Now Offering Free Delivery!
603 Ken Pratt Blvd, Longmont, CO 80501 | Phone: (303) 827-3480
Monday - Friday: 9:00am - 6:00pm | Saturday: Closed | Sunday: Closed


Mast Cell Activation Syndrome (MCAS) requires a careful, individualized approach to medications. At Flatirons Pharmacy, we compound treatments without dyes, fillers, or excipients that commonly cause reactions. Our pharmacists collaborate with your care team to create clean, customized formulas designed to support symptom management while minimizing flare-ups.