Ethnobotanical herbs, blends and seeds. Happy Buddha offers you relaxing and stimulating herbs from all over the world that can be ingested in a variety of ways, for example in a vaporizer or as a tea. Available in 4 categories: Energy, Love, Relax and Dream Herbs. Some of these energy herbs are good replacements for caffeine , such as Yerba Mate and Kola nut. Those are popular because of their stimulating abilities, they will certainly get you up in the morning!