Herbal Extract
Polygala Tenuifolia
A traditional herb used in Chinese medicine to support memory, mood, and cognitive clarity.
KÖGN Health grades Polygala Tenuifolia as B (Moderate evidence) and rates it 3.7 out of 5.
Last reviewed · June 2026
Primary effects
- Improved memory
- Mood support
- Cognitive clarity
How it works
Modulates neurotransmitter systems associated with memory and emotional balance.
Overview
Polygala Tenuifolia has a long history of use in traditional medicine for cognitive and emotional support. Modern research suggests it may influence neurotransmitter systems related to learning and mood regulation. However, human clinical evidence is still limited, and its effects are considered mild and gradual.
Related ingredients
Graded entries that target the same cognitive goals.
Categories
Educational information, not medical advice. The evidence grade is KÖGN’s editorial assessment of published research, not a health claim. Speak to a qualified clinician before changing what you take.