Sundown Naturals Vitamin B Complex, 100 Tablets Each (Value Pack of 2). B Complex from Sundown Naturals is made up of several B vitamins that work together to support your nervous system and overall well-being.* Each B Complex vitamin helps to convert food into energy, so you can make every day a great day.* One vegetarian/vegan-friendly tablet daily is all you need to reap the benefits of Thiamin, Riboflavin, Niacin, B6, Folic Acid, and B12.