Windmill Vitamin B-Complex (100% Daily Value) Tablets. B-Complex formula provides you with 100% of the Recommended Daily Intake (RDI) of B1, B2, Niacin, B6, Folic Acid, B12 and Pantothenic acid per tablet. Seven individual B vitamins make up this family of nutrients that help convert the food you eat into cellular energy that fuels your body. Promotes Energy. Nervous System Support. Supports Heart Health. Free of artificial colors, flavors and preservatives.