We make the Lower Bowel Capsules or most any formula based on Dr. Christopher's will work.
I guess I don't understand why you keep getting tested if you have not been ill, test are designed to make the MD money more than anything else and have lead many down a bad path. I believe in zero testing myself.
RARELY does the dentist take all the mercury out and the body has plenty of lifelong mercury due to having mercury in the teeth at some point in life.
I guess since you have never been ill, I would just eat ample amounts of ocean plants and not worry about it, if you seek more test then your asking for drugs at some point unless you have an acceptional MD.