You Gui Wan

What is You Gui Wan?

You Gui Wan is a classical Chinese herbal formula. Its English name is Restore the Right [Kidney] Pill. It blends about ten herbs into pills.

In traditional Chinese medicine (TCM) it is given for "kidney yang deficiency". That means a pattern of feeling cold and tired. The low back and knees feel weak.

In plain terms, practitioners reach for it when someone feels chilled all the time. Other signs are waking at night to pass urine, a sore weak low back, or low sexual energy.

It is meant as a warming, building formula, taken over weeks. It is not a quick fix.

Here is the honest verdict on the evidence. You Gui Wan has a long, respected place in one tradition. But good human trials are scarce, so we cannot say what it does in modern medical terms.

Long traditional use is not proof that a remedy works. That applies to everything on this page, and we will not repeat it in each section.

One point matters more than any benefit claim. This formula normally holds prepared aconite (Fu Zi). That herb can affect heart rhythm, and it can be poisonous if poorly processed or overdosed.

How does You Gui Wan work?

Nobody has shown clearly how You Gui Wan works in the body. Anything below is a theory, not a proven mechanism.

In TCM theory, the formula "warms and tonifies kidney yang". Roughly, it is thought to rebuild the body's deep warmth and drive.

Prepared aconite and cinnamon bark give the warming action. Prepared rehmannia, cornus and deer antler gelatin are said to give the substance that the warmth acts on.

Lab and animal studies have looked at bone cells, sex hormones, thyroid signals and the adrenal stress system. These are early findings in dishes and in rodents. They do not tell you what happens when a person swallows the pills.

What forms does You Gui Wan come in?

Common forms include:

Honey pills, the classical form, which are small dark balls.

Concentrated "water-honey" pills, tablets, and granules you stir into hot water.

Loose raw herbs, which a practitioner boils into a decoction (a strong herbal tea).

Product quality varies a lot between makers. The formula holds aconite, so buy only from a supplier that tests finished batches. It is best to buy through a registered practitioner.

Where it comes from:

You Gui Wan comes from the book Jing Yue Quan Shu (The Complete Works of Jingyue). The doctor Zhang Jiebin wrote it. It came out in 1624, during China's Ming dynasty.

Zhang built it from an older formula, Liu Wei Di Huang Wan. He took out the cooling, draining herbs and added warming ones.

Its partner formula is Zuo Gui Wan ("Restore the Left"). That one treats the opposite pattern.

It has been a standard prescription in Chinese medicine ever since. It also appears in modern Chinese pharmacopoeia listings (official herb lists).

What does You Gui Wan help with?

• Feeling cold all the time, with cold hands and feet: This is the core traditional use and the picture practitioners look for before prescribing. There are no good human trials measuring whether You Gui Wan changes how warm people feel. Persistent cold intolerance can also mean an underactive thyroid or anaemia (low iron in the blood), which need a blood test, not a herb.
• Sore, weak lower back and knees: Classical texts list low back and knee weakness as a lead sign for this formula. Human evidence is limited to small, mostly Chinese-language reports we cannot verify well. New or one-sided back pain, or pain with numbness, needs a medical assessment first.
• Long-term tiredness with low drive: Traditionally used for deep, cold-type exhaustion rather than ordinary tiredness. No reliable human trial shows it improves energy. Lasting fatigue deserves a check for thyroid problems, anaemia, diabetes, sleep apnoea (breathing pauses in sleep) and depression.
• Low libido and erectile problems: This is one of the formula's best-known traditional indications. Animal studies have looked at testosterone and sperm measures, but animal results do not carry over to people. Erectile problems can be an early warning of heart or blood vessel disease, so see a doctor before self-treating.
• Waking often at night to urinate: Traditionally described as "kidney yang failing to hold" and treated with this formula. We found no trustworthy human trial. In men this symptom often comes from an enlarged prostate; in anyone it can signal diabetes or heart failure, so get it checked.
• Early-morning loose stools: Classical use covers "cockcrow diarrhoea" — loose stools just before or at dawn. Evidence is traditional only. Blood in the stool, weight loss, or a lasting change in bowel habit needs prompt medical review.
• Bone thinning (osteoporosis) alongside conventional care: Laboratory and rodent studies have looked at bone-building cells, and this is the most-studied modern use. We could not identify a large, well-run human trial we are confident citing. Treat it as unproven and do not use it in place of prescribed bone medicine, calcium or vitamin D.
• Trouble conceiving, in TCM "cold" patterns: Traditional use only, and it is prescribed before conception, not during pregnancy. There is no human trial evidence that it improves fertility. Stop it as soon as you might be pregnant, because aconite is not safe in pregnancy.
• Menopause symptoms with chilliness rather than hot flushes: Practitioners choose it for the cold, tired, aching presentation rather than the hot, flushing one. Human evidence is thin and low quality. It is not a substitute for hormone therapy where that is appropriate.

What are the side effects of You Gui Wan?

• Dry mouth and thirst
• Feeling overheated, flushed or restless
• Mouth ulcers or sore gums
• Nausea, bloating or loose stools
• Trouble sleeping if taken late
• Headache
• Rash or itching from an allergic reaction
• Tingling or numbness of the lips, tongue or fingers: a sign of aconite toxicity, stop at once
• A racing, slow or irregular heartbeat: stop and get emergency care

Good to know:

Most reported problems are mild: dry mouth, warmth and digestive upset, usually from too high a dose for the person.

The serious risk is different in kind. Aconite poisoning from badly processed or overdosed herbs has caused dangerous heart rhythm problems, seizures (fits) and deaths, and it can start within an hour of a dose. Numbness or tingling around the mouth is the classic first sign and means you should stop and get help immediately.

Options to discuss with a clinician

For every reason people reach for this formula, there are routes that have been studied far more carefully — and each one belongs in a conversation with a doctor, pharmacist or qualified herbalist rather than being picked off a shelf.

- **Bone thinning (osteoporosis):** Vitamin D and Calcium Combined, Vitamin D on its own, Collagen Peptides, Boron (as calcium fructoborate) and weight-bearing Exercise all have trial evidence worth raising at a bone-health review, alongside any prescribed treatment. - **Long-term tiredness and low drive:** Ashwagandha has been studied here, but persistent fatigue deserves a diagnosis first — thyroid problems, anaemia (low iron in the blood) and sleep disorders all look similar. Ask a clinician what should be ruled out. - **Menopause symptoms:** Soy Isoflavones, Black Cohosh and Red Clover are commonly discussed options; a GP or menopause specialist can say which, if any, suits your history. - **Low libido and erectile problems:** these can signal heart or hormone issues, so a medical check comes first. Maca Red is sometimes raised in that conversation. - **Loose stools, night waking to urinate, sore back:** Probiotics, Magnesium, Curcumin and Exercise appear in the research, but each symptom needs its cause identified by a clinician before anything is added.

Graded pages for the options named above:

• Boron (as calcium fructoborate) — evidence grade B, traditional tier T0
• Vitamin D and Calcium Combined — evidence grade A, traditional tier T0
• Collagen Peptides — evidence grade A, traditional tier T0
• Soy Isoflavones — evidence grade A, traditional tier T0
• Black Cohosh — evidence grade B, traditional tier T2
• Ashwagandha — evidence grade A, traditional tier T3
• Probiotics — evidence grade A, traditional tier T0
• Red Clover — evidence grade B, traditional tier T2
• Magnesium — evidence grade A, traditional tier T0
• Curcumin — evidence grade A, traditional tier T0
• Exercise — evidence grade A, traditional tier T3
• Maca Red — evidence grade C, traditional tier T2