Mason Natural B Complex is the best vitamin B supplement that doesn’t contain vitamin B12 and folate. The formula contains vitamins B1, B2, B6, niacin, and pantothenic acid. So, this supplement supports the normal function of the cardiovascular, pulmonary, and central nervous systems. Another advantage is that the product contains no sugar, starch, eggs, wheat, corn, dairy, and yeast. It also doesn’t have any artificial flavors or preservatives.