Sinus + Immune SupportPromotes Healthy Nasal Passages and SinusesPromotes the Body’s Natural Immune FunctionDietary Supplement100% Natural GMO Free ProductHeart Safe – Stimulant FreeGluten FreeSinupret® Adult Strength Tablets are a safe and effective natural product supported by strong clinical studies to promote strong nasal passages and sinuses along with overall immune function. Our product combines five traditional herbs (verbena common sorrel elder flower primula flower and gentian root) that provides all natural support for your nasal passage and sinus health.