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

Pharmacology
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
Jujuboside A in ameliorating insomnia in mice via GABAergic modulation of the PVT
Wang M, Wang G, Zhao M, Hou L
Sleep-Enhancing Effect of Water Extract from Jujube (Zizyphus jujuba Mill.) Seeds Fermented by Lactobacillus brevis L32
Bae GY, Ahn Y, Hong KB, Jung EJ
Neuroprotective effect of Ziziphi Spinosae Semen on rats with p-chlorophenylalanine-induced insomnia via activation of GABA(A) receptor
Xiao F, Shao S, Zhang H, Li G
Extraction Methods and Sedative-Hypnotic Effects of Total Flavonoids from Ziziphus jujuba Mesocarp
Li J, Li B, Shi X, Yang Y
Recent Advances on the Chemical Compositions, Biological Activities, and Applications of Ziziphi Spinosae Semen: From Traditional Treasures to Modern Medical Stars
Tang Y, Shang S, Runhua X, Pan G
FAQ
FAQ
Calming herb (Ziziphus jujuba), GABAergic sleep aid, mostly preclinical data.
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Structure & chemistry
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.