ORGANIC HERBAL TREATMENT: Our natural herbal tea for immunity is certified USDA organic, vegan, caffeine-free, and sugar-free. The blend of herbs and natural ingredients are scientifically proven to strengthen immunity in the body.40 SERVINGS PER CAN: You get a generous quantity of 20 Biodegradable Sachets in each pack. Each sachet can be used twice for a total of 40 servings. These immunity tea bags for adults can be used daily. It can be enjoyed hot or cold. PROFESSIONALS AND CELEBRITIES LOVE IT: Professionals gynecologists, psychologists, herbalists, doctors, and even some celebrities are catching the buzz of our products. Our products have been featured in People, Fit Pregnancy, Women's Day, and San Diego Magazine.