Protease

Essential digestive enzymes that break down proteins into peptides and amino acids for absorption and utilization by the body

Scientific nameProteolytic enzymes (EC 3.4) FormulaEnzyme protein complex Molecular weight20,000-60,000 Da (varies by type) g/mol CAS9001-92-7

85 absorption score

8 safety / 10

35 USD per month

6 documented interactions

Check it against something

Evidence level B

Protease with:

78 out of 100

Works better together Compatible. Timing differs, so follow each supplement's own window.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Enhanced protein digestion and absorption

Breaks down dietary proteins into absorbable amino acids and peptides

Cleaves peptide bonds in protein molecules Evidence A-grade Immediate effects during protein-rich meals

Reduced digestive discomfort from protein foods

Minimizes bloating, gas, and discomfort after consuming protein-rich meals

Prevents undigested protein fermentation and putrefaction Evidence A-grade 30-90 minutes after meals

Improved muscle protein synthesis

Enhances amino acid availability for muscle building and repair

Better protein digestion increases amino acid absorption Evidence B-grade 1-3 hours post-meal with consistent use

Reduced inflammation and immune support

May help reduce systemic inflammation and support immune function

Proteases can break down inflammatory proteins and immune complexes Evidence B-grade With consistent use over weeks to months

Support for pancreatic function

Reduces pancreatic enzyme burden and supports pancreatic health

Supplements endogenous protease production Evidence B-grade With long-term consistent use

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Probiotics for Autoimmune Disease Support Gut health & immune modulation 10-100 billion CFU daily B 60% Magnesium Glycinate Superior absorption sleep & muscle support 200-600 mg A 90% Magnesium Citrate Balanced absorption & digestive support 300-600 mg A 35% Chloride Electrolyte & digestive support 2300mg A 95% Bone Broth Collagen Gut healing & collagen support 20-40g powder B 85% Psyllium Husk Digestive health & cholesterol support 5-15g A 95%

Every pair we checked

12 combinations scored by the engine

Protease + Caffeine No documented interaction either way No known interaction 70

Protease + Creatine Monohydrate No documented interaction either way No known interaction 70

Protease + Calcium Carbonate No documented interaction either way No known interaction 70

Protease + Whey Protein No documented interaction either way No known interaction 70

Protease + Lactase No documented interaction either way No known interaction 70

Protease + Bovine Collagen No documented interaction either way No known interaction 70

Protease + DHA No documented interaction either way No known interaction 70

Protease + Turmeric No documented interaction either way No known interaction 70

Protease + Fish Oil (EPA/DHA) No documented interaction either way No known interaction 70

Protease + Magnesium Oxide No documented interaction either way No known interaction 70

Protease + Vitamin D3 Required for amino acid metabolism and protein synthesis Works better together 78

Protease + BCAA (Branched-Chain Amino Acids) Enhanced amino acid absorption and utilization Works better together 82

Dosage

With protein rich meals

Daily20,000-60,000 HUT units

Mild deficiency20,000-40,000 HUT units with protein meals

Moderate deficiency40,000-80,000 HUT units with meals

Severe deficiency80,000-120,000 HUT units with meals

Anti inflammatory30,000-60,000 HUT units between meals

When to expect it

First EffectsImmediate during meals for protein digestion

Peak Benefits30-90 minutes post-meal for digestive comfort

Deficiency DevelopmentEnzyme deficiency from pancreatic insufficiency, aging, illness

Toxicity OnsetGenerally safe - minimal adverse effects at normal doses

How to measure it

$150-350

MarkerSerum protease levels, pancreatic function tests, amino acid profile

OptimalNormal protease levels, adequate amino acid profile

Deficient belowLow protease levels, amino acid deficiencies

FrequencyMonitor for pancreatic function and nutritional status

What people actually reported to the FDA

CAERS, 1 reports naming it as the suspect

Most reported effects

Diarrhoea 1

Erythema 1

Pruritus 1

Pyrexia 1

Swelling 1

Named as the suspect 1 reports of 2 that mention it at all

Serious outcome 100% hospitalisation, emergency room or worse

Hospitalization1

Visited Emergency Room1

Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →

What actually reaches you

The label counts the carrier, your body does not

Absorption Very high 85 of 100 · best absorbed form of this compound

Delivered daily 34000 mg

Cost per 100 mg delivered $0.00 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented

Hydrochloric Acid

Optimal protein digestion requires adequate stomach acid

Acidic environment activates pepsin and protein denaturation · level A

Amino Acids

Enhanced amino acid absorption and utilization

Better protein digestion increases amino acid availability · level A

Vitamin B6

Required for amino acid metabolism and protein synthesis

B6 is cofactor for amino acid transamination · level B

What not to take with Protease

3 documented

Protease Inhibitors

Natural inhibitors in beans and grains reduce protease activity

Competitive inhibition of protease enzymes · moderate significance

Antacids

Neutralizing stomach acid may reduce protease effectiveness

Optimal pH required for protease activity · moderate significance

Alcohol Excess

Excessive alcohol may impair protein digestion

Alcohol damages digestive tract and enzyme function · moderate significance

Medication interactions

Discuss these with a pharmacist before combining

anticoagulants Moderate

May enhance blood-thinning effects

What to do: Monitor INR and bleeding time carefully

pancreatic-enzyme-replacements Beneficial

May provide additive effects with prescribed enzymes

What to do: Coordinate with healthcare provider for optimal dosing

Available forms

bioavailability compared

Mixed protease complex (trypsin, chymotrypsin, elastase) 85

Mixed protease complex (trypsin, chymotrypsin, elastase): Comprehensive protein digestion, Multiple enzyme types, Proven effectiveness, Broad pH range

Food sources

before you supplement

Pancreatic enzyme supplements 20,000-120,000 HUT units per dose · 85

Pineapple (bromelain) Natural protease activity, variable levels · 60

Papaya (papain) Natural protease activity, variable levels · 55

Digestive enzyme complexes Variable protease content, typically 20,000-80,000 units · 80

Too little

deficiency signs

Protein malabsorption symptoms:
Bloating and gas after consuming protein-rich foods
Undigested protein in stool
Muscle weakness and poor muscle recovery
Fatigue and low energy from poor protein utilization
Hair, skin, and nail problems from amino acid deficiency
Compromised immune function and slow wound healing

Too much

toxicity signs

Generally safe with minimal adverse effects:
Rare allergic reactions in sensitive individuals
Nausea or stomach discomfort with excessive doses
Potential increased bleeding risk with blood thinners
Safe for long-term use at appropriate doses

Who benefits most

protein-digestion-issues

Essential for breaking down dietary proteins into amino acids

20,000-60,000 HUT units with protein-rich meals

pancreatic-insufficiency

Supplements reduced pancreatic enzyme production

40,000-100,000 HUT units with meals

muscle-building-athletes

Enhances amino acid availability for muscle protein synthesis

20,000-80,000 HUT units with protein meals

aging-digestive-decline

Supports declining natural enzyme production with age

20,000-50,000 HUT units with meals

inflammatory-conditions

May help reduce systemic inflammation

30,000-60,000 HUT units between meals

Where to buy it

compare forms first

Look for Protease at 20,000-60,000 HUT units per serving. The form that matters here is Mixed protease complex (trypsin, chymotrypsin, elastase).

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What else affects it

Beyond other supplements

Alcohol excess

Excessive alcohol may impair protein digestion

Alcohol damages digestive tract and enzyme function

How it works

Cleaves peptide bonds in protein molecules
Breaks down proteins into peptides and amino acids
Works at various pH levels throughout digestive tract
Enables absorption of essential and non-essential amino acids
Reduces protein putrefaction and bacterial fermentation
May break down inflammatory proteins and immune complexes

Key findings

what the evidence supports

Essential for efficient protein digestion and amino acid absorption
Proven effectiveness for pancreatic insufficiency
Strong evidence for reducing digestive discomfort from protein foods
Promising research for anti-inflammatory effects

Sources: NIH Examine.com · data reviewed 2026-08-02

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Protease?

Documented effects: Enhanced protein digestion and absorption; Reduced digestive discomfort from protein foods; Improved muscle protein synthesis; Reduced inflammation and immune support. Breaks down dietary proteins into absorbable amino acids and peptides

How much Protease should you take per day?

The common daily range is 20,000-60,000 HUT units. By goal — mild deficiency: 20,000-40,000 HUT units with protein meals; moderate deficiency: 40,000-80,000 HUT units with meals; severe deficiency: 80,000-120,000 HUT units with meals; anti inflammatory: 30,000-60,000 HUT units between meals.

When is the best time to take Protease?

With protein rich meals. First effects are typically reported within Immediate during meals for protein digestion.

What are the side effects of Protease?

At excessive doses: Generally safe with minimal adverse effects:, Rare allergic reactions in sensitive individuals, Nausea or stomach discomfort with excessive doses, Potential increased bleeding risk with blood thinners, Safe for long-term use at appropriate doses. Safety rating at normal doses is 8 out of 10.

What should you not take with Protease?

Separate it from Protease Inhibitors, Antacids, Alcohol Excess by two to four hours. Natural inhibitors in beans and grains reduce protease activity

Does Protease interact with medications?

Documented interactions with anticoagulants, pancreatic-enzyme-replacements. Discuss these with a pharmacist before combining.

How do you know if you need Protease?

The marker is Serum protease levels, pancreatic function tests, amino acid profile, optimal range Normal protease levels, adequate amino acid profile. Common deficiency signs: Protein malabsorption symptoms:, Bloating and gas after consuming protein-rich foods, Undigested protein in stool, Muscle weakness and poor muscle recovery.

Taken for

74 Digestion

Lactase · Lactobacillus acidophilus · Protease