Evidence-Based Benefits and Side Effects

Benefits and Side Effects:

Guavas are tropical trees originating in Central America.


Their fruits are oval in shape with light green or yellow and contain edible seeds. What’s more, guava leaves are used as a tea and the leaf extract as a supplement.

Guava fruits are amazingly rich in antioxidants, vitamin C, potassium, and fiber. This remarkable nutrient content gives them many . They equally have some side effects which you’ll also find out in this article.

In this article, we discuss the nutrition facts, benefits, and side effects of guava.


% Daily Value*
Total Fat 1 g 1%
Saturated fat 0.3 g 1%
Polyunsaturated fat 0.4 g
Monounsaturated fat 0.1 g
Cholesterol 0 mg 0%
Sodium 2 mg 0%
Potassium 417 mg 11%
Total Carbohydrate 14 g 4%
Dietary fiber 5 g 20%
Sugar 9 g
Protein 2.6 g 5%
Vitamin A 12% Vitamin C 380%
Calcium 1% Iron 1%
Vitamin D 0% Vitamin B-6 5%
Cobalamin 0% Magnesium 5%
* percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
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of Guava:

A few of the surprising Guava health benefits are listed below:

1. Immunity Booster:

  • One medium-sized guava is packed with two times the daily requirement of Vitamin C and strengthens the immune system
  • Eating guava daily can fight against common infections and pathogens

2. Antioxidants:

  • Guavas are rich in Vitamin C content and therefore boost the immune system in antioxidants
  • Protecting antioxidants can help defend against serious conditions like cancer and heart diseases
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3. Cancer Prevention:

  • It has the ability to hinder the growth of cancerous cells and prevent prostate, breast cancer, and oral cancer
  • Guavas are rich in lycopene, an antioxidant that can reduce the risk of prostate cancer

4. Diabetes-Friendly:

  • The intake of guava can help prevent Type-2 diabetes
  • Dietary fiber in guava can help diabetic patients and regulate sugar absorption, and decrease the chances of glucose imbalance

5. Heart Healthy:

  • Consume guava leaves to reduce blood pressure levels and cut the risk of heart strokes
  • Drink guava brewed tea to cut levels of cholesterol

6. Treats Constipation:

  • Guava contains dietary fiber which can aid in better digestion
  • Its seeds contain potent laxatives allowing individuals to treat constipation

7. Improves Eyesight:

  • Guavas are rich in Vitamin A and help to improve eye vision
  • Its intake can slow down cataract formation, and reduce muscular degeneration

8. Guava during Pregnancy:

  • Nibbling on guava can relieve from constipation problems common during pregnancy
  • Guavas are rich in Vitamin B9 and folic acid. This helps protect the newborn from neurological disorders
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9. Beats Toothache:

  • Guavas contain folate which can prevent bad breath and gingivitis
  • Its natural astringent acts as a remedy for toothache, and oral ulcers

10. Stress-Buster:

  • Guavas have magnesium content that can soothe body muscles and nerves
  • Intake of guava can help combat stress and boost energy levels

11. Scurvy:

  • Intake of guavas can help to fight diseases like scurvy
  • Its high concentration of Vitamin C is a known remedy for treating scurvy

12. Good for Brain:

  • Guava has a rich presence of Vitamin B3 and Vitamin B6 that help to stimulate brain function
  • Eating guavas can increase brain function and sharpen concentration

13. Guava for Weight Loss:

  • Guava does not contain cholesterol and is low in digestible carbohydrates
  • It is a filling snack and can satisfy the appetite

14. Cough and Cold:

  • The juice of guavas can be helpful to relieve coughs and colds
  • It can disinfect the respiratory tract, throat, and lungs with its astringent properties

15. Treats Diarrhea and Dysentery:

  • Guavas can help loosen bowels and reduce diarrhea symptoms
  • Its disinfectant properties can treat dysentery by removing excess mucus from the intestines
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16. High blood pressure:

  • Guava reduces cholesterol and maintains blood fluidity to reduce blood pressure
  • It is rich in fiber and hypoglycemic, and therefore reduce blood pressure

17. Lowering Blood Sugar:

  • The guava peels are edible and can aid in increasing insulin concentration and lowering blood sugar
  • Drinking guava juice can help to balance blood sugar levels

18. Dental Care:

  • Guava juice can cure swollen gums, toothaches, and oral ulcers
  • It reduces the frequency of bacterial infections
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19. Relieve Menstruation Pain:

  • Consuming guava pulp mixture with milk and without the seeds can help reduce menstrual pain
  • Alternatively, try guava infused tea to get equal relief

20. Digestion:

  • Guavas serve as excellent laxatives to help in the formation of healthy bowel movements
  • Just one guava contains rich sources of fiber, making it really beneficial for digestive health

21. Thyroid:

  • Consuming guava can help one to maintain good thyroid health
  • Guavas contain copper and can help to regulate the thyroid metabolism

22. Dengue Fever

  • Drink guava juice thrice a day to treat dengue fever and fight the dengue virus
  • Guava leaves can increase the number of platelets up to 100 thousand millimeters per cubic

23. Balancing Electrolyte:

  • Guavas can be great to a snack before or after workout sessions because they are rich in fiber and contribute to balancing the electrolyte in the body
  • Guavas can restore the lost potassium reserve, thus maintaining the balance in electrolyte

24. Guava for Care:

  • Mash guava pulp with egg yolk and apply on face to reveal improved complexion.
  • Guava can help fight against free radicals to keep the skin glowing and prevent aging signs like uneven skin texture and sagging skin.
  • Mash a few guavas leave and apply the smooth paste onto the face to reduce dark spots and acne.
  • Guava comprises 80% water and therefore keeps skin hydrated.

25. Guava for Hair Care:

  • Mash guava leaves to make a paste and apply it on the scalp. It can help to combat hair loss problems.
  • Its rich nutrients can easily treat scalp related problems to get long healthy hair.

Those where the benefits of guava, now let take a quick look at the side effects.


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Side Effects Of Guava

When taken by mouth: Guava is LIKELY SAFE when eaten as a food. Guava fruit and guava leaf extract are POSSIBLY SAFE when used as a medicine, short-term. Guava leaf extract might cause temporary nausea or stomach pain in some people.

When applied to the skin: Guava leaf extract is POSSIBLY SAFE when applied to the skin or inside the mouth as a rinse. It might cause skin irritation in some people.

Those are some of the known side effects of guava. Let’s look at the precautions and warnings.


Special Precautions & Warnings:

Pregnancy and breast-feeding: Guava is LIKELY SAFE when eaten as food. There isn’t enough reliable information to know if guava is safe to use as a medicine when pregnant or breast-feeding. Stay on the safe side and stick with food amounts until more is known.

Eczema: Guava leaf extract might make eczema worse. Guava leaf extract contains chemicals that can cause skin irritation, especially in people with skin conditions like eczema. If you have eczema, use guava leaf extract with caution.

Diabetes: Guava might lower blood sugar. If you have diabetes and use guava, check your blood sugar carefully.


Surgery: Guava might lower blood sugar. In theory, guava might increase the risk of bleeding or interfere with blood sugar control during and after surgical procedures. Stop using guava as a medicine at least 2 weeks before a scheduled surgery.

If you have any questions regarding this guava benefits and side effects, please comment below, and don’t forget to subscribe to our Newsletter.

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