Many might want to try digestive enzymes with the algin if you are experiencing digestive ills when you take it. Most mercury toxic people have lacking the proper enzymes to digest many foods including common foods. Mercury destroys the natural enzymes as well as creates gut yeast issues. Algin can absorb gut yeast if you have it and create bloating. If you regularly have gut issues, I have found that taking probiotics and enzymes daily will help get things back in order...along with allow you to tolerate supplements.