convert the common form of B12, cyanocobalamin, into an ample supply of methylcobalamin. Methylcobalamin supports a healthy brain and spinal cord. ProHealth's Neuro B-12 sublingual delivery system ensures optimal absorption and maximum benefits. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.