8 HERBAL & ROOIBOS TEAS SAMPLER: Boost your immunity with this variety of loose leaf tea. Packed with nutrient-rich fruits such as mango, oranges and pineapple, these teas are here to keep your immune system fighting at full-strength. They’re also caffeine-free, so they’re here for you when you need to rest and recover. Sip on these 8 different loose leaf teas from our Immunity collection and find a new favorite.