Bulletproof? Chocolate Dipped Collagen Bars are a delicious keto-friendly snack you can feel good about eating. Our bars have collagen protein to provide essential building blocks for skin, joints and bones. Made with cashew butter and MCT oil, they are a satisfying snack with protein and quality fats for sustained energy. So, indulge a little, because these bars have nutritional benefits to keep you on track while enjoying some chocolate goodness. Age Group: adult.