Suan Zao Ren Tang — Sour Jujube Seed Decoction

On this page

1. Overview
2. TCM pattern
3. Key herbs
4. Conditions treated
5. Cautions

Overview

Suan Zao Ren Tang — Sour Jujube Seed Decoction — is the classical Chinese herbal formula most specifically targeted at insomnia arising from Liver Blood deficiency. Originating from Zhang Zhongjing’s Jin Gui Yao Lue, it has been the primary formula for sleeplessness in TCM for nearly 2,000 years. Suan Zao Ren (sour jujube seed) is the most important single herb in the entire TCM materia medica for insomnia, and this formula builds a complete therapeutic context around it. Modern pharmacological research has confirmed multiple sleep-promoting mechanisms in the formula’s key herbs, including effects on GABA receptors and serotonin pathways.

TCM pattern

Prescribed for Liver Blood deficiency with Liver Heat disturbing the Heart-Mind, characterised by: difficulty falling asleep or staying asleep, restlessness and irritability in the evening, palpitations, anxiety, night sweats, dry mouth and throat, dizziness, a pale or slightly red tongue, and a thin, wiry or rapid pulse.

Key herbs

1. Suan Zao Ren (Ziziphus spinosa seed) — the principal herb (in a large dose); nourishes Heart and Liver Blood, calms the Shen and promotes sleep
2. Chuan Xiong (Ligusticum chuanxiong rhizome) — invigorates Blood and moves Qi; balances the calming action of Suan Zao Ren
3. Zhi Mu (Anemarrhena asphodeloides rhizome) — clears the Liver Heat that disturbs the Shen; nourishes Yin
4. Fu Ling (Poria cocos) — calms the Heart-Mind and tonifies Spleen Qi
5. Gan Cao (Glycyrrhiza uralensis root) — harmonises the formula

Conditions treated

1. Insomnia — particularly difficulty falling asleep with a restless, overactive mind from Liver Blood deficiency
2. Anxiety and palpitations at night from insufficient Liver Blood anchoring the Shen
3. Night sweats from Liver Blood and Yin deficiency
4. Depression with insomnia as a prominent feature from Blood deficiency
5. Burnout and overwork depleting Liver Blood, producing insomnia
6. Menopausal insomnia from Liver Blood and Yin deficiency

Cautions

Always consult a qualified Chinese herbalist registered with the Register of Chinese Herbal Medicine (RCHM). Online herbal consultations are available. See the prices page for costs.