Tai Zi Shen (Pseudostellaria heterophylla): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Tai Zi Shen work as an adaptogen?

Tai Zi Shen contains polysaccharides and glycosides that are believed to modulate immune function and support the adrenal system, helping the body resist stress. In Traditional Chinese Medicine (TCM), it is prized for tonifying both Qi and Yin without being cloying or heavy. Evidence Level C suggests potential adaptogenic effects, making it suitable for restoring energy in fatigued individuals without the over-stimulating properties of stronger ginsengs.

Does Tai Zi Shen interact with prescription medications?

Currently, there are no well-documented severe drug interactions for Pseudostellaria heterophylla. However, because it modulates immune activity, it may theoretically interfere with immunosuppressant drugs. Patients taking anticoagulants should also exercise caution, as specific safety studies are limited (Evidence Level C). It is always recommended to consult a healthcare provider before adding herbal supplements to a prescription regimen.

What is the standard dosage for Tai Zi Shen root?

The standard adult dosage for Tai Zi Shen is 9–30 grams of dried root as a decoction, or 500 mg to 1 gram of a standardized extract daily. Because it is a gentle tonic, lower doses are often used for children or the elderly. It is typically taken long-term to address chronic Qi and Yin deficiency, but specific dosing should be determined by a qualified practitioner.

Is Tai Zi Shen safe to take during pregnancy?

Tai Zi Shen is generally considered safe during pregnancy and lactation when used under professional guidance. In TCM, it is frequently prescribed for postpartum weakness due to its gentle tonifying properties. Unlike stronger ginsengs, it does not strongly activate blood circulation, making it a preferred tonic for sensitive populations. However, pregnant women should always consult a healthcare provider before use.

What are the primary uses of Tai Zi Shen in TCM?

Tai Zi Shen is primarily used to treat Qi and Yin deficiency, particularly in children, the elderly, or those too weak to tolerate stronger tonics. It helps alleviate chronic fatigue, weakness, and lung yin deficiency characterized by a dry cough. It is considered a gentle adaptogen that restores vitality without causing heat or stagnation, making it ideal for post-illness recovery (Evidence Level C/Traditional use).

Who should avoid taking Tai Zi Shen?

Individuals with acute infections accompanied by heat signs, such as high fever or severe sore throat, should avoid Tai Zi Shen. In TCM theory, using tonics during active infections can trap pathogens in the body, potentially worsening the condition. Side effects are rare but may include mild gastrointestinal upset or bloating if taken in excess. It is best suited for deficiency patterns rather than excess conditions.

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Pseudostellaria heterophylla (Tai Zi Shen) is a traditional Chinese medicinal and edible herb used for its immunomodulatory, antioxidant, and antitumor properties [PMID:38459926, PMID:40942180].

Contexte

Pseudostellaria heterophylla, also known as Tai Zi Shen or Prince Ginseng, is a member of the Caryophyllaceae family [PMID:33365497, PMID:39368760]. It is a dual-purpose medicinal and edible herb widely cultivated in China [PMID:40942180, PMID:37149225].

Usages traditionnels

It has been used in traditional Chinese medicine for thousands of years to nourish qi, invigorate the spleen, promote body fluid production, and moisten the lungs [PMID:40572486]. It is frequently employed to address fatigue, loss of appetite, spleen deficiency, and weakness following illness [PMID:39368760].

Composés actifs

Active constituents include cyclic peptides (such as heterophyllin B and Pseudostellarin K), polysaccharides, oligosaccharides, flavonoids, saponins, and phenolic acids [PMID:31139247, PMID:40572486, PMID:33331165, PMID:41977322].

Mécanisme d'action

Pseudostellaria heterophylla polysaccharides (PHP) attenuate diabetic lower limb ischemia by regulating PANoptosis and mitochondrial homeostasis via CYP2E1 [PMID:41005057]. Heterophyllin B enhances transcription factor EB-mediated autophagy to alleviate oxidative stress and pyroptosis [PMID:39494322]. Other mechanisms include remodeling the tumor immune microenvironment in colorectal cancer [PMID:39828144] and regulating the microbiota-gut-brain axis to reduce amyloid β build-up in Alzheimer's-like pathology [PMID:38750854].

Preuves cliniques

Preuve DAlzheimer's-like pathology (murine model)

Polysaccharides (PH-PS) ameliorated learning and spatial memory deficits and reduced amyloid β build-up [PMID:38750854]

Preuve DSpinal Cord Injury (murine model)

Heterophyllin B improved functional recovery by promoting axonal regeneration and reducing neuroinflammation [PMID:39494322]

Preuve DDiabetic Lower Limb Ischemia (murine/in vitro)

Polysaccharides (PHP) improved blood perfusion and microvessel density [PMID:41005057]

Preuve DColorectal Cancer (murine model)

Aqueous extract (AEPH) ameliorated colorectal cancer by remodeling the tumor immune microenvironment [PMID:39828144]

Preuve BGrowth and liver metabolism (chicks)

PHP significantly increased average daily gain, total protein, albumin, insulin, thyroxine, and growth hormone [PMID:37931159]

Synthèse des preuves

The current evidence is primarily based on in vitro studies and animal models (murine and avian), indicating strong pharmacological potential for neuroprotection, immunomodulation, and metabolic support, though human clinical trials are lacking in the provided data.

Sources PubMed

1.PMID: 31139247 (2019) — Chemistry, pharmacology and analysis of Pseudostellaria heterophylla: a mini-review. · Chinese medicine
2.PMID: 41005057 (2025) — Pseudostellaria heterophylla polysaccharides attenuate diabetic lower limb ischemia via CYP2E1-mediated mitochondrial homeostasis and PANoptosis regulation. · Phytomedicine : international journal of phytotherapy and phytopharmacology
3.PMID: 35432244 (2022) — Pathogen-Mediated Assembly of Plant-Beneficial Bacteria to Alleviate Fusarium Wilt in Pseudostellaria heterophylla. · Frontiers in microbiology
4.PMID: 32529767 (2020) — Rapid authentication of Pseudostellaria heterophylla (Taizishen) from different regions by near-infrared spectroscopy combined with chemometric methods. · Journal of food science
5.PMID: 38391514 (2024) — Synergistic Effects of Oligochitosan and Pyraclostrobin in Controlling Leaf Spot Disease in Pseudostellaria heterophylla.

Tai Zi Shen

Sources et citations

Calculer une dose sûre de Tai Zi Shen

Schisandra Sphenanthera

Cordia Myxa

Alpinia calcarata

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Synthèse des preuves

Sources PubMed

Sources gouvernementales

Tai Zi Shen

Sources et citations

Calculer une dose sûre de Tai Zi Shen

Plantes associées

Schisandra Sphenanthera

Cordia Myxa

Alpinia calcarata

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Synthèse des preuves

Sources PubMed

Sources gouvernementales