Kirkland Signature One Per Day Super B Complex with Electrolytes contains 250 tablets and is a perfectly balanced formulation of Vitamin B to support energy metabolism, plus key electrolytes to help keep you hydrated when taken with adequate liquid. This formula also helps to maintain a healthy nervous system and convert food into energy while the Vitamin C supports antioxidant health. The benefits of Kirkland Signature Super B Complex with Electrolytes Dietary Supplement includes: supports of energy metabolism, electrolytes for hydration and promotes antioxidant health.