What are the ingredients derived from? Ceylon Keeslar October 01, 2019 14:44 Updated Follow Ox bile is derived from grass-fed oxen (bovine) with no use of synthetic hormones or antibiotics. Related articles What are the possible interactions or side effects of using this product? Does this product contain gluten, soy, or grains? What is the reasoning for each ingredient in this product? Can lithium help the absorption of vitamin B12 into the cells? What are the ingredients in ProBiota HistaminX derived from? Comments 0 comments Article is closed for comments.