You say: What tests I have had done indicated high adrenal stress, candida overgrowth in small intestines, and I've had a few blood tests with high phosphate. A spinal Arthritis called Ankylosing Spondylitis runs in the family. I've been on this journey for a few years. "
Spining head, especially so just after doing a mvt of standing up is adrenal fatigue - My naturopath tests it taking my blood pressure sitting down and then again standing to see.
Chelating is hard on the kidneys hence and on the adrenals. Try rotating chelation and kidney cleases.