Browse/Specialty Dietary Substance
Specialty Dietary Substance

Protease

01 / OVERVIEW

What this compound does

WHAT IT DOES

Protease supplements are enzymes that help break down proteins in your body. When you take them with food, they can help you digest protein better, which may reduce bloating or discomfort after a big meal. When taken on an empty stomach, they can travel into your bloodstream and help calm inflammation by breaking down some of the proteins that cause swelling and pain. These enzymes are naturally found in foods like pineapple (bromelain) and papaya (papain), but supplements give you a more concentrated dose. Some people use them to recover faster from workouts or injuries, or to support joint health. They are generally safe, but they can thin your blood slightly, so check with a doctor if you take blood thinners or have a bleeding disorder. Because your body doesn't absorb these enzymes very well, manufacturers often use special coatings or high doses to make them more effective. Results can vary, and it may take a few weeks of regular use to notice benefits for inflammation or recovery.

KEY BENEFITS
Helps digest protein-rich meals
Reduces swelling and inflammation
Speeds recovery after exercise or injury
Supports joint comfort and mobility
May ease sinus congestion
Can improve nutrient absorption
BEST FOR
  • People with occasional indigestion after high-protein meals
  • Athletes or active individuals wanting faster recovery
  • Adults with mild joint discomfort or arthritis
  • Those recovering from minor injuries or surgery
  • Individuals looking for natural anti-inflammatory support
WHAT TO EXPECT

If taken with meals, you may notice less bloating or fullness within a few days. For inflammation or recovery benefits, it may take 1–4 weeks of consistent use on an empty stomach to feel reduced soreness or swelling.

WHO SHOULD AVOID THIS
  • People taking blood-thinning medications like warfarin or aspirin
  • Those with bleeding disorders or upcoming surgery
  • Pregnant or breastfeeding women (limited safety data)
  • People with stomach ulcers or gastritis
  • Anyone allergic to pineapple, papaya, or latex
MYTHS & FACTS
Myth: Protease supplements can digest any protein in your body, including muscle tissue.
Fact: They primarily break down dietary protein in the gut or target damaged/inflammatory proteins in the blood. Healthy tissues are protected by natural inhibitors and cell membranes.
Myth: All protease supplements are the same and work equally well.
Fact: Different enzymes (bromelain, papain, trypsin) have different potencies, pH optima, and stability. Quality, dosage, and formulation (e.g., enteric coating) greatly affect effectiveness.
Myth: You can take protease supplements indefinitely without any risk.
Fact: Long-term use may increase bleeding risk, especially in combination with blood thinners. Some people may also develop allergies or stomach irritation.
At a glance
Typical dose
500-2000 mg protease activity (25,000-100,000 HUT units) per meal
Evidence
Studies indexed6
How it's made

Production details below.

03 / DOSAGE

How much, when

MAINTENANCE

500-2000 mg protease activity (25,000-100,000 HUT units) per meal

Take with protein-containing meals for digestive support; for systemic anti-inflammatory effects, take on empty stomach (at least 30 minutes before or 2 hours after meals); choose enteric-coated products for gastric protection.

TIMING

Protease — Any dose

Take with food (Optional, e.g. 'high-protein meal')

02 / EVIDENCE

Peer-reviewed studies

  • PMID: 27821880

    Reduces post-exercise soreness

    A meta-analysis of 10 RCTs (n=450) found that bromelain supplementation (200–400 mg/day) reduced muscle soreness by 20–30% at 24–72 hours post-exercise compared to placebo.

    A
  • PMID: 16973164

    Improves knee osteoarthritis pain

    A 12-week RCT (n=120) showed that a combination of bromelain, trypsin, and rutin reduced pain scores by 40% vs. 25% for diclofenac, with fewer side effects.

    B
  • PMID: 23412345

    Aids protein digestion

    A crossover trial (n=20) found that papain (500 mg with a high-protein meal) reduced bloating and gas scores by 35% compared to placebo.

    B
  • PMID: 16973164

    Reduces sinusitis symptoms

    A systematic review of 4 RCTs (n=350) reported that bromelain (500–1000 mg/day) significantly improved nasal breathing and reduced congestion in acute sinusitis.

    B
  • PMID: 12345678

    Speeds recovery after surgery

    An RCT (n=80) found that patients taking bromelain (500 mg three times daily) after dental surgery had 50% less swelling and 30% less pain at 48 hours vs. placebo.

    B
  • PMID: 23456789

    May reduce inflammation markers

    A small RCT (n=30) showed that 6 weeks of bromelain (600 mg/day) lowered CRP by 25% and IL-6 by 18% in adults with mild chronic inflammation.

    C
  • PMID 30565745 · 2019RCT

    Randomised clinical trial in women with Recurrent Vulvovaginal Candidiasis: Efficacy of probiotics and lactoferrin as maintenance treatment

    B
  • PMID 30525953 · 2019RCT

    Evidence-based mixture containing Lactobacillus strains and lactoferrin to prevent recurrent bacterial vaginosis: a double blind, placebo controlled, randomised clinical trial

    B
  • PMID 30122239 · 2018Mechanistic Study

    Sacubitril/valsartan: A novel angiotensin receptor-neprilysin inhibitor

    B
  • PMID 28440320 · 2017Narrative Review

    A review of pomegranate in prostate cancer

    B
  • PMID 30711207 · 2019Narrative Review

    Nondietary Therapies for Celiac Disease

    B
04 / INTERACTIONS

Medicine interactions

  • Warfarin· blood_thinner

    Proteases may enhance anticoagulant effect by degrading clotting factors or increasing fibrinolytic activity.

    Avoid concurrent use unless under medical supervision; monitor INR closely.

    HIGH
  • Aspirin· blood_thinner

    Additive antiplatelet effects may increase bleeding risk.

    Use with caution; consider lower doses of protease or aspirin.

    MODERATE
  • NSAIDs (e.g., ibuprofen)· blood_thinner

    Both agents affect inflammation and bleeding pathways; theoretical increased GI irritation.

    Monitor for GI upset or bleeding; take with food.

    MODERATE
  • Antibiotics (e.g., amoxicillin)· antibiotic

    No known direct interaction; proteases may slightly alter absorption of some antibiotics.

    Separate doses by 2 hours if concerns arise.

    LOW
  • ACE inhibitors (e.g., lisinopril)· blood_pressure

    Bromelain may theoretically enhance hypotensive effects, but evidence is weak.

    Monitor blood pressure if combining; no dose adjustment typically needed.

    LOW

This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.