Pineapple Enzyme Bromelain 500 mg is a proteolytic enzyme that facilitates protein digestion when taken with food and acts as an anti-inflammatory when taken on an empty stomach and can helps heal minor injuries such as sprains, strains, muscles injuries, pain, swelling, and tenderness. Pineapple Enzyme Bromelain. 600 GDU's. Bromelain is a natural enzyme from the stem of fresh pineapple plants (bromeliads). Well tolerated by most highly allergic individuals. Tablets are easy to swallow and assimilate.