Tests may look at status of: Vitamins, minerals, fatty acids and amino acids. Advanced lipid panels.  Inflammation markers. Detoxification and oxidative stress. Endocrine markers including pituitary, adrenal, thyroid, pancreatic, and sex hormones. Antibody screens for autoimmune processes. Stool tests to evaluate gut microbiome health. Presence of parasites, fungi, viruses and bacteria. Blood, hair, urine and stool for environmental toxins. Breath tests for H pylori and small intestine bacterial overgrowth.