NO SHOT Methylcobalamin Vitamin B-12/Vitamin B-6 w/Folic Acid MicroLingual_ Tablets go to work fast,under the tongue. Other forms of Vitamin B-12 supplementation can result in a loss of as much as 50% of Vitamin B-12 potency in the high acid environment of the stomach. The combination of Vitamin B-12, Vitamin B-6 and Folic Acid works synergistically to support healthy heart function and provide essential nutrients for the cardiovascular system.