As with any product that is effective in restoring balance to an unhealthy intestinal tract the chance for your patients to experience herxheimer reactions is possible. (microbiomelabs.com)
Our detoxers who do this optional but encouraged practice report quick and highly reliable relief from headaches, constipation, and many other symptoms of detoxing (called Herxheimer reactions). (greensmoothiegirl.com)
I had a real bad Herxheimer reaction from olive leaf which is antiviral, antibacterial and anti mold. (affairsofliving.com)