What is Bloom Gelatin from? Ben Prasser Updated August 20, 2018 08:31 Follow Our Bloom Gelatin is from grass-fed cows. Related articles Collagelatin v.s. Collagen What is the difference between Cacao Butter and Grass-Fed Butter? We've Launched A New Store! Here are some Frequently Asked Questions. Via Email Where is your Collagen sourced from? Comments 0 comments Please sign in to leave a comment.