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Raspberry leaf

Traditionally used for: Mild diarrhoea; Gargle for sore throat or gums.

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What is Raspberry leaf? Raspberry leaf is the dried leaf of the red raspberry plant, Rubus idaeus. It comes from the same plant as the fruit, but the leaf is used on its own. Most people drink it as a tea or take it as a tablet. In European folk practice it was known as a women's herb. Midwives gave it in the last weeks of pregnancy to "tone" the womb. It was also given for period pain, loose stools, and sore mouths and throats. Long use in a tradition is not proof that a remedy works, and it is not proof that it is safe. This page says so once, here, and will not repeat it in every section. The honest verdict on the evidence: it is thin. Two small studies in pregnant women found no clear harm and no strong benefit. For every other traditional use, good human trials are missing. How does Raspberry leaf work? Nobody has shown clearly how raspberry leaf acts in the human body. The old idea was that it makes the womb muscle work in a more even, organised way. In laboratory work on animal womb tissue, extracts have given mixed results. Some strips of tissue relaxed, others tightened, and the effect changed with the dose and the animal. That mixed picture is the main reason no one can promise what it will do in a real labour. A result in a dish is not a result in a person. The leaf is also rich in tannins. Tannins are astringent, which means they make tissue draw together and feel tighter. In test-tube work this binds proteins and slows fluid loss from the gut lining. That may be why folk use favoured it for loose stools and mouth rinses, but this has not been tested properly in people. Flavonoids in the leaf show antioxidant activity in test tubes. Whether that matters once you drink a cup of tea is not known. What forms does Raspberry leaf come in? Raspberry leaf is sold in several everyday forms: - Loose dried leaf, brewed as a tea. - Teabags, often labelled as a pregnancy or women's tea. - Tablets and capsules of powdered leaf or dry extract. - Liquid tinctures in alcohol or glycerine. - Blended teas, mixed with nettle, lemon balm or ginger. Tea and tablets are the forms used in the published pregnancy studies. Tinctures have not been studied for this use. The leaf is not the same thing as raspberry fruit, raspberry juice or raspberry ketone. Those are different products with different content. Check the label says leaf. Where it comes from: Raspberry leaf has a long and well recorded place in European folk medicine. Written herbals mention it from at least the sixteenth century. Its best known role was in late pregnancy, where midwives used it to prepare for birth. It is known as malina in Serbian and zmeur in Romanian, and the leaf tea appears in household use across much of Europe. Country healers also used it for heavy or painful periods, for diarrhoea, and as a gargle for sore gums and throats. It passed into modern midwifery culture in Britain, Australia and North America in the twentieth century. It is still handed down by word of mouth between pregnant women today. That popularity is a fact about culture, not a finding about the body.

Helps

What does Raspberry leaf help with? Preparing for labour in late pregnancy: This is the main traditional use and the only one with human trials. Midwives gave the tea from about the last two months to make labour shorter and easier. Two small Australian studies looked at this. Neither found that it shortened the first stage of labour. One found a small drop in forceps births, but the study was too small to settle the point. So the fair summary is: no clear benefit shown, and no clear harm seen in those women. It should not be used to start labour or to replace care from a midwife or doctor. Period pain and heavy periods: Tradition used the tea for cramping and heavy bleeding. The idea was the same supposed effect on womb muscle. There are no good human trials for this. The lab work on womb tissue is mixed and comes from animals, not women. If your periods are very heavy or very painful, that needs a medical check. Heavy bleeding can have causes that a tea will not touch. Mild diarrhoea: Astringent tannin teas have been used for loose stools across many folk traditions. Raspberry leaf is one of them. In test tubes, tannins bind proteins and tighten tissue. No trial has tested raspberry leaf tea for diarrhoea in people. Fluids and salts matter far more than any herb here. Diarrhoea with blood, fever, or lasting more than a few days needs a doctor. Sore throat or sore gums, as a gargle: Cooled tea was used as a mouthwash and gargle in European folk practice. The dry, puckering feel of tannins is the reason it was chosen. No human trial supports this use. Any relief is likely to be short and mild. Do not swallow large amounts of strong brew just to treat a throat. A sore throat with high fever, drooling or trouble breathing is an emergency.

Raspberry leaf

Quick Facts

  • What it is: The dried leaf of the red raspberry plant, drunk as a tea or taken as a tablet, with a long European folk history in late pregnancy.
  • Main uses: Preparing for labour in late pregnancy, Period pain, Mild diarrhoea, Gargle for sore throat or gums
  • Active ingredients: Ellagitannins (including sanguiin H-6), Ellagic acid, Quercetin and kaempferol flavonoids, Small amounts of vitamin C and minerals
  • Forms: Loose leaf tea, Teabags, Tablets and capsules, Tincture
  • Time to effect: Weeks in the pregnancy studies; often nothing at all
  • Side effects: Usually none; sometimes nausea, loose stools or mild cramping.
  • Pregnancy & breastfeeding: Avoid unless your clinician advises otherwise.

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

What is Raspberry leaf?

Raspberry leaf is the dried leaf of the red raspberry plant, Rubus idaeus. It comes from the same plant as the fruit, but the leaf is used on its own. Most people drink it as a tea or take it as a tablet.

In European folk practice it was known as a women's herb. Midwives gave it in the last weeks of pregnancy to "tone" the womb. It was also given for period pain, loose stools, and sore mouths and throats.

Long use in a tradition is not proof that a remedy works, and it is not proof that it is safe. This page says so once, here, and will not repeat it in every section.

The honest verdict on the evidence: it is thin. Two small studies in pregnant women found no clear harm and no strong benefit. For every other traditional use, good human trials are missing.

How does Raspberry leaf work?

Nobody has shown clearly how raspberry leaf acts in the human body.

The old idea was that it makes the womb muscle work in a more even, organised way. In laboratory work on animal womb tissue, extracts have given mixed results. Some strips of tissue relaxed, others tightened, and the effect changed with the dose and the animal.

That mixed picture is the main reason no one can promise what it will do in a real labour. A result in a dish is not a result in a person.

The leaf is also rich in tannins. Tannins are astringent, which means they make tissue draw together and feel tighter. In test-tube work this binds proteins and slows fluid loss from the gut lining.

That may be why folk use favoured it for loose stools and mouth rinses, but this has not been tested properly in people.

Flavonoids in the leaf show antioxidant activity in test tubes. Whether that matters once you drink a cup of tea is not known.

What forms does Raspberry leaf come in?

Raspberry leaf is sold in several everyday forms:

- Loose dried leaf, brewed as a tea. - Teabags, often labelled as a pregnancy or women's tea. - Tablets and capsules of powdered leaf or dry extract.

- Liquid tinctures in alcohol or glycerine. - Blended teas, mixed with nettle, lemon balm or ginger.

Tea and tablets are the forms used in the published pregnancy studies. Tinctures have not been studied for this use.

The leaf is not the same thing as raspberry fruit, raspberry juice or raspberry ketone. Those are different products with different content. Check the label says leaf.

Where it comes from:

Raspberry leaf has a long and well recorded place in European folk medicine. Written herbals mention it from at least the sixteenth century. Its best known role was in late pregnancy, where midwives used it to prepare for birth.

It is known as malina in Serbian and zmeur in Romanian, and the leaf tea appears in household use across much of Europe. Country healers also used it for heavy or painful periods, for diarrhoea, and as a gargle for sore gums and throats.

It passed into modern midwifery culture in Britain, Australia and North America in the twentieth century. It is still handed down by word of mouth between pregnant women today. That popularity is a fact about culture, not a finding about the body.

Who should avoid Raspberry leaf?

  • Do not take raspberry leaf in pregnancy without first asking your midwife or doctor.
  • Do not use it in the first or second trimester; traditional use was limited to the last weeks.
  • Never use it to try to start labour or to speed up a labour that has begun.
  • Do not use it if you have had a very fast birth before (precipitate labour).
  • Do not use it if you are booked for a planned caesarean section.
  • Do not use it if you have had a caesarean section or any surgery on your womb, unless your doctor agrees.
  • Do not use it if you are carrying twins or more, or if your baby is breech.
  • Do not use it if you have had any bleeding in this pregnancy, or if your waters have broken.
  • Do not use it if you have high blood pressure in pregnancy or pre-eclampsia (a serious pregnancy condition with high blood pressure).
  • Do not use it if you have a history of early labour.
  • Do not start it if you take medicine for diabetes, until you have spoken to your doctor about the risk of low blood sugar.
  • Avoid regular heavy use if you are low in iron or have anaemia (a shortage of healthy red blood cells).
  • Do not give it to a child as a medicine without a doctor's advice.
  • Do not use it if you are allergic to raspberry or other plants in the rose family.

When should you see a doctor?

Stop and speak to a midwife, doctor or pharmacist if anything changes after you start.

Get urgent medical help in pregnancy if you have:

- Regular tightenings or cramps before 37 weeks - Any vaginal bleeding - A sudden gush or leak of fluid - A drop in your baby's movements - Severe headache, blurred vision or swelling of the face and hands

Outside pregnancy, see a doctor if diarrhoea lasts more than a few days, has blood in it, or comes with fever. Get emergency help for swelling of the lips, face or throat, a widespread rash, or trouble breathing.

Is Raspberry leaf legal where you live?

In the UK, the EU and the United States, raspberry leaf is sold as an ordinary herbal tea and food supplement. It is not a licensed medicine and is not approved to treat or prevent any condition. In the US it falls under dietary supplement rules, so products are not checked for strength before sale.

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

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