If you have ever started a new supplement for migraine support and noticed bloating, nausea, or digestive discomfort shortly after, the problem is likely not the active ingredient, it is everything else in the formula. The wrong form of magnesium can act as an osmotic laxative. Artificial sweeteners disrupt gut flora. Carrageenan promotes intestinal inflammation. Titanium dioxide has been banned as a food additive in Europe for genotoxicity concerns. For migraineurs, whose gut health directly affects nutrient absorption and neurological stability, supplement quality is not a marketing consideration. This blog covers the specific ingredients to watch for on labels and what clean formulation actually looks like.