Natural, caffeine and caffeine-free, herbal tea, once a beverage attributed to grandmothers, is on the rise. Today it is a healthy drink and an alternative to tea and coffee. In an attempt to de-dust the genre, the old brands are reinventing themselves and offering new tastes made from plants and fruit peels. These herbal teas can help relieve a cold, aid digestion or simply give you a moment of relaxation. This documentary investigates the composition of these ancestral drinks that have become fashionable again and their effects.
