Watermelon and H. Pylori – Does It Help?

watermelon and h pylori

Helicobacter pylori (H. Pylori) is a type of bacteria that triggers stomach infection or ulcer, commonly affecting around 2/3rd of the world’s population. Peptic ulcers are common with H. pylori bacteria but aren’t problematic for most people.

The significant conflict of the hour is that some people consider watermelon a cure for H. pylori, while others consider it a trigger. There’s mixed evidence on how watermelon reacts to H. pylori and peptic ulcers.

Let’s find out if watermelon and H. pylori are connected helpfully or devastatingly! Read along until the end for a complete insight into the effectiveness of this suggested remedy.

What Is an Ulcer?

In simple words, an ulcer is a sore that takes a lot of time to heal and keeps returning. There’s a possibility that due to some form of infection, it can appear both inside and outside of the body. H. pylori bacteria can cause ulcers in your upper intestine or stomach lining, namely peptic ulcers.

Peptic ulcers can give rise to problems such as internal bleeding, blockages in your digestive tract, and worsening infection. Apart from peptic ulcers, such infections can also occur anywhere from your eye to your foot, the causes of which remain different.

What Factors Do Contribute to Peptic Ulcers?

In this article, we’re explicitly discussing peptic ulcers. So, we’ll keep our focus on the same topic throughout. Before we help you out with the effects of watermelon on H. pylori, let’s understand what factors contribute to aggravating peptic ulcers:


H. pylori bacteria is a common cause of peptic ulcers living in the mucus layer. It protects and covers the tissues that line your stomach and intestine. At times, this bacteria triggers inflammation of your stomach’s inner layer, which produces an ulcer.

woman in bed with both hands placed on her stomach

People get infected with this bacteria through physical or intimate contact. It’s contagious but can also spread through water or food as a medium.

Consuming Too Many Pain Relievers

Most people experience peptic ulcers due to the overconsumption of aspirin or other prescribed pain medications. Overuse of these medications causes inflammation in the stomach and intestine lining. Thus, ulcers are formed.

Other Medications

Other medications such as steroids, aspiring alternatives, serotonin reuptake inhibitors, alendronate, anticoagulants, risedronate, and others can also increase your chances of developing peptic ulcers.

Watermelon’s PH: Is It Acidic or Alkaline?

Watermelons are considered one of the most nutritious foods containing vitamins and minerals. They’re rich in Vitamin C, which is good for human health in several ways. Acidic foods affect your stomach lining and trigger peptic ulcers.

Therefore, people have a solid urge to determine if watermelons are acidic or alkaline because watermelons are said to act as a cure for peptic ulcers.

All food consists of some amounts of acidic and alkaline behavior. Watermelons have the lowest acidic content, and the pH ranges between five and nine when it’s fully ripe. It’s because 90% of a watermelon’s body is water.

They have an alkaline-forming effect while ripening and become completely alkaline when fully ripe. Watermelons also have plant compounds that act beneficially for the digestive tract. Even though the acidic formation is low in watermelons, consuming it excessively might cause acidity and other such problems.

Is Watermelon Beneficial for Ulcers?

Watermelon is suggested to be an excellent fruit for people experiencing stomach or peptic ulcers. Some nutrients that contribute to this healing effect are lycopene, vitamin A, citrulline, plant components, and vitamin C.

holding a watermelon

It acts as a healing and prevention agent for the mouth and gastrointestinal ulcers. It’s low in acidic properties and high in water contents, introducing a calming effect to ease ulcer pain.

Due to peptic ulcers, you might have to make a lot of changes to your existing diet. But your doctor would suggest you consider watermelons as a priority.

How Does Watermelon Aid in Ulcer Treatment?

Watermelons are very high in lycopene, a powerful antioxidant that not only aids ulcers but also reduces the risk of cancer, improves skin health, protects bones, improves eye health, and cures nerve damage.

We know you’re here to understand watermelons as a remedy for your peptic or stomach ulcers. So, without overwhelming you with all of the benefits of watermelons, let’s try and understand how watermelon aids ulcers.

Healing Effect on Ulcers

The pulp of watermelon consists of lycopene, citrulline, vitamin A, and vitamin C. The rinds consist of fiber, antioxidants, phytochemicals, and minerals.

All of these compounds are responsible for preventing or healing ulcers. Here’s how the individual compounds work toward treating or preventing stomach ulcers:


Citrulline is one of the many healing compounds of watermelon. It’s found in the white rind that surrounds the flesh of watermelon.

The body breaks it down and converts it into amino acids, which decreases the acid production of your stomach. The gastric cells are regulated for this purpose, which will stop the gastric lining from experiencing further damage.



Lycopene is one among the several pigments that provide color to watermelon. The more red the flesh is, the higher the amounts of lycopene will be in it. It’s a form of antioxidant that reverses all the harm incurred by your gut due to the stomach acid in your body.

All the free radicals are flushed out from your body which might cause additional ulcers. The stomach ulcers that affect the entire digestive tract are called ulcerative colitis. Watermelon also works to improve the appearance of these ulcers.

The watermelon seeds also consist of lycopene, for which they’re often consumed as snacks, cooking oil, fat binders, or condiment. Seeds are also rich in zinc, which works towards healing the gut lining.

Vitamin A

Vitamin A works towards protecting our bodies from developing ulcers and healing the ones that already exist. It increases mucus in your body, which is responsible for lining the stomach and intestine. As a result, this will help layer and strengthen the lining to repel bacterial damage in the future.

When the stomach lining is already damaged, vitamin A is responsible for increasing the protein content of mucosa and heals your gut and intestine.

Vitamin C

Vitamin C is an antioxidant that stops stomach and intestine damage due to acids. This vitamin is responsible for suppressing the actions of oxygen free radicals.

The human body naturally produces these free radicals due to regular metabolism, but lousy lifestyle habits such as stress or smoking can aggravate the production of it.

holding a sliced watermelon

These free radicals result in oxidative stress that leads to diseases such as cancer or heart problems. Watermelon and vitamin C will protect your heart health and reduce the chances of ulcer bleeding in your stomach.


Flavonoids are plant components of watermelon that will stop the production of H. pylori bacteria in your body.

If you consume watermelon usually, then you might not experience stomach ulcers at all, as H. pylori will be suppressed entirely. It’s one of the natural ways to cure H. pylori-associated infections and ulcers.

Flavonoids help work collaboratively with antibiotics to strengthen their healing action against H. pylori or peptic ulcer.

Next time if you wonder what foods kill H.pylori, then remember watermelon is one among them.

Watermelon’s Distinctive Health Advantages

Watermelon is sweet and juicy and is consumed as both eatables and beverages. Apart from satisfying your thirst, it also serves as a health remedy for many conditions.

Treating peptic ulcers is one significant health perk of watermelons, but there are still many other distinctive advantages to improve your overall health, which include:

1. Anti-Cancer Effects

The plant compounds such as cucurbitacin and lycopene in watermelon have anti-cancer effects. Lycopene intake is associated with lowering the risk of colorectal and prostate cancers.

It lowers the blood levels of Insulin-like growth factor (IGF), a hormone responsible for cell division in your body. The formation of cancer is a result of excessive and uncontrollable cell division.

2. Improves Heart Health

Every year, more than 647,000 Americans die due to heart disease. And such worrisome statistics make it the leading cause of death in the United States. It shouldn’t be an option to consider taking preventative remedies for heart health, but it should be a mandate.

whole watermelon

Watermelon is one such food among many that can help you with heart-healing nutrients. It will help reduce the blood pressure in your body and suppress cholesterol levels. Moreover, lycopene in watermelon also helps prevent oxidative damage due to high cholesterol levels.

Citrulline in watermelons breaks down to form amino acids, and thus it further breaks down to increase the nitric oxide levels in your body. With the rise in nitric levels, your blood vessels will expand, and your blood pressure will lower significantly.

Vitamin A, vitamin B6, vitamin C, magnesium, and potassium are other nutrients in watermelons that help improve heart health.

3. Prevents Macular Degeneration

Lycopene benefits your eyes and prevents you from suffering Age-related Macular Degeneration (AMD). AMD is a condition where the eyesight takes a hit and can turn older adults blind. Lycopene is an antioxidant and anti-inflammatory compound that inhibits and prevents this eye disorder.

This plant compound in watermelon will decrease the ability of inflammatory markers to damage the cells in your eyes. It’s highly recommended for older adults.

4. Relieves Muscle Soreness

Citrulline is another plant compound from watermelons that will help you improve your strength and stamina to exercise. Following that, it also reduces your muscle soreness. Athletes also consume it in the form of packaged supplements.

Regular citrulline intake through watermelon or other sources for at least seven days will improve your aerobic performance. It’s possible as citrulline increases nitric oxide production in your body.

These compounds will expand the blood vessels, ensuring that your heart doesn’t have to work harder to pump blood while you work out.

5. Improves Skin Health

Vitamins A and C in watermelon work towards aiding your skin health. Vitamin C is popularly used in many topical and oral remedies for healing skin rashes, burns, scars, and others. Watermelons can fulfill your body’s need for vitamin C to aid your skin.

pool day

It helps your body produce more collagen, an essential protein that heals the skin and damages and strengthens your hair. It will decrease your chances of developing wrinkles or dry skin.

Vitamin A is also a crucial nutrient for your skin that helps you produce healthy skin cells and repair the existing ones. Without sufficient vitamin A, your wound healing process will be slower than usual.

Watermelon Nutritional Facts

Watermelon consists of water and carbs as a whole. It has no fat or protein and is low in calories. The nutrient facts for 100 grams of raw watermelon are:

  • Calories- 30
  • Fat- 0.2 grams
  • Fiber- 0.4 grams
  • Sugar- 6.2 grams
  • Carbs- 7.6 grams
  • Protein- 0.6 grams

Is Watermelon Capable of Causing Gastritis?

Yes, watermelon can cause gastritis and bloat. There’s a risk that overconsumption of watermelon might trigger bloating problems.

It’s rich in fructose, a natural sugar that roughens the gastrointestinal system when you eat or drink too much watermelon. The body can’t absorb all fructose, which causes gas and upsets the stomach.

You can also check does omeprazole help with gas.

Does Watermelon Cause Acidity?

Yes, watermelon might cause acidity. Consuming too much watermelon can be acid-producing. So, ensure you mix it into a fruit salad only and eat it in smaller portions at a time. Your gut will detect if you’re consuming it in large amounts. Hence, it will produce more acid in your body.


So, this is a complete elaboration on how watermelon will help you treat your peptic ulcers. We have tried to explain how watermelon reacts with your body to heal your infectious ulcers and ease the pain.

But if any doubt persists in your mind, then the best person to talk to is your doctor. Take an appointment and ask them, “Is watermelon good for ulcers?” Take their suggestion on consumption quantity. Additionally, take their prescription medications or supplements alongside watermelon to speed up their recovery.

One such effective supplement is our Optima Healthy Gut Solution, which has proven to heal leaky gut syndrome, reduce inflammation, improve digestive health, and help the body absorb nutrients better.

Also, check our post about colon bacteria types.

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