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Sour jujube seed (Ziziphus jujuba var. spinosa), also known as Suan Zao Ren in traditional Chinese medicine (TCM), is an herb derived from the seeds of the jujube fruit tree. The herb has a long history of use in TCM for its calming and sedative effects, and it is often used to treat insomnia, anxiety, irritability, and palpitations.

Sour jujube seed is believed to nourish the heart and calm the mind by regulating the body's energy or qi. It is also believed to nourish the liver and improve the quality of sleep. In TCM, the herb is typically prepared as a decoction or tea, and it is often combined with other herbs for maximum therapeutic effect.



  • Promotes relaxation and sleep: Sour jujube seed is often used as a natural remedy to promote relaxation and improve sleep quality. It is believed to have a calming effect on the nervous system, which can help to reduce anxiety, irritability, and insomnia. Research suggests that sour jujube seed may have sedative properties, and it has been shown to improve sleep quality in clinical studies.

  • Supports digestion: Sour jujube seed may also help to support healthy digestion. It is believed to stimulate the production of digestive enzymes, which can aid in the breakdown of food and the absorption of nutrients. In addition, sour jujube seed has been shown to have anti-inflammatory properties, which may help to reduce inflammation in the digestive tract and improve overall gut health.

  • Provides antioxidant support: Sour jujube seed is rich in antioxidants, which can help to protect the body against oxidative stress and reduce the risk of chronic diseases. Studies have shown that sour jujube seed extract has potent antioxidant activity, which may help to protect against cell damage caused by free radicals. In addition, sour jujube seed has been shown to have anti-inflammatory properties, which can further support overall health and wellbeing.



  • Sour jujube seeds can interact with certain medications, including sedatives and antidepressants, and should not be used by people taking these medications without first consulting a healthcare provider.

  • Sour jujube seeds may cause gastrointestinal symptoms, such as nausea, vomiting, or abdominal discomfort, in some people.

  • The safety of using sour jujube seeds during pregnancy and breastfeeding has not been fully studied, and it is best to consult with a healthcare provider before using them during these times.

  • Sour jujube seeds may cause allergic reactions in some people, particularly those who are sensitive to other plants in the same family.

  • Sour jujube seeds can cause drowsiness or dizziness in some people, particularly when used in large amounts or in combination with other sedatives.


Tastes LIke:

Sour jujube seed herb (Ziziphus jujuba var. spinosa) has a distinctive taste that is difficult to describe. As the name suggests, the herb has a slightly sour taste, but it also has a slightly sweet and bitter flavor. Some people compare the taste of sour jujube seed to that of a mild coffee or caramel flavor. The taste of the herb can vary depending on how it is prepared and what other herbs it is combined with.



  • Decoction: A decoction is a type of herbal tea that involves simmering the herbs in water for an extended period of time to extract their active compounds. To make a sour jujube seed decoction, you will need to simmer 6-10 grams of dried sour jujube seeds in 3 cups of water for about 30 minutes. Strain the liquid and drink the tea warm.

  • Powdered form: Sour jujube seed can also be purchased in powdered form. To use the powder, mix 1-2 grams of sour jujube seed powder into warm water or another beverage and drink.

  • Capsules: Sour jujube seed is also available in capsule form. Follow the manufacturer's instructions for dosage and usage.

  • Combined with other herbs: In traditional Chinese medicine, sour jujube seed is often combined with other herbs for maximum therapeutic effect. You can find pre-made herbal formulations that contain sour jujube seed

Sour Jujube Seed (Sua Zao Ren)

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