2. May Boost Heart Health
Guavas may help boost heart health in a number of ways.
Many scientists believe that the high levels of antioxidants and vitamins in guava leaves may help protect your heart from damage by free radicals (6Trusted Source).
The higher levels of potassium and soluble fiber in guavas are also thought to contribute to improved heart health.
Additionally, guava leaf extract has been linked to lower blood pressure, a decrease in “bad” LDL cholesterol, and a rise in “good” HDL cholesterol (7Trusted Source).
Since high blood pressure and high levels of LDL cholesterol are linked to higher risks of heart disease and stroke, taking guava leaf extract could lead to valuable benefits.
What’s more, the fruit may have benefits for heart health as well.
A 12-week study in 120 people found that eating ripe guava before meals caused an overall decrease in blood pressure by 8–9 points, a reduction in total cholesterol by 9.9%, and an increase in “good” HDL cholesterol by 8% (8Trusted Source).
This same effect has been seen in several other studies (9, 10Trusted Source).
Summary
Guava fruit or leaf extract may have a
positive effect on heart health by lowering blood pressure, decreasing bad
cholesterol, and increasing good cholesterol.
3. May Help Relieve Painful Symptoms of Menstruation
Many women experience dysmenorrhea — painful symptoms of menstruation, such as stomach cramps.
However, there is some evidence that guava leaf extract may reduce the pain intensity of menstrual cramps.
A study in 197 women who experienced painful symptoms found that taking 6 mg of guava leaf extract daily resulted in reduced pain intensity. It appeared to be even more powerful than some painkillers (11Trusted Source).
Guava leaf extract is also thought to help relieve uterine cramps (12Trusted Source).
Summary
Taking guava leaf extract daily may help
decrease symptoms of painful menstruation, including cramps.
4. May Benefit Your Digestive System
Guavas are an excellent source of dietary fiber.
Therefore, eating more guavas may aid healthy bowel movements and prevent constipation.
Just one guava can provide 12% of your recommended daily intake of fiber (13).
Additionally, guava leaf extract may benefit digestive health. Studies suggest that it may reduce the intensity and duration of diarrhea (14Trusted Source, 15Trusted Source, 16Trusted Source).
Several studies have also shown that guava leaf extract is antimicrobial. This means that it can neutralize harmful microbes in your gut that can cause diarrhea (14Trusted Source, 17Trusted Source).
Summary
Consuming guavas or guava leaf extract may
prevent or reduce diarrhea and constipation.
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