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Angelica gigas

Traditionally used for: Menopausal symptoms; Memory and thinking; Prostate-related urinary symptoms.

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What is Angelica gigas? Angelica gigas is a tall purple-flowered herb from Korea. The dried root is the part used. It is sold as capsules, powder, tea and tinctures. It is often called Korean angelica, or cham-danggui. It is not the same plant as Chinese angelica (Angelica sinensis). It is also not European angelica (Angelica archangelica), though shops sometimes mix up the names. Tradition used the root as a "blood tonic". Modern sellers push it for menopause, memory, mood and prostate health. Here is the honest verdict. Human evidence is thin, and most of it comes from small studies of mixed herb products. Lab and animal work looks busy, but that is not the same as proof in people. Long use in a tradition is not proof that a herb works. It is also not proof that it is safe. Both points matter for this root, which is rich in coumarins, a group of plant compounds that can affect blood clotting. How does Angelica gigas work? Nobody has shown clearly how Angelica gigas acts in the human body. What follows comes from lab and animal work. The root is rich in pyranocoumarins, mainly decursin and decursinol angelate. In cell studies, these appear to slow the growth of some cancer cell lines. That has not been shown to help people with cancer. In animal studies, extracts of the root appear to calm inflammation and to protect nerve cells from damage. In mice, decursin has been reported to improve memory tasks. Mouse memory is not human memory. In test-tube work, decursinol appears to block an enzyme linked to breaking down acetylcholine, a brain signalling chemical. Some drugs for dementia work on the same enzyme. Whether the herb does anything like this at normal doses in people is unknown. Coumarins from related plants can affect how blood clots and how the liver handles medicines. That is the main reason for caution here, even without firm human data. What forms does Angelica gigas come in? You will meet it in a few forms: - Dried root slices, simmered into a decoction (a strong boiled brew). - Powdered root in capsules or tablets. - Extracts standardised to a set amount of decursin. - Liquid tinctures in alcohol. - Blended products for menopause, prostate or "brain health", where it sits with other herbs. Blends are the most common form sold online. They make it hard to know what you are reacting to. Testing of herb supplements also shows that Angelica species are sometimes swapped for one another. Where it comes from: The root held a long place in Korean herbal medicine, where it was known as cham-danggui. Healers grouped it with "blood-moving" herbs. It appears in Korean medical texts from the 1600s onward, including the Dongui Bogam. Traditional practitioners gave it for period pain, poor recovery after childbirth, weakness and pale skin. It was also used in mixtures for aching joints and poor digestion. It was almost always combined with other herbs and prepared by a trained practitioner. In Korea the root is also cooked in foods and teas. Interest in decursin from the 1990s onward pushed it into the supplement market worldwide.

Helps

What does Angelica gigas help with? Menopausal symptoms such as hot flushes: Tradition used Angelica roots for women's complaints, including the change of life. Modern blends copy that idea. Human evidence is weak. The few trials used mixed herb products, so the effect cannot be pinned on this root. If you have hot flushes, there are treatments with far better proof. Discuss them with your doctor. Memory and thinking: This is a marketing claim built on animal work. In mice, decursin has improved performance in memory tasks. A small number of short human studies exist, mostly in older adults and mostly on blends. They are too small and too brief to show a real benefit. Do not use this root in place of care for memory loss. Period pain: Traditional Korean practice used the root in formulas for painful or irregular periods. That use is well recorded. There are no good human trials of Angelica gigas alone for period pain. Known options, such as simple pain relievers, have clear evidence behind them. Tiredness and poor recovery (traditional "blood tonic" use): Older texts described the root as building and moving blood. In practice it was given after childbirth or illness. This does not mean it treats anaemia (low iron or low red blood cells). Anaemia needs a blood test and the right treatment. Tiredness that drags on deserves a doctor's visit, not a herb. Urinary symptoms linked to an enlarged prostate: Some Korean products pair this root with other herbs for prostate symptoms. A few small trials of such blends report modest changes in symptom scores. The trials are small, short and often industry-run. The root alone has not been shown to help. Urinary symptoms can also signal other problems, so get them checked. Low mood: Animal studies report calming and mood-related effects from root extracts. That is the whole basis of the claim. There is no useful human trial evidence for low mood. Depression is treatable, and delaying care has a real cost.

Angelica gigas

Quick Facts

  • What it is: Angelica gigas is a Korean herb whose dried root is sold as a supplement, mainly for menopause, memory and prostate claims.
  • Main uses: Menopausal symptoms, Memory and thinking, Period pain, Prostate-related urinary symptoms
  • Active ingredients: Decursin, Decursinol angelate, Decursinol, Nodakenin, Essential oil
  • Forms: Dried root slices, Capsules and tablets, Standardised extracts, Tinctures, Tea
  • Time to effect: Weeks, if anything; it may do nothing.
  • Side effects: Usually mild stomach upset; the real concerns are bleeding and sun sensitivity.
  • Pregnancy & breastfeeding: Avoid unless your clinician advises otherwise.

Educational information, not medical advice — ask your doctor or midwife.

What is Angelica gigas?

Angelica gigas is a tall purple-flowered herb from Korea. The dried root is the part used. It is sold as capsules, powder, tea and tinctures.

It is often called Korean angelica, or cham-danggui. It is not the same plant as Chinese angelica (Angelica sinensis). It is also not European angelica (Angelica archangelica), though shops sometimes mix up the names.

Tradition used the root as a "blood tonic". Modern sellers push it for menopause, memory, mood and prostate health.

Here is the honest verdict. Human evidence is thin, and most of it comes from small studies of mixed herb products. Lab and animal work looks busy, but that is not the same as proof in people.

Long use in a tradition is not proof that a herb works. It is also not proof that it is safe. Both points matter for this root, which is rich in coumarins, a group of plant compounds that can affect blood clotting.

How does Angelica gigas work?

Nobody has shown clearly how Angelica gigas acts in the human body. What follows comes from lab and animal work.

The root is rich in pyranocoumarins, mainly decursin and decursinol angelate. In cell studies, these appear to slow the growth of some cancer cell lines. That has not been shown to help people with cancer.

In animal studies, extracts of the root appear to calm inflammation and to protect nerve cells from damage. In mice, decursin has been reported to improve memory tasks. Mouse memory is not human memory.

In test-tube work, decursinol appears to block an enzyme linked to breaking down acetylcholine, a brain signalling chemical. Some drugs for dementia work on the same enzyme. Whether the herb does anything like this at normal doses in people is unknown.

Coumarins from related plants can affect how blood clots and how the liver handles medicines. That is the main reason for caution here, even without firm human data.

What forms does Angelica gigas come in?

You will meet it in a few forms:

- Dried root slices, simmered into a decoction (a strong boiled brew). - Powdered root in capsules or tablets. - Extracts standardised to a set amount of decursin.

- Liquid tinctures in alcohol. - Blended products for menopause, prostate or "brain health", where it sits with other herbs.

Blends are the most common form sold online. They make it hard to know what you are reacting to. Testing of herb supplements also shows that Angelica species are sometimes swapped for one another.

Where it comes from:

The root held a long place in Korean herbal medicine, where it was known as cham-danggui. Healers grouped it with "blood-moving" herbs. It appears in Korean medical texts from the 1600s onward, including the Dongui Bogam.

Traditional practitioners gave it for period pain, poor recovery after childbirth, weakness and pale skin. It was also used in mixtures for aching joints and poor digestion. It was almost always combined with other herbs and prepared by a trained practitioner.

In Korea the root is also cooked in foods and teas. Interest in decursin from the 1990s onward pushed it into the supplement market worldwide.

Who should avoid Angelica gigas?

  • Do not use if you are pregnant or trying to get pregnant.
  • Do not use if you are breastfeeding.
  • Do not use if you take warfarin or any other blood thinner (anticoagulant).
  • Do not use if you take aspirin, clopidogrel or another blood thinner (antiplatelet).
  • Do not use if you have a bleeding disorder, such as haemophilia.
  • Avoid it for at least two weeks before any planned surgery or dental surgery.
  • Do not give it to children.
  • Avoid it if you have a hormone-sensitive cancer of the breast, womb, ovary or prostate, unless your cancer doctor agrees.
  • Avoid it if you have liver disease, or take a medicine known to be hepatotoxic (harmful to the liver), until a doctor checks it.
  • Avoid it if you are having light treatment for a skin condition, or take a drug that makes your skin burn easily.
  • Do not use it if you are allergic to carrot-family plants, such as celery, carrot, parsley or fennel.

When should you see a doctor?

Stop taking it and see a doctor if you notice any of these:

- Bruising with no cause, bleeding gums or frequent nosebleeds. - Blood in your urine, or black or bloody stools. - Yellow skin or yellow eyes, dark urine, or pain in the upper right belly. - A spreading rash, blisters, or a burn after only brief sun. - Swelling of the face, lips or throat, or trouble breathing. That needs emergency care now.

Also see a doctor if the symptom you are treating gets worse, or does not shift within a couple of months.

Is Angelica gigas legal where you live?

In the United States it is sold as a dietary supplement, not approved as a medicine. In the UK and EU it is sold as a food supplement and is not a licensed herbal medicine. In South Korea the root is both a food ingredient and a registered herbal medicine.

Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.

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