Bromelain dosage for digestion is 500 to 2000mg per day depending on your needs and condition. Typically, dosages higher than 1,500mg of bromelain per day are used to help with nutrient absorption, especially if you suffer from low stomach acidity.  Lower doses of bromelain can still work for digestion, although they are more often used for lowering inflammation. 
Bromelain is an enzyme, it is not a drug. It is found in the pineapple plant. It helps digest protein, it also breaks down fibrin (a protein-based substance that helps blood clot).
The most common use of this enzyme is indigestion. When you eat food that does not digest easily, or when you have a stomach virus or diarrhea, for example, the bromelain can help ease your symptoms.
Bromelain is also known as a proteolytic enzyme and has been shown to be one of the most potent anti-inflammatory enzymes. Bromelain can break down proteins found in the body, such as: Proteases are enzymes that catalyze the hydrolysis of peptide bonds.
The proteases from plants and animals make up an important class of enzymes that function in both digestion and other functions, such as blood clotting and inflammation. Alongside helping with digestion, bromelain is best known for its ability to lower inflammation. It does this by reducing the formation and activity of blood clotting proteins, such as platelet-activating factors. It can also inhibit inflammatory proteins such as NrfK 1 and COX-2.
By reducing the activity of COX-2 bromelain provides a potent anti-inflammatory effect. Bromelain has been shown to be the most potent protease.
Bromelain is also used as a food additive to preserve and enhance color, texture, flavor, and freshness of processed foods such as poultry products and sausages. It is also used in powdered form or tablets for health or beauty applications; bromelain is a natural anti-inflammatory agent.
Bromelain may be used in treating certain types of food poisoning caused by bacterial pathogens such as “Salmonella” and “Clostridium perfringens”. In addition, bromelain can combat pathogenic bacteria that cause infections in wounds and abscesses. This makes it especially useful for treating chronic wounds.
Bromelain is also used for treating plantar fasciitis, a type of foot pain that appears as a result of inflammation in the tissues around the heel bone. Corticosteroid injections are sometimes used to treat plantar fasciitis, but corticosteroids have side effects such as weakening tendons and weakening bone cells. In contrast, bromelain can reduce pain and swelling without side effects.
Dietary Sources of Bromelain in Foods
Not a fan of supplements? Worry not, there are plenty of sources of bromelain that you can add to your diet to benefit from the enzyme;
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- Pavan R, Jain S, Shraddha, Kumar A. Properties and therapeutic application of bromelain: a review. Biotechnol Res Int. 2012;2012:976203. doi: 10.1155/2012/976203. Epub 2012 Dec 10. PMID: 23304525; PMCID: PMC3529416.