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Better Know A Formula: Er Zhi Wan

Updated: Feb 18, 2022

Written by Amber Largent L.Ac.

Did you know that there are traditional harvest days for certain herbs to maximize their effectiveness?

In the classic Yin Nourishing formula Er Zhi Wan (Two Ultimate Pill or Two Solstice Pill) the two ingredients Mo Han Lian (Eclipta herb) and Nu Zhen Zi (Ligustrum fruit) are supposed to be harvested on the Summer Solstice and Winter Solstice respectively to maximize their energetic properties.

Yin and Yang Aspect of Winter Solstice & Summer Solstice

The Winter Solstice is the most yin day of the year (yin governing darkness) and the Summer Solstice is the most yang day of the year(yang governing light.) If you think of a yin-yang symbol the Solstices could be seen as the top and bottom portions of the image in that area where one is just about to transform into the other.

This creates a delicately balanced but effective formula that is easy to digest and treats a variety of symptoms associated with Yin Vacuity including low back and knee weakness/soreness, dryness of the mouth and throat, and premature greying of the hair or hair loss.


Interested in working with Amber Largent L.Ac.? Schedule a session today with Amber here.

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