NO SHOT Methylcobalamin Vitamin B-12/Vitamin B6 w/L-5 Methyltetrahydrofolate 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.This supplement is a combination of activated B-12 (methylcobalamin), activated Folate (L-5 methyltetrahydrofolate) and B6, which are three critical B vitamins required for control of elevated homocystein levels