Serrapeptase

Systemic proteolytic enzyme derived from silkworm bacteria with anti-inflammatory and fibrinolytic properties

Scientific nameSerratia peptidase FormulaProteolytic enzyme protein Molecular weight45-60 kDa g/mol CAS37312-62-2

75 absorption score

6 safety / 10

50 USD per month

5 documented interactions

Check it against something

Evidence level C

Serrapeptase with:

75 out of 100

Works better together Take together — same timing window amplifies the synergy.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Systemic anti-inflammatory effects

Reduces inflammation throughout the body, not just digestively

Breaks down inflammatory proteins and immune complexes Evidence B-grade 2-8 weeks

Pain and swelling reduction

Decreases pain and swelling in joints, muscles, and tissues

Reduces inflammatory mediators and tissue edema Evidence B-grade 1-6 weeks

Enhanced circulation and blood flow

Improves circulation by breaking down fibrin and blood clots

Fibrinolytic activity dissolves excess fibrin deposits Evidence B-grade 4-8 weeks

Respiratory and sinus support

Reduces mucus viscosity and supports respiratory health

Breaks down mucoproteins and reduces mucus thickness Evidence B-grade 2-6 weeks

Post-surgical healing support

May accelerate healing and reduce post-operative complications

Reduces inflammation and promotes tissue repair Evidence B-grade 2-8 weeks post-surgery

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

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

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

Serrapeptase + Vitamin D3 No documented interaction either way No known interaction 70

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

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

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

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

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

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

Serrapeptase + Nattokinase Enhanced fibrinolytic and cardiovascular support Works better together 75

Serrapeptase + Bromelain Comprehensive systemic anti-inflammatory support Works better together 75

Serrapeptase + Omega-3 + Curcumin + Vitamin D Triple Anti-Inflammatory Formula Enhanced anti-inflammatory and antioxidant effects Works better together 75

Dosage

Empty stomach

Daily10,000-60,000 SPU daily

Anti inflammatory support10,000-20,000 SPU daily

Joint pain relief20,000-40,000 SPU daily

Cardiovascular support10,000-30,000 SPU daily

MaximumGenerally not more than 60,000 SPU daily, consult healthcare provider

When to expect it

First Effects1-3 weeks for initial anti-inflammatory effects

Peak Benefits6-12 weeks for optimal systemic inflammatory support

Deficiency DevelopmentNot applicable - therapeutic enzyme

Toxicity OnsetRare, mainly from excessive dosing or contraindicated use

How to measure it

$150-250

MarkerInflammatory markers (CRP, ESR), clotting parameters, fibrinogen

OptimalReduced inflammation markers, normal clotting function

Deficient belowNot applicable for therapeutic enzyme

FrequencyBaseline inflammatory markers, periodic monitoring if on blood thinners

What people actually reported to the FDA

CAERS, 6 reports naming it as the suspect

Most reported effects

Diarrhoea 3

Vomiting 3

Cerebrovascular accident 2

Faeces discoloured 2

Nausea 2

Named as the suspect 6 reports of 8 that mention it at all

Serious outcome 92% hospitalisation, emergency room or worse

Hospitalization3

Visited Emergency Room3

Life Threatening2

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 High 75 of 100 · absorbs well relative to other forms

Delivered daily 26250 mg

Cost per 100 mg delivered $0.01 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented

Nattokinase

Enhanced fibrinolytic and cardiovascular support

Complementary fibrin-dissolving enzymes · level C

Bromelain

Comprehensive systemic anti-inflammatory support

Multiple proteolytic enzymes with anti-inflammatory effects · level C

Curcumin

Enhanced anti-inflammatory and antioxidant effects

Complementary anti-inflammatory pathways · level C

What not to take with Serrapeptase

2 documented

Blood Thinning Medications

May enhance anticoagulant effects dangerously

Additive effects on blood clotting · high significance

Nsaids

May increase gastrointestinal bleeding risk

Both can affect clotting and stomach lining · moderate significance

Medication interactions

Discuss these with a pharmacist before combining

warfarin Major

May enhance anticoagulant effects

What to do: Avoid concurrent use, monitor INR closely if used

aspirin Moderate

May increase bleeding risk

What to do: Use with caution, monitor for bleeding signs

antibiotics Minor

May enhance antibiotic penetration into tissues

What to do: Potentially beneficial interaction

Available forms

bioavailability compared

Enteric-Coated Serrapeptase 75

Enteric-Coated Serrapeptase: Systemic effects, Anti-inflammatory, Circulation support, European clinical use

Food sources

before you supplement

Not found naturally in foods Must be obtained through supplementation · N/A

Serrapeptase supplements Standardized SPU activity units · 75

Silkworm pupae (traditional) Minimal bioactive enzyme content · 20

Fermented bacterial products Produced by Serratia marcescens fermentation · 75

Too little

deficiency signs

Not applicable (therapeutic enzyme, not essential nutrient):
Conditions addressed by serrapeptase:
Chronic inflammation and inflammatory pain
Poor circulation and fibrin deposits
Excessive mucus and respiratory congestion
Slow wound healing and tissue repair
Joint stiffness and reduced mobility

Too much

toxicity signs

Generally safe but monitor for:
Increased bleeding or bruising
Allergic reactions including skin rash
Digestive upset or nausea
Rare cases of pneumonia (in compromised individuals)

Who benefits most

chronic-inflammatory-conditions

Systemic anti-inflammatory effects throughout the body

10,000-40,000 SPU daily on empty stomach

joint-pain-arthritis

Reduces joint inflammation and improves mobility

20,000-60,000 SPU daily divided into 2-3 doses

cardiovascular-circulation

Improves circulation and reduces fibrin deposits

10,000-30,000 SPU daily on empty stomach

respiratory-sinus-issues

Reduces mucus viscosity and supports respiratory function

10,000-30,000 SPU daily

post-surgical-recovery

May accelerate healing and reduce post-operative inflammation

20,000-40,000 SPU daily under medical supervision

Where to buy it

compare forms first

Look for Serrapeptase at 10,000-60,000 SPU daily per serving. The form that matters here is Enteric-Coated Serrapeptase.

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How it works

Proteolytic activity breaks down inflammatory proteins and immune complexes
Fibrinolytic activity dissolves excess fibrin in blood and tissues
Reduces production of inflammatory mediators (bradykinin, histamine)
Improves microcirculation by reducing blood viscosity
Breaks down mucoproteins reducing mucus thickness
Modulates immune response and reduces tissue edema

Key findings

what the evidence supports

Effective systemic anti-inflammatory enzyme with multiple mechanisms
Promising for joint pain, circulation, and respiratory support
Requires careful monitoring for bleeding risk
More research needed but shows therapeutic potential

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 Serrapeptase?

Documented effects: Systemic anti-inflammatory effects; Pain and swelling reduction; Enhanced circulation and blood flow; Respiratory and sinus support. Reduces inflammation throughout the body, not just digestively

How much Serrapeptase should you take per day?

The common daily range is 10,000-60,000 SPU daily. By goal — anti inflammatory support: 10,000-20,000 SPU daily; joint pain relief: 20,000-40,000 SPU daily; cardiovascular support: 10,000-30,000 SPU daily; maximum: Generally not more than 60,000 SPU daily, consult healthcare provider.

When is the best time to take Serrapeptase?

Empty stomach. First effects are typically reported within 1-3 weeks for initial anti-inflammatory effects.

What are the side effects of Serrapeptase?

At excessive doses: Generally safe but monitor for:, Increased bleeding or bruising, Allergic reactions including skin rash, Digestive upset or nausea, Rare cases of pneumonia (in compromised individuals). Safety rating at normal doses is 6 out of 10.

What should you not take with Serrapeptase?

Separate it from Blood Thinning Medications, Nsaids by two to four hours. May enhance anticoagulant effects dangerously

Does Serrapeptase interact with medications?

Documented interactions with warfarin, aspirin, antibiotics. Discuss these with a pharmacist before combining.

How do you know if you need Serrapeptase?

The marker is Inflammatory markers (CRP, ESR), clotting parameters, fibrinogen, optimal range Reduced inflammation markers, normal clotting function. Common deficiency signs: Not applicable (therapeutic enzyme, not essential nutrient):, Conditions addressed by serrapeptase:, Chronic inflammation and inflammatory pain, Poor circulation and fibrin deposits.

Taken for

74 Digestion

Lactase · Lactobacillus acidophilus · Protease