What are the effects and functions of Polygala tenuifolia (Yuan Zhi)?
Generally, the effects and functions of Polygala tenuifolia (Yuanzhi) include calming the mind and enhancing intelligence, resolving phlegm and relieving cough, dispersing swellings and abscesses, improving digestion, and providing sedative and hypnotic effects. Detailed analysis is as follows:

1. Calming the Mind and Enhancing Intelligence
Containing saponins, flavonoids, and other components, Polygala tenuifolia can exert a calming effect on the nerves and is effective in treating symptoms such as insomnia, forgetfulness, and anxiety.
2. Resolving Phlegm and Relieving Cough
Polygala tenuifolia contains abundant saponins, which have good expectorant properties, helping accelerate the expulsion of respiratory secretions and providing certain therapeutic effects for symptoms such as cough and bronchitis caused by colds.
3. Dispersing Swellings and Abscesses
The saponins in Polygala tenuifolia can help promote the circulation of qi and blood, offering some therapeutic benefit for purulent skin infections and similar symptoms.
4. Improving Digestion
Polygala tenuifolia can also stimulate gastrointestinal motility, thereby accelerating food digestion and absorption. It can be used to treat symptoms such as indigestion and loss of appetite.
5. Sedative and Hypnotic Effects
Polygala tenuifolia also has sedative and sleep-inducing effects, providing significant help for symptoms such as restlessness and sleep disorders. Additionally, it can relieve fatigue and improve sleep quality.
In daily life, attention should be paid to moderate consumption, as it may irritate the gastrointestinal mucosa. Excessive intake may cause discomfort symptoms such as abdominal pain and acid reflux, which are detrimental to health.