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PreclinicalResearch compoundLimited evidence

Jujube

Calming herb (Ziziphus jujuba), GABAergic sleep aid, mostly preclinical data.

AnxiolyticHerbAnxiolyticSleepGABASerotoninnoo.affects.sleep

Pharmacology

ClassAnxiolytic · Sleep
Primary targetGABA-A receptor positive modulation
Targets4 receptor targets
Half-lifeNot well characterized
OnsetEvening, about 1 hour before bed
EvidenceLimited evidence
Affected systemsGABASerotoninnoo.affects.sleep

Contents

WHAT IS JUJUBE?

Detailed overview

Jujube (Ziziphus jujuba), also known as the red date or Chinese date, is a traditional East Asian fruit and herb; its seed (Suan Zao Ren, Ziziphi Spinosae Semen) is the classic calming and sleep-promoting drug in traditional Chinese medicine. The effect is attributed to several constituent groups: jujuboside saponins, flavonoids (such as spinosin), triterpenic acids and polysaccharides, which in preclinical studies modulate the GABA and serotonin systems, reduce arousal and improve sleep onset. Reports describe mild sedation, anxiolytic effects and better sleep quality without heavy suppression, alongside antioxidant and anti-inflammatory activity. Human clinical evidence is limited: most data come from animal and laboratory models, so the effect is not well quantified in humans.

Mechanism

GABA-A positive modulation + 5-HT1A

Evidence

Mostly preclinical (little human data)

Timing

Evening, about 1 hour before bed

Receptor profile

  • GABA-A receptorsModerate
  • 5-HT1A serotonin receptorWeak
  • HPA axis (cortisol)Weak
  • Oxidative stressWeak

Safety

Side effects, stop signs, contraindications

Side effects · 5

  • Regarded as generally safe as a food in normal amounts, with few reported side effects
  • Mild drowsiness or sedation, especially with evening dosing of the seed extract
  • The dried fruit is high in sugar and calories, taxing in large amounts
  • Possible digestive upset or loose stool with high-dose extract
  • Limited human safety data: most evidence comes from animal and laboratory studies

Contraindications · 4

  • Pregnancy and breastfeeding: insufficient safety data, avoid the sedative seed extract
  • Additive central nervous system depression with other sedatives, hypnotics or alcohol
  • Diabetes: caution due to the high sugar content of the dried fruit
  • Avoid before driving or operating machinery if sedation occurs

Related Nootropics

Same therapeutic category

Studies

Related research and clinical findings

FAQ

FAQ

Calming herb (Ziziphus jujuba), GABAergic sleep aid, mostly preclinical data.

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Structure & chemistry

TypeAnxiolytic
UpdatedJuly 10, 2026
MolekulaX Editorial Team·Source-verified · PubMed · FDA · EMA
Updated: July 10, 2026

The information here is strictly for educational and scientific purposes. It does not replace medical advice or clinical consultation, and it does not encourage illegal substance or pharmaceutical use. Data is sourced. When in doubt, consult your doctor.