Herbs of Gold Activated Sublingual B12Nervous system health Dissolves under the tongue Active form of vitamin B12 Herbs of Gold Activated Sublingual B12 provides 1000 micrograms of co methylcobalamin, the active form of vitamin B12, in a pleasant tasting tablet that conveniently dissolves under the tongue. Activated Sublingual B12 contains the active form of vitamin B12 (co methylcobalamin). Other forms of vitamin B12, such as cyanocobalamin, have to be converted to co methylcobalamin for