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Sophora Root (Ku Shen)
苦参 (Kǔ Shēn) · Sophora flavescens
A bitter TCM herb for clearing heat and dampness. Used for skin conditions (eczema, itching), diarrhea, and urinary infections. Contains matrine with antitumor research interest.
Good For
Key Benefits
May support skin health and appearance
Traditionally used to nourish the complexion and promote radiance
May support healthy digestive function
Traditionally used to harmonize the stomach and intestines
How to Take
Safety & Interactions
Possible Side Effects
- Digestive discomfort at higher doses
- May cause drowsiness or stimulation depending on the herb
- Allergic reactions possible in sensitive individuals
Do Not Use If
- Pregnancy and breastfeeding (insufficient safety data)
- Children under 12 without professional guidance
- Scheduled surgery (stop 2 weeks before)
Drug Interactions
- May interact with prescription medications
- May affect blood sugar or blood pressure medications
- Consult pharmacist before combining with other supplements
Traditional Use
In Traditional Chinese Medicine, 苦参 (Kǔ Shēn) has been used for centuries. It supports the spleen and stomach — the foundation of post-natal qi production in TCM theory. It nourishes yin and blood to promote a healthy, radiant complexion in TCM beauty formulations.
Modern Research
Research is still emerging for this herb. Most evidence comes from animal studies, in-vitro experiments, and traditional use records. Limited clinical trial data is available. The herb shows promise but requires more rigorous human studies to confirm efficacy.
View all studies on PubMed for Sophora flavescens →Where to Buy
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