Enjoy a break with Kellogg's Special K Milk Chocolate snack bars. Each bar is made with cereal with milk chocolate chunks, then dipped in a smooth chocolate layer. Special K Bars are a source of vitamin B3 which contributes to the reduction of tiredness and fatigue and vitamin B9 which contributes to the normal function of the immune system. Enjoy the Special K Range as part of a varied, balanced diet and a healthy lifestyle.