Respilean Advanced Respiratory Support if those symptoms (like sinus problems or headaches) pops up. If not, it's reliable advice your body does alright with that food. The next day, introduce another food back on the diet. Once again, see the way the actual reacts to the reintroduction on the food. Repeat until all the foods are added back to. If something stirs up those symptoms, make note of it and avoid that food as up to possible.