DaVinci Laboratories Migrashield supports cranial comfort, healthy inflammatory response, seasonal respiratory support, maintains pliable blood vessels and healthy blood flow in the head. Helps with the discomfort of one or both sides of the head, sensitivity to light or sound, or a throbbing sensation. Supports the tone of blood vessels in the head. It keeps them pliable so blood can flow smoothly. When your child has healthy blood flow, it causes cranial relaxation. That makes for a healthy, happy head. Recommended Use: Hold nozzle 1 inch from mouth, spray five times and swallow. Use once daily or as directed by a healthcare professional. Shake well before each use.