Tonify Yin: Herbs and Formulas Guide

Yin is the body's reservoir: its coolness, its moisture, its depth and stillness. When Yin depletes, heat rises, dryness sets in, and the body loses its ability to rest and recover. The signs can look like restless nights, afternoon heat, a dry throat, a racing mind that will not quiet, or a hollow feeling that tonics do not seem to reach.

This guide covers the key Yin-nourishing herbs of the Chinese materia medica, including Ophiopogon, Lycium berries, Tortoise Shell, Tremella, Adenophora, and more, with herb profiles organized into primary and secondary groups. The formula section follows an organ-system approach: Lung Yin, Stomach Yin, Liver and Kidney Yin, with classical formulas such as Liu Wei Di Huang Wan, Zuo Gui Wan, Da Bu Yin Wan, Yi Guan Jian, and Bai He Gu Jin Tang presented with full clinical context.

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