From the manufacturer:

Kirkland Signature One Per Day Super B-Complex with Electrolytes is a perfectly balanced formulation of B Vitamins 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.

• Supports Energy Metabolism
• Electrolytes for Hydration
• Promotes Antioxidant Health

Purchase includes one bottle - 500 tablets total.