Polygala Tenuifolia (Yuan Zhi) | 1%+ 3,4,5 trimethoxycinnamic acid – Powder, 50g

Polygala Tenuifolia (Yuan Zhi) | 1%+ 3,4,5 trimethoxycinnamic acid – Powder, 50g



Polygala Teenuifolia is a rich source of 3,4,5-Trimethoxycinnamic acid, a phenylpropanoid isolated from the roots of the plant. It increases the expression of GAD65 and γ-subunit of GABAA receptor, but shows no effect on the amounts of α-, β-subunits.

Polygala Tenuifolia is a perennial herb native to Asia, it is one of the 50 fundamental herbs used in traditional Chinese medicine, where it is called yuan zhì. It is thought to have a positive effect on sleep patterns, stress levels and cognitive function, supporting memory and learning. It has been used in traditional medicine in this way for centuries.

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What is Polygala Tenuifolia?

Polygala tenuifolia (yuan zhì in Chinese) is an herb in the family Polygalaceae, native to Asia, where it has been used in traditional medicine for centuries. The herb is a rich source of tenuifolin, senegenin, polygalacic acid and 3,4,5-Trimethoxycinnamic acid which are considered to give it its potential health benefits.

Polygala Tenuifolia Benefits and Uses

Studies have shown that Polygala Tenuifolia may have the following benefits:

  • Supports cognitive function and ability
  • Supports healthy sleep patterns
  • Promotes feelings of calm and wellbeing
  • Promotes a robust respiratory system

Additional Information on Polygala Tenuifolia

Polygala Tenuifolia is considered one of the “50 fundamental herbs” in traditional Chinese medicine. These 50 herbs are thought to have been recorded in the Shénnóng Běn Cǎo Jīng, or Shennongs Meteria Medica, which is considered to be the oldest book on Chinese herbal medicine and was written by the first traditionally recognized herbalist, Shénnóng, a mythical god-like figure, who is said to have lived around 2800 BC. He allegedly tasted hundreds of herbs and imparted his knowledge of medicinal and poisonous plants to farmers.

Where to Buy Polygala Tenuifolia

Botany offers high-quality Polygala Tenuifolia powder in a quantity of 50g. Our Polygala Tenuifolia has been lab-tested and verified for both product purity and identity.

Suggested Use

For Best Results:

  • Take 100mg orally up to 3 times daily.
  • Sensitive to flavors? Feel free to mix your powder into your favorite food or drink.
  • Store in a cool, dry place away from light.
  • A 50g jar contains 500 x 100mg servings.
  • We recommend using a milligram scale to accurately measure dosages.


One Serving (100mg) Contains:

  • Polygala Tenuifolia 100mg
  • Other Ingredients: none.
  • No artificial colors, preservatives, or additives.


This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

Consult your physician if pregnant, nursing, have or suspect a medical condition.

Do not use if tamper seal is broken.

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