Quick melt fully active b12 is a fast acting and pleasant tasting vitamin b12, provided as methylcobalamin, its most biochemically active form. Vitamin b12 is essential for healthy mood and memory management and for fundamental life processes such as healthy gene regulation (epigenetics), nerve cell communication, and the recycling of homocysteine, a potentially toxic metabolite, from pregnancy through old age. Quick melt delivery helps ensure rapid B12 action.