NO SHOT B12 (as cyanocobalamin) B12 MicroLingual® Tablets go to work fast,under the tongue. This concept is critical for B-12 supplementation. Other forms of B-12 supplementation can result in a loss of as much as 50% of the B-12 potency in the high acid environment of the stomach. Our NO SHOT B-12 (as cyanocobalamin) provides essential nutrients for the support of the heart and cardiovascular system.*