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Botanical & herbal supplements

Schisandra chinensis

Schisandra chinensis fruit extract and lignan-containing botanical

Schisandra chinensis is a five-flavor berry botanical sold as whole fruit powder, tincture, tea and standardized extract. It has traditional adaptogen and liver-use history, but direct human nootropic evidence is limited. Small human extract trials more often study muscle-strength, fatigue-related or menopausal endpoints rather than memory or focus. Buyers should compare species, fruit/extract form, lignan standardization, the 1 g/day extract context, testing documentation, and CYP3A/P-gp drug-handling review.

Fatigue ResistanceStress ResiliencePhysical PerformanceMitochondrial SupportAntioxidant PathwaysWhole HerbStandardized Extract
Updated August 2026/5 min read/9 citations
Reviewed by the NootropicsIndex editorial team.Method: prioritize cited human research and official safety or regulatory sources; compare retailer-listed prices without endorsing products.Affiliate disclosure
01

What is it?

What it is

1

Schisandra chinensis is a berry-bearing vine used in traditional Chinese herbal practice and sold as dried fruit, powder, tea, tincture and standardized extract. Labels may highlight lignans such as schisandrin, but products differ by species, plant part, extract solvent, extract ratio and marker disclosure.

Nootropic claim check7
Schisandra is often marketed for resilience, energy and brain support, but the direct human cognition base is weak. Consider it a traditional botanical with limited brain-specific evidence rather than a proven memory or focus compound.

Human trial context

5

A small randomized trial in older adults used 1 g/day Schisandra extract for 12 weeks alongside low-intensity exercise and reported a muscle-strength finding without a muscle-mass change. That is extract-specific context, not a productivity claim.

Mechanistic brain research

7

Schisandra lignans have been reviewed for neuroprotective and cognition-related mechanisms, but much of that evidence comes from animal or cell models. Do not treat mechanistic plausibility as proven human nootropic efficacy.

02

Names, aliases and forms

Common NamesSchisandra; Chinese magnolia-vine
Latin NameSchisandra chinensis
Traditional NameWu wei zi
Plant PartFruit
Active ConstituentDibenzocyclooctadiene lignans
Marker CompoundSchisandrin
Extract NameSchisandra extract
03

Potential effects and evidence map

Schisandra chinensis has a long traditional-use record and mechanistic lignan research, including animal and in-vitro cognition-related findings. Human evidence relevant to supplement buyers is narrower: small randomized trials used 1 g/day extract for muscle-strength and fatigue-related outcomes, and another trial studied menopausal symptoms. There is not enough direct human evidence to present it as a proven nootropic for memory, focus or productivity.

Effect domainMagnitudeGrade
Physical energy / endurance4
CumulativeConfidence: Medium

A small 12-week extract trial assessed strength and fatigue-related measures in adult women; it does not establish a cognitive-energy effect.

Note The buyer-facing human context is outside direct nootropic use.

2/5
C
Stress resilience3
CumulativeConfidence: Low

Schisandra is traditionally framed as an adaptogen, but modern direct human data for everyday stress resilience remains thin.

Note Keep adaptogen language conservative and do not imply established productivity benefits.

1/5
D
Memory / learning7
UnknownConfidence: Low

Lignan research includes animal and in-vitro cognition models, but direct human evidence for memory or learning is not established.

Note Mechanistic review is useful for plausibility only.

1/5
D
Mental energy / wakefulness4
UnknownConfidence: Low

Human data do not justify strong focus, wakefulness or productivity claims for Schisandra chinensis by itself.

Note Avoid overstating nootropic relevance from fatigue or exercise endpoints.

1/5
D
04

Typical dosages and timing

trial extract anchor41 g/day extract

The small human trials cited here used 1 g/day of a specific extract for 12 weeks. Do not copy that single study context across teas, tinctures, powders or unrelated extracts without checking extract ratio and marker disclosure.

05

Timing & effect horizon

Effect horizonUnknown
Unknown
Study window4Cumulative
12 weeks
Not an acute focus product4

The cited human extract trial ran for 12 weeks. The current evidence base does not support positioning Schisandra as an immediate focus, study-session or productivity aid.

06

Safety, side effects and risk profile

Medication-interaction review matters2
Medication combinations warrant case-specific review. Evidence for CYP effects comes chiefly from lab studies, so whether it matters clinically is unknown. P-gp and tacrolimus information is product- and context-specific; seek individualized review before combining with narrow-therapeutic-index medicines.
Interaction risk2
Confidence: Medium

Schisandra may affect drug handling. CYP findings are largely in vitro and their clinical relevance is uncertain; P-gp and tacrolimus evidence is product- and context-specific. Seek clinician or pharmacist input before combining with narrow-therapeutic-index medicines.

Note This is a targeted medication-interaction caution, not a general liver or kidney risk.

2/5
C
Evidence uncertainty9
Confidence: High

Product identity and extract standardization vary, so evidence from one Schisandra species or extract cannot be assumed for every listing.

Note Species and extract disclosure are core quality issues.

3/5
D
limited human data5

Human safety data are limited. In this 12-week trial, one placebo participant reported dyspepsia; the report did not describe adverse symptoms in the extract group. This small, extract-specific study does not establish broader or long-term safety.

07

Practical buying and quality notes

  • Prefer listings that state Schisandra chinensis, fruit as the plant part, extract ratio, solvent when relevant, and a lignan or schisandrin marker. Do not assume Schisandra sphenanthera or Wuzhi tablet data apply to every Schisandra chinensis listing.9
  • A label that leads with memory, focus, study or productivity promises is ahead of the direct human evidence. More defensible labels disclose identity, marker standardization, test results and conservative structure/function wording.7
08

FAQ

Is Schisandra chinensis a nootropic?

7

It is better described as a traditional botanical sometimes marketed for resilience and energy. Direct human evidence for memory, focus or productivity is limited.

What dose appears in human extract trials?

4

Small trials used 1 g/day Schisandra extract for 12 weeks. That number should not be copied across teas, tinctures, powders or unrelated extracts without checking extract ratio and marker standardization.

What should buyers compare first?

2

Compare species, fruit versus extract form, extract ratio, lignan or schisandrin marker, batch testing, daily serving math, and whether CYP3A/P-gp drug-handling cautions are relevant to your situation.

09

References

  1. NCBI Taxonomy. Schisandra chinensis, Taxonomy ID 50507.
  2. Memorial Sloan Kettering Cancer Center. Schisandra.
  3. Panossian A, Wikman G. Pharmacology of Schisandra chinensis Bail.: an overview of Russian research and uses in medicine. J Ethnopharmacol. 2008;118(2):183-212.
  4. Park J, Han S, Park H. Effect of Schisandra Chinensis Extract Supplementation on Quadriceps Muscle Strength and Fatigue in Adult Women: A Randomized, Double-Blind, Placebo-Controlled Trial. Int J Environ Res Public Health. 2020;17(7):2475.
  5. Cho YH, Lee SY, Lee CH, Park JH, et al. Effect of Schisandra chinensis Baillon extracts and regular low-intensity exercise on muscle strength and mass in older adults: a randomized, double-blind, placebo-controlled trial. Am J Clin Nutr. 2021;113(6):1440-1446.
  6. Park JY, Kim KH. A randomized, double-blind, placebo-controlled trial of Schisandra chinensis for menopausal symptoms. Climacteric. 2016;19(6):574-580.
  7. Sowndhararajan K, Deepa P, Kim M, Park SJ, Kim S. An overview of neuroprotective and cognitive enhancement properties of lignans from Schisandra chinensis. Biomed Pharmacother. 2018;97:958-968.
  8. Iwata H, Tezuka Y, Kadota S, Hiratsuka A, et al. Identification and characterization of potent CYP3A4 inhibitors in Schisandra fruit extract. Drug Metab Dispos. 2004;32(12):1351-1358.
  9. Li J, Chen S, Qin X, Fu Q, et al. Wuzhi Tablet (Schisandra sphenanthera Extract) is a Promising Tacrolimus-Sparing Agent for Renal Transplant Recipients Who are CYP3A5 Expressers: a Two-Phase Prospective Study. Drug Metab Dispos. 2017;45(11):1114-1119.
Note

This page is informational and summarizes available evidence. It is not medical advice, a recommendation, or a substitute for guidance from a qualified clinician.