What are the ingredients in Optimal Curcumin sourced from? Ceylon Keeslar October 13, 2021 17:10 Updated Follow Ingredient Source BCM-95® Curcugreen® Turmeric Extract Curcuma longa (rhizome) Related articles What is the purpose of each ingredient in Optimal Curcumin? Does Optimal Curcumin contain gluten or grains? Are there any warnings or side effects when using Optimal Curcumin? Who is Optimal Curcumin intended for? Comments 0 comments Article is closed for comments.