21st Century B Complex with Vitamin C is a comprehensive dietary supplement containing essential B vitamins combined with Vitamin C. This 30-caplet formula is designed to support energy metabolism, immune function, and help reduce fatigue while promoting overall health and wellness. The product comes in a white bottle containing 30 caplets. As a dietary supplement, it combines the benefits of B-complex vitamins (including B1, B2, B3, B5, B6, B12, and folic acid) with Vitamin C. The 21st Century brand is known for producing quality nutritional supplements. The product is labeled as a dietary supplement and should be taken according to the recommended dosage instructions on the package.