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Kava
卡瓦胡椒 (Kǎ Wǎ Hú Jiāo) · Piper methysticum
A Pacific Islands ceremonial plant with strong clinical evidence for anxiety reduction. Contains kavalactones that modulate GABA receptors. Controversial due to rare liver concerns.
Good For
Key Benefits
May help the body adapt to stress
Traditionally used to calm the spirit and ease tension
May promote relaxation and improve sleep quality
Traditionally used to calm the mind and support restful sleep
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, 卡瓦胡椒 (Kǎ Wǎ Hú Jiāo) has been used for centuries. It is traditionally used to calm the spirit (shen) and settle the heart-mind.
Modern Research
Moderate research exists for this herb, including some clinical trials and substantial preclinical data. While not as extensively studied as top-tier herbs, the evidence supports several traditional uses. More human trials would strengthen the evidence base.
View all studies on PubMed for Piper methysticum →Where to Buy
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