W.O.W › Peanut Butter-Banana Protein Smoothie Image 1 of 1 Peanut Butter-Banana Protein Smoothie $8.00 Collagen with probiotics, peanut butter powder, coconut milk, non-fat Greek yogurt, and a banana. 16 oz Add To Cart Added! Collagen with probiotics, peanut butter powder, coconut milk, non-fat Greek yogurt, and a banana. 16 oz