Bromelain is a digestive enzyme and beneficial for digesting proteins, especially animal protein. If you do consume meat these enzymes will be useful to add into your diet. Bromelain has been used for centuries to help aid digestion especially helpful for people who eat a lot of meat and for people who have digestive or pancreatic problems these enzymes can help break down proteins.
Bromelain has also traditionally been used as a meat tenderizer. This protein digesting enzyme has the ability to remove the proteins entangled and embedded in the mucoid coating of the intestines. Taking bromelain during pregnancy is UNSAFE and should also be avoided if breast-feeding. If you are allergic to pineapple or latex you might have an allergic reaction to bromelain.
Bromelain can be found in pineapple juice and in the pineapple stem. Bromelain also aids in the digestion of meats, and can be useful to people who eat a lot of meat but unable to properly digest meat proteins. You can get the benefits of bromelain by consuming the pineapple fruit and stem which is the core part of the pineapple. There are also supplements available for bromelain, make sure to avoid fillers and additives.