Vitamin B-12 (cyanocobalamin) 1000 mcg per dissolvable tablet to support energy production, brain health, and normal homocysteine levels for heart health. Sublingual tablets dissolve quickly under the tongue for fast absorption. Non-GMO with no excessive fillers, additives, or excipients. Pack of 2 with 100 dissolvable tablets per pack from Superior Source, formulated since 1998 in a family-owned facility.