What Is It?
Er Xian Tang is a Traditional Chinese Medicine (TCM) herbal formula traditionally used to support individuals experiencing a combination of Kidney Yin and Kidney Yang deficiency with deficiency heat.
This seemingly mixed pattern can occur during midlife and menopausal transitions, when the body's warming and cooling systems are both becoming depleted. A person may therefore experience symptoms of heat—such as hot flashes and night sweats—alongside symptoms of deficiency, such as fatigue, weakness, or feeling cold at other times.
Er Xian Tang combines warming and nourishing herbs with herbs traditionally used to clear deficiency heat and support hormonal balance from a TCM perspective.
 
Common Uses
From a Traditional Chinese Medicine perspective, Er Xian Tang may be used to support:
Hot flashes
Night sweats
Menopausal and perimenopausal transitions
Alternating sensations of heat and cold
Occasional irritability or restlessness
Fatigue or low energy
Low back or knee weakness associated with Kidney deficiency
Healthy sexual vitality
General well-being during midlife hormonal transitions
TCM patterns involving Kidney Yin and Yang deficiency with deficiency heat
 
These traditional uses are based on TCM theory and are not intended to diagnose or treat menopause, hormonal disorders, or other medical conditions.
 
Herbal Ingredients
The traditional Er Xian Tang formula contains six primary herbs:
Xian Mao (Curculigo Rhizome) – Traditionally warms and tonifies Kidney Yang and supports vitality.
Yin Yang Huo (Epimedium) – Tonifies Kidney Yang and supports strength and vitality.
Ba Ji Tian (Morinda Root) – Supports Kidney Yang while traditionally strengthening the lower back and knees.
Dang Gui (Chinese Angelica Root) – Nourishes and invigorates Blood and supports healthy circulation.
Zhi Mu (Anemarrhena Rhizome) – Clears deficiency heat and nourishes Yin.
Huang Bai (Phellodendron Bark) – Traditionally clears deficiency heat and damp-heat from the lower body.
Please verify the current Evergreen Herbs product label before publishing, as commercial formulations, proportions, or processing may differ from the traditional prescription.
 
How It Works
Traditional Perspective
In TCM, the Kidneys are associated with reproductive vitality, aging, Yin, Yang, and the body's foundational reserves.
During menopause and other periods of constitutional change, both Kidney Yin and Kidney Yang may become deficient. When Yin is insufficient, the body's cooling and nourishing functions may become less effective, contributing to deficiency heat. At the same time, Yang deficiency may contribute to fatigue, weakness, decreased vitality, or periods of feeling cold.
 
Er Xian Tang traditionally works by:
Tonifying Kidney Yang
Supporting Kidney Yin
Clearing deficiency heat
Nourishing Blood
Supporting vitality and healthy aging
Helping restore balance between the body's warming and cooling functions
The combination of warming and cooling herbs is what distinguishes Er Xian Tang from formulas intended solely for Yin deficiency or solely for Yang deficiency.
 
Who It May Be Best For
This formula may be appropriate for individuals who:
Experience hot flashes or night sweats during the menopausal transition
Alternate between feeling unusually warm and feeling cold
Experience hot flashes together with fatigue or weakness
Notice decreased vitality during perimenopause or menopause
Have low-back or knee weakness associated with a TCM Kidney deficiency pattern
Have symptoms involving both heat and deficiency, rather than a purely hot or purely cold presentation
Present with a practitioner-identified pattern of Kidney Yin and Yang deficiency with deficiency heat
Because menopausal symptoms can arise from several different TCM patterns, a professional evaluation is recommended before selecting this formula.
 
Contraindications & Precautions
Not appropriate for every person experiencing hot flashes or menopause; symptoms caused predominantly by excess heat, pure Yin deficiency, or other TCM patterns may require a different formula.
Consult a qualified healthcare professional before use during pregnancy or breastfeeding.
Individuals with a history of hormone-sensitive medical conditions should discuss herbal supplementation with their healthcare provider before use.
Use caution when taking anticoagulant or antiplatelet medications, particularly because the formula traditionally contains Dang Gui.
Yin Yang Huo (Epimedium) may interact with certain cardiovascular, blood-pressure, or other medications and may not be appropriate for everyone.
Individuals taking prescription medications, including menopausal hormone therapy, should have the complete ingredient list reviewed by their healthcare provider or pharmacist.
New or unexplained vaginal bleeding, bleeding after menopause, severe pelvic pain, or other significant changes should be medically evaluated rather than assumed to be part of a normal menopausal transition.
Discontinue use and consult your healthcare provider if unexpected or worsening symptoms develop.
 
Quality & Safety
Manufactured by Evergreen Herbs in GMP-certified facilities. Ingredients are tested for identity, purity, and safety to ensure high quality standards.
For best results and safety, Er Xian Tang should be selected according to the individual's TCM pattern and used under the guidance of a licensed or appropriately qualified healthcare practitioner trained in Chinese herbal medicine.
 
FDA Disclaimer
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.