Guava leaves come from the Guava tree, a tropical plant widely grown in the Caribbean, Central America, South America, and parts of Asia. Guava leaves have been used traditionally as teas, rinses, and herbal remedies. Research suggests they contain beneficial plant compounds, but many traditional claims still need stronger human studies.

Health benefits of guava leaves

• Supports digestion:
  Guava leaf tea is traditionally used for diarrhea, stomach upset, and digestive discomfort. Some studies suggest guava leaf extracts may reduce intestinal spasms and have antimicrobial effects against some diarrhea-causing organisms.
• Help regulate blood sugar:
  Some human studies suggest guava leaf tea may help reduce blood sugar spikes after meals by slowing carbohydrate absorption. It is not a replacement for diabetes medication, but it may have supportive effects.
• Rich in antioxidants:
  Guava leaves contain flavonoids, tannins, and other polyphenols that help protect cells from oxidative stress.
• Reduces inflammation:
  Plant compounds in guava leaves show anti-inflammatory activity in laboratory studies, which may help explain their traditional use for swelling and discomfort.
• Supports oral health:
  Guava leaf extracts have antibacterial properties and are traditionally used for mouth rinses to help with gum irritation, bad breath, and plaque control.
• Benefits skin health:
  Because of their antimicrobial and antioxidant properties, guava leaves are sometimes used in traditional skin preparations for acne and minor skin problems.
• Supports heart health:
  Early research suggests guava leaf compounds may help with cholesterol levels and blood pressure, but more studies are needed.

How people commonly use guava leaves

• Guava leaf tea: Fresh or dried leaves are steeped in hot water.
• Mouth rinse: Cooled leaf tea may be used as a traditional oral rinse.