Guava trees are tropical plants native to Central America.
Their fruits are oval in shape and have a light green or yellow exterior with edible seeds inside. Guava leaves are also used as a herbal tea, and the leaf extract is taken as a supplement.
Antioxidants, vitamin C, potassium, and fiber are abundant in guava fruits. They provide a lot of health benefits because of their high vitamin content.
Here are eight health benefits of guava fruits and leaves that have been scientifically proven.
1. It has the potential to help lower blood sugar levels.
Guava has been shown to help with blood sugar control in some studies
Guava leaf extract improved blood sugar levels, long-term blood sugar control, and insulin resistance in several test-tube and animal experiments (1Trusted Source, 2Trusted Source, 3Trusted Source, 4Trusted Source, 5Trusted Source).
This is great news for anyone who have diabetes or are at risk of developing it.
A few human studies have also yielded impressive effects.
Drinking guava leaf tea after a meal was found to reduce blood sugar levels in 19 participants in one research. It took up to two hours for the effects to wear off (3Trusted Source).
Another study indicated that drinking guava leaf tea decreased blood sugar levels after a meal by more than 10% in 20 patients with type 2 diabetes (3Trusted Source).
SUMMARY
People with diabetes or those at risk for diabetes may benefit from guava extract.
2. It has the potential to improve heart health.
Guavas can aid heart health in a variety of ways.
Many scientists believe that guava leaves' high quantities of antioxidants and vitamins can help protect your heart from free radical damage (6Trusted Source).
Guavas' greater potassium and soluble fiber content are thought to contribute to better heart health.
Guava leaf extract has also been associated to reduced blood pressure, a reduction in "bad" LDL cholesterol, and an increase in "good" HDL cholesterol (7Trusted Source).
Because high blood pressure and high LDL cholesterol levels are connected to an increased risk of heart disease and stroke, guava leaf extract could provide significant advantages.
Furthermore, the fruit may be beneficial to heart health.
A 12-week study of 120 adults discovered that eating ripe guava before meals lowers blood pressure by 8–9 points, lowers total cholesterol by 9.9%, and raises "good" HDL cholesterol by 8%. (8Trusted Source).
This impact has been shown in a number of additional investigations (9, 10Trusted Source)
SUMMARY
Guava leaf or fruit extract may improve heart health by lowering blood pressure, lowering bad cholesterol, and boosting good cholesterol.
3. May Assist in the Relief of Menstrual Pain
Many women suffer from dysmenorrhea, which is characterized by severe menstrual symptoms such as stomach pains.
Guava leaf extract, on the other hand, has been shown to lower the severity of menstruation cramps.
In a research of 197 women with painful symptoms, it was discovered that ingesting 6 mg of guava leaf extract daily lowered pain severity. It seems to be more potent than certain pain relievers (11Trusted Source).
Guava leaf extract may also aid in the relief of uterine pains (12Trusted Source).
SUMMARY
Taking guava leaf extract on a regular basis may help to alleviate the symptoms of uncomfortable menstruation, such as cramping.
4. It Might Help Your Digestive System
Guavas are a good source of fiber in the diet.
As a result, consuming more guavas may help to maintain regular bowel motions and avoid constipation.
One guava can give you with 12% of your needed daily fiber intake (13).
Guava leaf extract may also be beneficial to intestinal health. It has been shown in studies to lower the severity and length of diarrhea (14Trusted Source, 15Trusted Source, 16Trusted Source).
Guava leaf extract has also been demonstrated to be antibacterial in several investigations. This implies it can prevent diarrhea by neutralizing dangerous microorganisms in your intestines (14Trusted Source, 17Trusted Source)
SUMMARY
Guavas and guava leaf extract may help to prevent or alleviate diarrhea and constipation.
5. It's possible that it'll help you lose weight.
Guavas are a healthy weight-loss food.
They're a full, low-calorie snack with only 37 calories per fruit and 12 percent of your necessary daily fiber intake (13).
They're rich with vitamins and minerals, unlike some other low-calorie snacks, so you're not missing out on essential nutrients.
SUMMARY
Guavas are high in fiber and low in calories, so they may help you feel satisfied and lose weight.
6. It's possible that it'll help to prevent cancer.
The anticancer properties of guava leaf extract have been proven. Guava extract has been shown to slow or even stop the growth of cancer cells in test tubes and on animals (18Trusted Source, 19Trusted Source).
This is most likely due to the high quantities of strong antioxidants that protect cells from free radical damage, which is one of the primary causes of cancer (19Trusted Source).
Guava leaf oil was found to be four times more effective than certain cancer medications in a test-tube investigation (20Trusted Source).
Although test-tube results are encouraging, this does not imply that guava leaf extract can benefit people with cancer. Before making any conclusions, more research is required.
SUMMARY
Guava's high antioxidant levels may aid in the prevention of cancer cell genesis and growth.
7. Can Aid in Immune Boosting
Vitamin C deficiency has been related to an increased risk of disease and infection.
Guavas, which are one of the highest food sources of vitamin C, are a fantastic method to receive this nutrient.
In fact, one guava has nearly double the daily recommended amount of vitamin C (RDI). This is nearly twice as much as one orange would provide (13).
Vitamin C helps to keep your immune system in good shape (21Trusted Source).
Vitamin C has been demonstrated to shorten the length of a cold, while it has not been proven to prevent it (22Trusted Source).
Antimicrobial properties are also connected to it. This implies that it aids in the elimination of harmful bacteria and viruses that might cause infections (21Trusted Source).
Because vitamin C is rapidly flushed from the body, it's critical to consume enough of it on a daily basis.
SUMMARY
Guavas are one of the most vitamin C-rich fruits available. It is critical to maintain enough levels of this vitamin to avoid disease and infections.
8. Guavas May Be Beneficial to Your Skin
A guava's vast spectrum of vitamins and antioxidants may be beneficial to your skin. Its antioxidants may aid to protect your skin from damage, slowing down the aging process and preventing wrinkles. (23Reliable Source)
Furthermore, when applied directly to the skin, guava leaf extract may aid in the treatment of acne.
Guava leaf extract was found to be effective at killing acne-causing bacteria in a test tube study, owing to its antibacterial and anti-inflammatory capabilities (24Trusted Source).
More research is needed to verify the effect of guavas and guava extract in skin health.
SUMMARY
Guavas include antioxidants and vitamins that can help your skin age more slowly, and guava leaf extract may be used to treat acne.
The Bottom Line Guavas are extraordinarily tasty and nutrient-dense.
This tropical fruit is low in calories, high in fiber, and a great way to add variety to your diet.
Guava leaf extracts, which are used as dietary supplements, have also been shown to have numerous health benefits in numerous studies.
Guava fruit and leaf extracts, taken together, may improve your heart health, digestion, and immune system, among other things.
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