Er Zhi Wan (Two Ultimates Pill)

Er Zhi Wan (二至丸) is a simple, gentle pair that nourishes the yin of the Liver and Kidney; suitable for mild yin deficiency and as an addition to other formulas.

Èr Zhì Wán  ·  二至丸  ·  Two Ultimates Pill

English Name

Two Ultimates Pill

Classical Source

Yi Fang Ji Jie, 1682

Ingredients

Actions & Functions

  • Nourishes and tonifies the Liver and Kidney yin

Indications

Liver-Kidney yin deficiency: dizziness, blurred vision, tinnitus, sore weak lower back and knees, premature greying, and insomnia.

Tongue & Pulse

Tongue: red with little coat. Pulse: thin.

Modifications

Often combined with Liu Wei Di Huang Wan or blood tonics.

Cautions & Contraindications

Gentle; use with caution in Spleen deficiency with loose stools.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

Check Also

PubMed research

Acupuncture Shows Sustained Benefits for Chronic Daily Headache Prevention in Adults, Meta-Analysis Finds

Research summary (Acupuncture): Utility of Acupuncture Therapy for Adult Chronic Daily Headache Prophylaxis: A Systematic Review and Meta-Analysis. - Medical science monitor : international medical journal of experimental and clinical research, 2026.