Douglas Laboratories B-Complex
Metafolin contains only the S isomer of 5_MTHF and has been shown to be the only form of folate to be able to cross the blood_brain barrier.
Studies indicate that methylcobalamin, a coenzyme form of B12, may be better utilized and better retained in the body.
Intrinsic factor is a protein produced by cells in the stomach lining and is needed for the intestines to absorb vitamin B12 efficiently.
* These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.