Gut & Digestion Dietary supplementPineapple Proteolytic Enzyme

Bromelain

Pineapple Enzyme

Evidence: Studied in humans. Example dose: finalize with a provider. Not a fact-check stamp.

500mg (1,200-2,400 GDU) – 500-1000 mg Oral 2-3x daily

Cysteine Protease ComplexAnti-Inflammatory + Digestive Enzyme

Bromelain is a proteolytic enzyme complex extracted from pineapple stem and fruit. Composed of multiple cysteine proteases, it has both digestive and systemic anti-inflammatory effects when taken orally on an empty stomach (digestive use is with-meal; systemic use is between meals).

Quick Start

Route

Oral capsule

Start low

500mg Oral

Frequency

2-3x daily

Timing

Empty stomach (anti-inflammatory) OR with meals (digestion)

Starting dose. 500mg — 1,200-2,400 GDU

Empty stomach for systemic effects.

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Start here. Every protocol below is ordered lowest-first. Begin at the smallest effective dose, hold about a week to assess tolerance, and step up only if needed.

Tiered Protocols · lowest first

Conservative start

500mg (1,200-2,400 GDU) · Oral capsule · 2-3x daily

conservative starter

500mg (1,200-2,400 GDU)

2-3x daily

Standard

Anti-Inflammatory / Proteolytic

500-1000 mg · Oral · 2x Daily

human study · Brien et al. 2004 (Evid Based Complement Alternat Med; PMID 15841258)

Take between meals for anti-inflammatory effect; with meals for digestive enzyme support.

500-1000 mg

2x Daily

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How it works

Bromelain has dual mechanisms based on timing:

Empty Stomach (Anti-Inflammatory)

Absorbed intact (small fraction) into bloodstream where it modulates inflammation - reduces bradykinin, fibrin, and pro-inflammatory cytokines. Mechanism includes plasmin activation and complement modulation.

With Meals (Digestive)

Hydrolyzes dietary proteins in the stomach and small intestine - improves protein digestion in users with low pancreatic enzyme output.

Anti-Edema

Reduces post-surgical and traumatic swelling - well-documented in dental/orthopedic surgery contexts.

Mucolytic

Thins mucus in sinusitis.

What to expect

Early

Days 1–7

Days 1-7: post-surgical edema reduction.

Mid

Weeks 2–4

Weeks 1-4: peak anti-inflammatory effects.

Later

Weeks 4–12

Long-term: as needed.

Evidence

HumanPresent

AnimalStrong

In-vitroPresent

Each reference below was re-fetched from its PubMed record, and the quoted sentence was confirmed to appear in that abstract and to support the claim it sits under. Follow any of them to read the source.

Safety context (older narrative source): a 2001 review characterized oral bromelain as generally well tolerated with a 'lack of undesired side effects,' but this qualitative characterization predates, and is contradicted in degree by, a 2023 systematic review/meta-analysis documenting specific oral adverse events (flatulence, nausea, headache); the newer meta-analysis should be treated as the primary safety boundary.

Due to its efficacy after oral administration, its safety and lack of undesired side effects, bromelain has earned growing acceptance and compliance among patients as a phytotherapeutical drug.

Bromelain: biochemistry, pharmacology and medical use. Cellular and molecular life sciences : CMLS · 2001 · PMID 11577981

Evidence scope. Dated (2001) narrative review, qualitative/unsystematic characterization, human clinical-use context implied but not quantified — superseded by newer systematic evidence.

Mechanism evidence boundary: bromelain’s multi-action profile still requires further mechanism research.

However, for the proper application of such multi-action activities of bromelain, further exploration of the mechanism of its action is needed.

Beneficial Properties of Bromelain. Nutrients · 2021 · PMID 34959865

Evidence scope. General narrative review statement; no specific population; explicitly flags incomplete mechanistic knowledge rather than claiming a settled mechanism.

Route/absorption: orally administered bromelain appears in serum with retained proteolytic activity.

The systematic review found that bromelain presented in serum with retained proteolytic activity after oral absorption.

Efficacy and safety of bromelain: A systematic review and meta-analysis. Nutrition and health · 2023 · PMID 37157782

Evidence scope. Systematic review/meta-analysis synthesis; oral route confirmed; underlying population mix (human vs. animal PK studies) not fully broken out in the abstract itself.

Claims we could not support

No abstract we checked supports these for this molecule at this route. That is not the same as saying they are false — it marks where the evidence is missing.

Card-specific anticoagulant/blood-thinning warning. The selected abstracts did not directly state this interaction in an abstract sentence.

Exact dose: 500 mg (1,200-2,400 GDU) orally 2-3x/day. No checked abstract verified this amount, enzyme-activity specification, and frequency together.

Side effects & safety

Commonly reported

Mild GI upset
Mild allergic skin reactions

Less common & notes

Bleeding risk with anticoagulants.
Pineapple cross-reactivity.
Hypotension at high doses (rare).

Pharmacokinetics

Illustrative plasma concentration · 18 h

Half-life

Hours for absorbed fraction

Peak · Tmax

1-3 hours

Post-ingestion

Elimination

Hours plasma; cumulative effects over weeks

Bioavailability

Oral low (~5-10% intact)

Duration of action

Daily dosing for sustained effects

Clearance

Hepatic and renal

Storage. Capsule. Cool dry location, refrigerate for extended storage.

Regulatory status

Dietary supplement (US, DSHEA). Pharmaceutical use in some EU countries.

Put it to work

Calculate, log & track

Open Bromelain straight into OnePin with your vial and dose pre-filled, then let it handle the syringe math and remind you before the vial runs out.

Open Bromelain in the app →

Go deeper

The guide & community

The complete Bromelain walkthrough, real protocol discussion and coaching live inside the BlessUp community on Skool.

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