We all know that tropical fruits like mangoes and bananas are loaded with nutrients, but what about pineapples? Turns out this spiky, tangy fruit has a unique enzyme that is wowing Consumers and scientists alike: Bromelain. Bromelain is naturally found in pineapples, and because of its health benefits, supplement brands are integrating it into a variety of health products. Could Bromelain help your private label supplement line? You better believe it.