@looktothegut: The vitamin C I'd choose for MCAS, and what I look for first 👉 Most labels won't tell you how your vitamin C was made. Swipe to the end for my pick. My Mast Cell Support Library has 25+ supplements and medications, what each has been studied for, doses, and my picks. Link in bio. I may earn a small commission at no extra cost to you. Not medical advice. #MCAS #histamineintolerance #mastcell #vitaminc #lowhistamine