Headches since janury 2018, got tested for deficiencies (0), allergy testing, chiropractor, nothing helped, thought it was gluten, still get headaches?

Headache: Might be worth seeing a neurologist. Consider possibility of endocrine- thyroid possible. I am not sure what food allergy testing done, but food allergy testing has helped many. Environmental issues possible. Carbon monoxide, but also cell phone and other computer exposure- American Academy of Environmental Medicine worth looking into. Mag Glycinate or Taurine regularly can help. Keep searching!