Organifi is a green juice powder that contains a number of health-promoting ingredients, including spirulina, chlorella, mint, and moringa. While it does not contain caffeine, it does have a small amount of naturally-occurring caffeine from the green tea extract that is included in the formula. This means that Organifi may have a slight stimulant effect when consumed. However, the overall level of caffeine in Organifi is very low and is unlikely to cause any significant side effects. If you are sensitive to caffeine or other stimulants, it is best to avoid taking Organifi or any other green juice powders.