Educational information, not medical advice.See how evidence is graded

June plum

Traditionally used for: Vitamin C intake; Everyday fibre; Traditional leaf tea for colds and upset stomach.

Home

What is June plum? June plum is the fruit of a tropical tree, Spondias dulcis. It is eaten green and crisp, or ripe and sweet. In Trinidad and Tobago it is called pomme cythère, and in Barbados golden apple. It is a food first and a remedy second. Cooks turn it into juice, chow, jam and pickles. In several islands the leaves were also brewed as a bush tea. Here is the honest verdict on the evidence. June plum is a good source of vitamin C and fibre, which is real nutrition. Beyond that, human proof for health claims is very thin. Long use in Caribbean homes is not proof that it works, and it is not proof that it is safe. How does June plum work? Most of the health claims rest on lab work, not on people. The fruit supplies vitamin C. Your body needs vitamin C for skin, blood vessels and wound repair. That is plain nutrition, not a herbal claim. In test tubes, fruit and leaf extracts mop up free radicals. Free radicals are unstable particles that can damage cells. Whether eating the fruit changes this inside your body is not known. In rodents, leaf and fruit extracts have lowered blood sugar and eased swelling. The doses used were far larger than a normal serving. No good human trials back these results. In laboratory tests, leaf extracts slow the growth of some bacteria. Whether that helps a real infection has never been shown. The fibre in the fruit adds bulk to stool, as fibre from any fruit does. That part is ordinary and expected. What forms does June plum come in? Most people meet June plum as food, not as a supplement. Common forms: - Fresh green fruit, sliced with salt and pepper. - Fresh ripe fruit, eaten out of hand. - Juice or punch, often heavily sweetened. - Chow, a Trinidadian dish of cut fruit with salt, pepper and herbs. - Jam, jelly, chutney and pickles. - Dried or candied slices. - Leaf tea, brewed at home in some islands. - Powder and capsules, sold online as a supplement. Supplement products are not well standardised. Two bottles can hold very different amounts. Labels often fail to say which part of the plant was used. Leaf and fruit are not the same, and the leaf has far less safety data. Where it comes from: June plum came from the South Pacific and Melanesia. Ships carried it to the Caribbean in the late 1700s and 1800s. It settled into yards, markets and kitchens across the islands. In Caribbean home tradition the green fruit was eaten as a sour, cooling snack. The juice was given in hot weather and while recovering from fever. Bush tea from the leaves was used for colds, sore throat and upset stomach. Healers in some islands also laid crushed leaves on skin sores. These customs passed down through families and market sellers. They were recorded by ethnobotanists, not tested in trials.

Helps

What does June plum help with? Vitamin C intake: This is the clearest benefit. The fruit is a solid source of vitamin C, like many tropical fruits. Vitamin C prevents and treats scurvy, and eating fruit that contains it helps you meet your daily need. Everyday fibre and digestion: Eaten whole, the fruit adds fibre to your diet. Fibre adds bulk to stool and can help keep bowels regular. This is a normal food effect, not a special property of June plum. Colds and sore throat (traditional leaf tea): Caribbean households brewed the leaves as a tea for colds and sore throat. No human trials test this. A warm drink can soothe a sore throat, but that is the heat and fluid, not a proven plant effect. Upset stomach (traditional leaf tea): Leaf tea was also taken for stomach upset and loose bowels. The leaf holds tannins, which bind proteins in test tubes. Whether this settles a human stomach has not been studied. Skin and wound healing support: Crushed leaves were applied to sores in some islands. Lab tests show leaf extracts slow a few bacteria. That does not mean it works on a real wound, and a dirty or spreading wound needs medical care. Blood sugar (claimed, unproven in people): Rodent studies report lower blood sugar after large extract doses. There are no reliable human trials. Do not use June plum in place of diabetes medicine, and sweetened June plum juice can raise blood sugar.

June plum

Quick Facts

  • What it is: June plum is a tropical Caribbean fruit, Spondias dulcis, eaten fresh or as juice and used in home tradition as a leaf tea.
  • Main uses: Vitamin C intake, Everyday fibre, Traditional leaf tea for colds and upset stomach
  • Active ingredients: Vitamin C, Dietary fibre and pectin, Carotenoids, Citric and malic acid, Polyphenols and tannins
  • Forms: Fresh fruit, Juice and punch, Chow, jam and pickle, Dried slices, Leaf tea, Powder and capsules
  • Time to effect: Counts as nutrition the day you eat it; medicinal effects are unproven.
  • Side effects: Mostly mild: heartburn, loose stools and acid on the teeth; the spiky seed core can choke a child.
  • Pregnancy & breastfeeding: Not studied in pregnancy; avoid unless your clinician advises otherwise.

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

What is June plum?

June plum is the fruit of a tropical tree, Spondias dulcis. It is eaten green and crisp, or ripe and sweet. In Trinidad and Tobago it is called pomme cythère, and in Barbados golden apple.

It is a food first and a remedy second. Cooks turn it into juice, chow, jam and pickles. In several islands the leaves were also brewed as a bush tea.

Here is the honest verdict on the evidence. June plum is a good source of vitamin C and fibre, which is real nutrition. Beyond that, human proof for health claims is very thin.

Long use in Caribbean homes is not proof that it works, and it is not proof that it is safe.

How does June plum work?

Most of the health claims rest on lab work, not on people.

The fruit supplies vitamin C. Your body needs vitamin C for skin, blood vessels and wound repair. That is plain nutrition, not a herbal claim.

In test tubes, fruit and leaf extracts mop up free radicals. Free radicals are unstable particles that can damage cells. Whether eating the fruit changes this inside your body is not known.

In rodents, leaf and fruit extracts have lowered blood sugar and eased swelling. The doses used were far larger than a normal serving. No good human trials back these results.

In laboratory tests, leaf extracts slow the growth of some bacteria. Whether that helps a real infection has never been shown.

The fibre in the fruit adds bulk to stool, as fibre from any fruit does. That part is ordinary and expected.

What forms does June plum come in?

Most people meet June plum as food, not as a supplement.

Common forms:

- Fresh green fruit, sliced with salt and pepper.

- Fresh ripe fruit, eaten out of hand.

- Juice or punch, often heavily sweetened.

- Chow, a Trinidadian dish of cut fruit with salt, pepper and herbs.

- Jam, jelly, chutney and pickles.

- Dried or candied slices.

- Leaf tea, brewed at home in some islands.

- Powder and capsules, sold online as a supplement.

Supplement products are not well standardised. Two bottles can hold very different amounts.

Labels often fail to say which part of the plant was used. Leaf and fruit are not the same, and the leaf has far less safety data.

Where it comes from:

June plum came from the South Pacific and Melanesia. Ships carried it to the Caribbean in the late 1700s and 1800s. It settled into yards, markets and kitchens across the islands.

In Caribbean home tradition the green fruit was eaten as a sour, cooling snack. The juice was given in hot weather and while recovering from fever.

Bush tea from the leaves was used for colds, sore throat and upset stomach. Healers in some islands also laid crushed leaves on skin sores.

These customs passed down through families and market sellers. They were recorded by ethnobotanists, not tested in trials.

Who should avoid June plum?

  • Do not eat the seed or chew the spiky core inside the fruit, and cut it away before giving fruit to a child.
  • Do not eat it if you are allergic to mango, cashew or pistachio, until an allergy doctor says it is safe, because they are all in the same plant family.
  • Do not drink June plum leaf tea if you are pregnant or breastfeeding, as there is no safety data for it.
  • Do not give leaf tea or supplements to babies or young children.
  • Do not use June plum in place of medicine for diabetes (high blood sugar), an infection, or any diagnosed illness.
  • Avoid large amounts of sweetened June plum juice or punch if you have diabetes.
  • Avoid large amounts if you have kidney disease and have been told to limit potassium.
  • Avoid the sour green fruit if you have reflux or a peptic ulcer (a sore in the stomach lining) and it makes you worse.

When should you see a doctor?

Call emergency services if your lips, tongue or throat swell, you come out in hives, or you struggle to breathe after eating it. That can be a severe allergic reaction.

Get urgent help if a child chokes on the seed or core, or coughs and wheezes after eating the fruit.

See your doctor if you have belly pain, vomiting or loose stools that will not settle. Also see a doctor if a sore throat, fever or wound is getting worse rather than better. Stop leaf tea and ask your doctor before carrying on if you take prescription medicine.

Is June plum legal where you live?

June plum is an ordinary food. It is sold freely as fresh fruit, juice and preserves in the Caribbean, the United States, the United Kingdom and the European Union. Capsules and powders are sold as food supplements and are not approved to treat any disease.

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

Remedies related to June plum

The evidence behind this remedy, in one page

What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.

One email with the summary. We'll also send a short weekly evidence update — unsubscribe any time.