Feng, X., Li, L., & Zhang, Y
* Correspondence: Peijun Liu, [email protected] These authors have contributed equally to this work Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

BodyBio Calcium Magnesium Butyrate Best overall and best high-dose single-ingredient butyrate supplement Photo by Innerbody Research Pros High 1.2g dose of butyrate Significant quantities of calcium and magnesium Third-party tested to validate potency Lowest up-front cost (100-count bottle) Lowest per-serving costs (either size) Highest subscription discount (15%) Relatively wide range of delivery intervals 60-day return policy Numerous payment options Vegan Cons Cal/mag capsules available only in larger volumes (100- and 250-count bottles) Largest capsule size among products in our guide No free-shipping threshold No international shipping Remember what we said about the underdosing of butyrate among supplemental sources
Navarro SL, Chang J-L, Peterson S, Chen C, King IB, Schwarz Y, et al