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Superoxide Dismutase (SOD)

Primary antioxidant enzyme that neutralizes superoxide radicals and protects cells from oxidative damage

Scientific nameSuperoxide dismutase enzyme FormulaMetalloenzyme protein Molecular weight32-34 kDa g/mol CAS9054-89-1
60 absorption score
9 safety / 10
45 USD per month
5 documented interactions

Check it against something

Evidence level A

Superoxide Dismutase (SOD) with:

Compatibility score 94 out of 100
94 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

Primary free radical neutralization

Converts harmful superoxide radicals into harmless hydrogen peroxide and oxygen

Enzymatic dismutation of superoxide anions (O2-) Evidence A-grade Immediate cellular protection

Enhanced cellular longevity

Protects cells from oxidative damage that accelerates aging

Prevents superoxide-induced damage to cellular components Evidence A-grade Long-term with consistent use

Improved mitochondrial function

Protects mitochondria from oxidative stress and energy decline

Mn-SOD specifically protects mitochondrial membranes Evidence A-grade 4-8 weeks

Reduced inflammation

Decreases inflammatory responses by neutralizing inflammatory radicals

Reduces superoxide-driven inflammatory cascades Evidence B-grade 2-6 weeks

Enhanced exercise recovery

Reduces exercise-induced oxidative stress and muscle damage

Neutralizes exercise-generated superoxide radicals Evidence B-grade Immediate post-exercise protection

Others take these for the same thing

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

Every pair we checked

12 combinations scored by the engine
Superoxide Dismutase (SOD) + Caffeine No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Creatine Monohydrate No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Calcium Carbonate No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Whey Protein No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Lactase No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Bovine Collagen No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + DHA No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Turmeric No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Fish Oil (EPA/DHA) No documented interaction either way No known interaction 70
Superoxide Dismutase (SOD) + Vitamin D3 Enhanced overall antioxidant protection Works better together 78
Superoxide Dismutase (SOD) + Glutathione Comprehensive antioxidant enzyme defense system Works better together 82
Superoxide Dismutase (SOD) + Catalase Complete antioxidant enzyme system for cellular protection Works better together 94

Dosage

With meals
Daily250-750 IU daily
Antioxidant support250-500 IU daily
Therapeutic500-1000 IU daily
Athletic performance750-1000 IU daily around training
MaximumFollow product guidelines, typically not more than 1000 IU daily

When to expect it

First EffectsImmediate cellular protection upon absorption
Peak Benefits8-12 weeks for optimal antioxidant status and cellular protection
Deficiency DevelopmentGradual decline with age and oxidative stress
Toxicity OnsetRare, mainly from excessive supplementation

How to measure it

$150-250
MarkerSOD activity levels, oxidative stress markers, inflammatory markers
OptimalNormal to high SOD activity, low oxidative stress
Deficient belowReduced SOD activity, elevated oxidative stress markers
FrequencyBaseline and periodic monitoring during supplementation

What people actually reported to the FDA

CAERS, 2 reports naming it as the suspect

Most reported effects

Convulsion 1
Weight increased 1
Abdominal pain 1
Named as the suspect 2 reports of 2 that mention it at all
Serious outcome 100% hospitalisation, emergency room or worse
Other Serious Outcome2
Hospitalization1
Other Serious or Important Medical Event1

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 →

Works better with

3 documented
+
Catalase

Complete antioxidant enzyme system for cellular protection

Catalase breaks down H2O2 produced by SOD reaction · level A
+
Glutathione Peroxidase

Comprehensive antioxidant enzyme defense system

Complementary antioxidant enzymes work together · level A
+
Vitamin C

Enhanced overall antioxidant protection

Vitamin C regenerates and supports enzyme function · level B

What not to take with Superoxide Dismutase (SOD)

2 documented
!
Excessive Iron

May promote oxidative stress and reduce SOD effectiveness

Iron catalyzes formation of hydroxyl radicals · moderate significance
!
Alcohol Excess

Increases oxidative stress and depletes antioxidant enzymes

Alcohol metabolism generates reactive oxygen species · moderate significance

Medication interactions

Discuss these with a pharmacist before combining
chemotherapy Moderate

May interfere with oxidative mechanisms of some treatments

What to do: Consult oncologist before use during treatment

immunosuppressants Minor

May enhance immune function

What to do: Monitor immune status if using both

blood-thinners Minor

Theoretical interaction through improved vascular health

What to do: Monitor if using anticoagulants

Available forms

bioavailability compared
GliSODin (Gliadin-Protected SOD) 85

GliSODin (Gliadin-Protected SOD): High bioavailability, Protected from digestion, Clinically studied, Optimal absorption

Food sources

before you supplement
Organ meats (liver, kidney) High natural SOD activity · 40
Green vegetables (broccoli, spinach) Moderate SOD activity · 35
Melons and stone fruits Natural SOD content · 30
GliSODin supplements Concentrated, protected SOD enzyme · 85

Too little

deficiency signs
  • Accelerated cellular aging and damage:
  • Increased susceptibility to oxidative stress
  • Poor exercise recovery and muscle damage
  • Accelerated aging processes
  • Increased inflammation and tissue damage
  • Mitochondrial dysfunction and energy decline
  • Higher risk of degenerative diseases

Too much

toxicity signs
  • Generally very safe but potential concerns:
  • Allergic reactions to bovine-derived forms
  • Digestive upset with poor-quality products
  • Theoretical interference with beneficial oxidative signaling
  • Reduced effectiveness due to poor bioavailability

Who benefits most

aging-adults

Age-related decline in natural SOD production

250-500 IU daily with bioavailable forms
high-oxidative-stress

Enhanced protection against environmental and lifestyle stressors

500-1000 IU daily
athletes-intense-training

Reduces exercise-induced oxidative damage and improves recovery

500-750 IU daily, especially around training
chronic-inflammatory-conditions

Helps reduce oxidative stress component of inflammation

250-750 IU daily
longevity-anti-aging

Supports healthy aging by protecting against cellular damage

250-500 IU daily long-term

Where to buy it

compare forms first

Look for Superoxide Dismutase (SOD) at 250-750 IU daily per serving. The form that matters here is GliSODin (Gliadin-Protected SOD).

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What else affects it

Beyond other supplements
!
Excessive iron

May promote oxidative stress and reduce SOD effectiveness

Iron catalyzes formation of hydroxyl radicals
!
Alcohol excess

Increases oxidative stress and depletes antioxidant enzymes

Alcohol metabolism generates reactive oxygen species

How it works

  • Catalyzes dismutation of superoxide radicals (2O2- + 2H+ → H2O2 + O2)
  • Cu/Zn-SOD protects cytoplasm and nucleus from oxidative damage
  • Mn-SOD specifically protects mitochondria from superoxide damage
  • Prevents superoxide from forming more damaging peroxynitrite radicals
  • Works synergistically with catalase and glutathione peroxidase
  • Maintains cellular redox balance and prevents oxidative chain reactions

Key findings

what the evidence supports
  • Essential enzyme for cellular protection and healthy aging
  • Bioavailability is crucial - protected forms like GliSODin most effective
  • Generally very safe with minimal side effects
  • Most beneficial when combined with other antioxidant enzymes

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 Superoxide Dismutase (SOD)?

Documented effects: Primary free radical neutralization; Enhanced cellular longevity; Improved mitochondrial function; Reduced inflammation. Converts harmful superoxide radicals into harmless hydrogen peroxide and oxygen

How much Superoxide Dismutase (SOD) should you take per day?

The common daily range is 250-750 IU daily. By goal — antioxidant support: 250-500 IU daily; therapeutic: 500-1000 IU daily; athletic performance: 750-1000 IU daily around training; maximum: Follow product guidelines, typically not more than 1000 IU daily.

When is the best time to take Superoxide Dismutase (SOD)?

With meals. First effects are typically reported within Immediate cellular protection upon absorption.

What are the side effects of Superoxide Dismutase (SOD)?

At excessive doses: Generally very safe but potential concerns:, Allergic reactions to bovine-derived forms, Digestive upset with poor-quality products, Theoretical interference with beneficial oxidative signaling, Reduced effectiveness due to poor bioavailability. Safety rating at normal doses is 9 out of 10.

What should you not take with Superoxide Dismutase (SOD)?

Separate it from Excessive Iron, Alcohol Excess by two to four hours. May promote oxidative stress and reduce SOD effectiveness

Does Superoxide Dismutase (SOD) interact with medications?

Documented interactions with chemotherapy, immunosuppressants, blood-thinners. Discuss these with a pharmacist before combining.

How do you know if you need Superoxide Dismutase (SOD)?

The marker is SOD activity levels, oxidative stress markers, inflammatory markers, optimal range Normal to high SOD activity, low oxidative stress. Common deficiency signs: Accelerated cellular aging and damage:, Increased susceptibility to oxidative stress, Poor exercise recovery and muscle damage, Accelerated aging processes.

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