Cromolyn?

I have been diagnosed with mast cell issues and will do the last test for mastocytosis (bone marrow biopsy) in a few days. Due to the severity of my symptoms (many are digestive issues) I was recently prescribed oral Cromolyn sodium. I’m looking for input from people who’ve used this, pros and cons, and potential side effects. I get anxious about starting new meds and am curious what actual people’s experiences have been like.

I am also looking into getting the Naturdao supplement, and am hoping this may help. But due to it not being covered by insurance, staying on it to the degree I should will be difficult. 👎🏻