Mast Cell Activation Syndrome San Diego Naturopathic Doctor & IV Therapy Most people diagnosed with MCAS didn't develop it overnight. Their mast cells were dysregulated long before symptoms appeared. Early life exposures, such as environmental toxins, infections, and even implants, can alter how mast Read this paper describing a large case series of patients with mast cell activation syndrome (MCAS) and comorbidities, whose MCAS associated symptoms improved significantly on GLP1 agonists. To summarize: 47 BPC 157