How many servings are recommended on fasting days? Zeni Updated January 09, 2018 12:34 Follow We recommend you taking 8 oz of bone broth per day. We don't recommend increasing the serving size when you are fasting. You can find more information and advice on our blog: The Kettle and Fire Blog Related articles Is the Beef Bone Broth certified organic? Do they have hormones and antibiotics? Does the USDA certify grass-fed animals? Comments 0 comments Please sign in to leave a comment.