What is Schisandra extract?

Schisandra extract is a concentrated preparation from the berries of Schisandra chinensis. It is traditionally used as an adaptogenic herb and for liver and antioxidant support.

What are the main benefits of Schisandra extract?

Schisandra extract is commonly used to support liver health, help the body adapt to stress, and provide antioxidant and anti-inflammatory support. Effects are attributed largely to lignans and other plant compounds.

How much Schisandra extract should I take?

Typical supplemental amounts are often in the range of 100–500 mg per day, depending on extract strength and product directions. Start with a lower dose and follow the label or clinician guidance.

Is Schisandra extract safe, and who should avoid it?

Schisandra is generally well tolerated for many adults, but it may cause digestive upset in some people. Pregnant or breastfeeding individuals and those with medical conditions should consult a clinician before use.

Can Schisandra extract interact with medications?

It may interact with some medications by affecting how the liver metabolizes drugs. If you take prescription medicines, especially those with narrow dosing ranges, check with a pharmacist or clinician before using it.

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Schisandra
Extract

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Schisandra extract is an adaptogenic herbal supplement traditionally used to support liver health, reduce stress, and provide antioxidant protection.

Anti-inflammatory Cognitive Enhancement Stress Relief Antioxidant Liver Health

dose range

100–500 mg

1–2 doses per day

Consumption

Take with meals to enhance bioavailability and minimize stomach discomfort.

Not fat-soluble.

Best time

Morning or with first meal is preferred for optimal adaptogenic effects.

Description

Derived from the Schisandra chinensis berry, schisandra extract is recognized in traditional East Asian medicine for its adaptogenic, hepatoprotective, and antioxidant properties. Key bioactive compounds include lignans, which contribute to its therapeutic activity for modern wellness uses.

benefits

Main effects with level of evidence

Moderate

Note on evidence

Evidence is strongest for liver protection and stress resilience, with supportive but limited human studies for other potential benefits.

Supports Liver Health

Moderate

Schisandra extract has hepatoprotective effects, helping reduce liver enzyme levels, support liver regeneration, and protect against toxin-induced damage. Most benefit observed in chronic hepatitis and mild liver function compromise.

Particularly relevant for: Individuals with non-alcoholic fatty liver disease (NAFLD) · People with mild liver enzyme elevations

1 · PubMed: Schisandra chinensis and liver health review 7 · European Medicines Agency: Herbal summary for Schisandra chinensis

Reduces Fatigue and Improves Stress Resilience

Moderate

As an adaptogen, schisandra supports the body's response to physical and mental stress and may help reduce fatigue, improve attention, and support overall vitality.

Particularly relevant for: Adults under chronic stress · Athletes and active individuals

2 · PubMed: Schisandra’s adaptogenic and anti-fatigue properties 5 · NIH NCCIH: Adaptogens research review 6 · Examine.com: Schisandra supplement summary

Offers Antioxidant and Anti-inflammatory Effects

Limited

High lignan and polyphenol content provides antioxidant defense, reducing oxidative stress and contributing to anti-inflammatory support, potentially benefiting cellular and skin health.

Particularly relevant for: Individuals seeking antioxidant support · People with inflammation-driven health concerns

3 · PubMed: Antioxidant and anti-inflammatory effects of Schisandra 6 · Examine.com: Schisandra supplement summary

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally well tolerated at recommended doses but associated with specific contraindications and risks in certain populations.

warning notices

Pregnant and breastfeeding individuals should not use schisandra due to lack of safety data.
Possible mild digestive side effects include stomach upset and heartburn.
Risk of allergic reactions, with symptoms such as rash or swelling.
Potential drug interactions exist with immunosuppressants, anticoagulants, and anti-seizure medications.
Avoid use during pregnancy and breastfeeding due to insufficient safety data.
Avoid use in individuals with epilepsy or a history of seizures.
Use only under medical supervision if taking immunosuppressant, anticoagulant, or antiplatelet medications.
Discontinue use if experiencing allergic reactions such as rash, itching, or swelling.

Known interactions with medications

Immunosuppressants
Anticoagulants (warfarin, clopidogrel)
Antiplatelet drugs
Anti-seizure medications

Contraindications / special precautions

Pregnancy
Breastfeeding
Epilepsy or seizure disorders

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Schisandra may interact with medications metabolized by the liver due to its effects on liver enzymes and may potentiate or inhibit their actions.

May alter blood levels of immunosuppressant drugs.

drug · Immunosuppressants

CautionLimited

Why

Schisandra constituents can induce or inhibit cytochrome P450 liver enzymes, affecting drug metabolism.

recommendation

Use only under strict medical supervision if taking immunosuppressants.

4 · WebMD: Schisandra overview 6 · Examine.com: Schisandra supplement summary

May alter the effect of blood-thinning medications.

drug · Anticoagulants and antiplatelet drugs

CautionLimited

Why

Schisandra may modify liver enzyme activity, potentially influencing drug levels of anticoagulants and antiplatelets.

recommendation

Monitor for signs of bleeding or bruising, and discuss with a healthcare provider.

4 · WebMD: Schisandra overview 6 · Examine.com: Schisandra supplement summary

May lower the seizure threshold or alter anti-seizure medication levels.

drug · Anti-seizure medications (e.g., phenytoin)

AvoidLimited

Why

Schisandra may affect drug-metabolizing enzymes, interacting with anti-epileptic drugs.

recommendation

Avoid use in individuals with epilepsy or those taking anti-seizure medications.

4 · WebMD: Schisandra overview

mechanisms of action

Brief explanations of how it works

Hepatoprotective Lignans Modulate Liver Enzymes

Schisandra lignans increase glutathione and modulate phase I and II detoxification pathways in the liver, promoting protection against chemical-induced liver damage.

1 · PubMed: Schisandra chinensis and liver health review 7 · European Medicines Agency: Herbal summary for Schisandra chinensis