Polygala tenuifolia
Also known as: Yuan Zhi, Chinese senega, Polygala tenuifolia 20:1 Extract, Thin-leaf Milkwort, Polygalae radix
Overview
A traditional Chinese herb used for centuries to support memory, cognitive clarity, and emotional balance; the 20:1 extract represents a concentrated form standardized to preserve bioactive constituents. Modern research suggests potential nootropic and anxiolytic properties, though human clinical evidence remains limited.
Dosage
Weeks for effects
Memory, mild anxiety
Mechanism of Action
- โข May increase BDNF
- โข Anti-inflammatory in brain
- โข Traditional memory tonic
Evidence Quality
Traditional cognitive herb
Safety & Contraindications
- โข None established
- โข None known
- โข GI upset
Avoid
Safe
Interactions
- โข Unknown
- โข Works with other nootropics
- โข No interactions
Stacking & Synergies
Buying Guide
- โข Standardized extract
- โข Traditional Chinese memory herb
- โข Limited but promising research
Frequently Asked About Polygala tenuifolia
How much Polygala tenuifolia should I take?
When is the best time to take Polygala tenuifolia?
Should I take Polygala tenuifolia with food?
Does Polygala tenuifolia interact with medications?
What does Polygala tenuifolia pair well with?
Who should not take Polygala tenuifolia?
What are the side effects of Polygala tenuifolia?
Educational content based on published research and our scoring methodology. Not medical advice โ consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.