Educational information, not medical advice — ask your doctor or midwife.
Chayote is a pale green, pear-shaped squash from the vine Sechium edule. People eat it as a vegetable, raw or cooked. It is a food first, not a medicine.
The plant grew first in Mexico and Central America. It is now farmed across Latin America, Asia and Africa. The fruit, young shoots, leaves and starchy root are all eaten.
In Latin American folk use, teas from the fruit or leaves were taken for blood pressure and for the kidneys. Good human evidence for those uses does not exist. Traditional use is not proof that a thing works, and it is not proof that it is safe.
The honest verdict: chayote is a safe, low-calorie vegetable with real nutrients. Its medicinal claims rest on lab and animal work, not on people.
What chayote does as a food is clear. It is about 90 percent water. It gives you fibre, vitamin C, folate and potassium for very few calories.
The medicinal claims are a different story. In rats, chayote extracts have lowered blood pressure and raised urine output. Whether that happens in people has not been shown.
In test tubes, flavonoids from the fruit and leaves mop up free radicals. Lab work also suggests extracts may slow some enzymes that break down starch. That is a long way from a change in your blood sugar.
So the fair summary is this. The nutrition is established. The drug-like effects are proposed, not proven.
Most people meet chayote as fresh fruit in the produce aisle.
Common forms include:
- Fresh fruit, boiled, steamed, roasted, stuffed or sliced raw into salads - Young shoots and leaves, cooked as greens - The starchy root, cooked like a potato - Dried leaf or fruit tea, sold in Latin American markets - Dried fruit powder and capsules, sold as supplements - Fresh juice or blended drinks
Supplement capsules and powders are not standardised. Two brands can differ a lot in what they contain. There is no agreed strength to compare them by.
Chayote was grown in Mesoamerica long before Europeans arrived. The Aztec and Maya peoples ate the fruit, shoots and root. The name comes from the Nahuatl word chayohtli.
Spanish ships carried it on to the Caribbean, Europe and Asia from the 1500s. It became a staple crop in many warm countries.
In Latin American home medicine, the leaf tea was taken for high blood pressure (hypertension). It was also drunk to pass more urine and to help with kidney stones. In Mexico and the Caribbean, poultices of the leaf were laid on swellings.
These records tell us what people did. They do not tell us whether it helped.
See a doctor if you get a rash, swollen lips or trouble breathing after eating chayote. These can signal an allergic reaction, and breathing trouble needs emergency care.
Get checked the same day if you vomit repeatedly or get bad stomach cramps after eating a bitter gourd.
Speak to your doctor if you feel dizzy, faint or unusually weak while drinking chayote tea with blood pressure medicine.
See your doctor about side or back pain, or blood in your urine. Kidney stones need proper assessment and chayote is not a treatment for them.
Chayote is an ordinary food and is sold freely in the United States, the United Kingdom, the European Union, Australia and most other countries. Capsules and dried teas are sold as food supplements. No regulator has approved chayote to treat or prevent any disease.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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