Pinella ternata (Ban Xia)

Tier 3 — weak evidence · TCM · Nausea · Phlegm-resolving

One of the most commonly used herbs in Traditional Chinese Medicine, classified as a phlegm-resolving and nausea-relieving herb. Contains pinellic acid with demonstrated anti-emetic effects. Raw Ban Xia is toxic (severe throat and GI irritation) — only processed (Fa/Jiang) forms are safe. Always used in combination formulas in TCM practice, not as a standalone. Almost no modern Western clinical trials.

Dose: 6–12 g/day in traditional decoctions using PROCESSED form only; raw form is toxic; typically combined in formulas