Start with the lowest effective dose, typically 30-100 micrograms daily, rather than mega-doses marketed for dramatic results
G., & Chan, M
Association of Vitamin D Status and Other Clinical Characteristics With COVID-19 Test Results
Li N, Hao M, Phalen RF, Hinds WC, Nel AE: Particulate air pollutants and asthma
I would check out, it came out a while ago, but I would check out Mark Sisson's book, Primal Endurance, because that is all about like being in a fat burning state on, that's like a low carb diet, but like a similar thing where you are, you're creating a metabolic state in your body that supports fat burning from the dietary choices that you're making
Whether triggered by bacteria, parasites, or food allergies, gut mast cell activation can contribute to digestive symptoms such as heartburn, nausea, vomiting, constipation, and diarrhea