**Pineapple: Benefits, Side Effects, Uses, Dosage, Warnings?** The pineapple , tropical fruit par excellence, is available year-round in our supermarkets. Very rich in manganese, it mainly consists of bromelain , which have many health benefits, among other things, the blood circulation and cardiovascular disease . The ... paints. In addition, from the leaves of selected varieties for this purpose, pulling fibers for making rope, nets, baskets and paper and textile purposes.