The Natural Remedy That May Help Relieve Constipation — What the Science Really Says
Constipation can be surprisingly disruptive.
A person may feel bloated, uncomfortable and heavy. They may sit in the bathroom waiting for something to happen, only to leave frustrated and try again later.
That is why headlines promising a “natural and effective remedy” can spread quickly online.
The image you shared makes an even stronger claim: that one particular fruit recommended by a gastroenterologist can help produce “quick bowel movements.”
But before turning that into another viral health claim, there is an important question:
Does the science actually support it?
The answer is encouraging—but it is more nuanced than the headline suggests.
Certain fruits really can help with constipation. Research has found particularly promising evidence for prunes and green kiwifruit, while a high-fiber diet, adequate fluids and regular physical activity remain important parts of constipation management.
However, there is no single fruit that works for everyone, and no food can guarantee a bowel movement within a specific amount of time.
So let's separate the useful advice from the exaggerated promise.
The Viral Claim: Is There Really a “Number One” Fruit?
The short answer is:
Not exactly.
There is no universally accepted medical rule saying that one fruit is officially the “number one” food for constipation.
However, some fruits have considerably more evidence behind them than others.
Two of the most interesting are:
Prunes
Prunes are dried plums and contain fiber as well as naturally occurring sorbitol, a carbohydrate that can have a laxative effect.
Clinical research has found that prunes can increase stool frequency and improve stool consistency in people with constipation.
Green kiwifruit
Green kiwifruit has also been studied specifically for constipation.
In a randomized clinical trial involving people with functional constipation and constipation-predominant IBS, consuming two green kiwifruits per day was associated with clinically meaningful increases in complete spontaneous bowel movements and improvements in gastrointestinal comfort.
Another U.S. study compared green kiwifruit, prunes and psyllium in adults with chronic constipation. All three approaches improved constipation-related outcomes, while kiwifruit was associated with fewer reported adverse effects and less dissatisfaction with treatment.
So if the image is referring to kiwifruit, there is legitimate scientific evidence behind the idea.
If it is referring to prunes, there is also legitimate evidence.
But calling one fruit the guaranteed “number one” remedy goes beyond what the research proves.
Why Constipation Happens in the First Place
Before discussing remedies, it helps to understand what constipation actually means.
Constipation isn't simply “not going every day.”
Some healthy people have bowel movements several times a day.
Others go every other day.
The National Institute of Diabetes and Digestive and Kidney Diseases describes constipation using symptoms such as having fewer than three bowel movements per week, passing hard or lumpy stools, experiencing painful or difficult bowel movements, or feeling as though the bowel has not completely emptied.
There can be many causes.
A person may not be eating enough fiber.
They may not be drinking enough fluids.
They may be physically inactive.
They may regularly ignore the urge to use the bathroom.
Certain medications can cause constipation.
Medical conditions can also contribute.
And sometimes constipation occurs because the muscles involved in bowel movements are not coordinating properly.
That is why simply saying “eat this fruit” doesn't explain the entire problem.
Why Fiber Matters So Much
Fiber is one of the most important nutritional tools for preventing and managing constipation.
The NIDDK recommends that adults generally get approximately 22 to 34 grams of fiber per day, depending on age and sex.
But there's an important warning.
If someone suddenly goes from eating very little fiber to eating enormous amounts of it, they may experience:
- Gas
- Bloating
- Abdominal discomfort
That's why increasing fiber gradually is generally a better strategy.
And fiber works best when there is adequate fluid intake.
The NIDDK specifically advises drinking enough water and other liquids when increasing fiber because fluids help make stool softer and easier to pass.
So the real formula isn't simply:
“Eat fruit.”
It is closer to:
Fiber + adequate fluids + movement + healthy bowel habits.
Why Prunes Have Earned Their Reputation
For generations, people have used prunes as a traditional remedy for constipation.
Modern research suggests there is a legitimate reason for that reputation.
Prunes contain fiber, but they also contain sorbitol.
Sorbitol can draw water into the intestinal contents and help promote softer stool.
Research has repeatedly investigated this effect.
In one randomized controlled trial involving adults with constipation, dried plums improved complete spontaneous bowel movements and stool consistency compared with psyllium.
Another randomized controlled trial published in the American Journal of Gastroenterology found that prune juice reduced hard and lumpy stools and increased normal stool while improving subjective constipation symptoms.
That doesn't mean prunes are a miracle food.
But unlike many social-media “detox” claims, this one actually has clinical research behind it.
How Much Is Too Much?
This is where viral posts can become dangerous.
Someone might see a claim about prunes and think:
“If a little helps, a huge amount must work even better.”
Not necessarily.
Large amounts of prunes or prune juice can cause:
- Gas
- Bloating
- Abdominal discomfort
- Loose stools
- Diarrhea
The appropriate amount depends on the person, their diet and their medical circumstances.
The studies that found benefits used specific amounts under research conditions, rather than proving that everyone should consume a particular large dose.
So more isn't automatically better.
And Then There Is the Kiwi
Green kiwifruit deserves attention because it has become one of the more interesting food-based approaches studied for constipation.
In an international randomized controlled trial, participants with functional constipation or constipation-predominant irritable bowel syndrome consumed two green kiwifruits per day or psyllium.
Among participants with constipation, kiwifruit was associated with an increase of at least 1.5 complete spontaneous bowel movements per week and improvements in gastrointestinal comfort.
That's a meaningful finding.
And it helps explain why gastroenterologists and researchers have become interested in kiwifruit as a dietary option.
But again:
It doesn't mean two kiwis will instantly solve everyone's constipation.
Research measures groups of people.
Individuals can respond differently.
Kiwi vs. Prunes: Which Is Better?
This is one of the most interesting questions.
A U.S. comparative-effectiveness trial looked directly at three natural approaches:
- Green kiwifruit
- Prunes
- Psyllium
The participants had chronic constipation.
All three treatments improved constipation-related outcomes.
The researchers found improvements in stool frequency, while kiwifruit and prunes improved stool consistency and straining. Kiwifruit also improved bloating and was associated with fewer adverse events than the other options.
So there isn't a simple winner.
For one person, kiwifruit might be preferable.
For another, prunes may work better.
Someone else may benefit from psyllium.
And some people with persistent constipation may need medication or medical evaluation.
The “Quick” Part Needs a Warning
The phrase “quick bowel movements” is attractive because everyone wants immediate relief.
But the human digestive system doesn't operate like a light switch.
A fruit doesn't necessarily produce a bowel movement within minutes.
The effect of dietary changes can depend on:
- Your current diet
- Your hydration
- Your activity level
- Your normal bowel habits
- The cause of constipation
- Your gut sensitivity
- Medications
- Underlying medical conditions
So a more scientifically responsible statement would be:
“Certain fruits may help improve constipation and make bowel movements easier.”
That's much more defensible than promising an immediate result.
The Other Fruit Choices Worth Knowing
Prunes and kiwi aren't the only fruits containing fiber.
The NIDDK lists several fruits among good sources of dietary fiber, including:
- Pears
- Apples with the skin
- Berries
- Oranges
It also recommends vegetables, legumes, whole grains and nuts as important fiber sources.
This is important because constipation isn't usually solved by obsessing over one food.
A person's overall eating pattern matters.
A breakfast containing oatmeal and berries may contribute fiber.
A lunch containing beans and vegetables can add more.
An apple or pear can become another source.
And gradually increasing fiber across the day may be more sustainable than relying on one “miracle” fruit.
Don't Forget Water
Imagine putting dry fiber into the digestive system without enough fluid.
For some people, increasing fiber rapidly without adequate hydration can make bloating or discomfort worse.
The NIDDK specifically recommends drinking enough liquids when increasing fiber.
That doesn't mean everyone needs exactly eight glasses of water.
Fluid requirements vary according to body size, activity, climate and health conditions.
People with certain medical conditions may also have fluid restrictions.
So “drink as much water as possible” is not universally appropriate.
A better message is:
Stay adequately hydrated according to your individual health needs.
Movement Can Help Your Bowels Too
Here's another surprisingly simple piece of the puzzle.
Move your body.
Regular physical activity may help relieve constipation, according to the NIDDK.
That doesn't necessarily mean intense exercise.
A walk after a meal may be a practical starting point for many people.
If someone is currently inactive, they can begin gradually.
The broader health recommendation for healthy adults is at least 150 minutes of moderate-intensity physical activity per week, although individual needs differ.
The digestive system is part of the body.
It responds to the body's overall routine.
Your Morning Routine May Matter
Some people find that their bowel movements become more predictable when they establish a regular routine.
The NIDDK notes that trying to have a bowel movement about 15 to 45 minutes after breakfast may help because eating can stimulate movement in the colon.
This doesn't mean everyone must use the bathroom at exactly that time.
Instead, the idea is to give your body an opportunity to respond to its natural signals.
And one habit is especially important:
Don't repeatedly ignore the urge to go.
If your body tells you it's time, delaying repeatedly can contribute to constipation for some people.
A Small Footstool May Help
Another simple strategy involves bathroom positioning.
The NIDDK notes that using a footstool can make a bowel movement more comfortable for some people.
The goal is to place the body in a position that makes relaxation easier.
It isn't a miracle cure.
But for some people, small changes in bathroom posture can make the process more comfortable.
What If Fruit Doesn't Work?
This is where people sometimes make a dangerous mistake.
They try one fruit.
It doesn't work.
So they try another.
Then another.
Then a supplement.
Then a “detox tea.”
Then a homemade mixture from social media.
Meanwhile, the underlying cause remains untreated.
Persistent constipation deserves attention.
The NIDDK explains that healthcare professionals may recommend dietary changes, physical activity, over-the-counter treatments or prescription medicines depending on the situation.
The American Gastroenterological Association and American College of Gastroenterology also have evidence-based guidance for pharmacological management of chronic idiopathic constipation.
In other words:
Natural remedies have a place, but they aren't the entire medical toolkit.
When Constipation Should Not Be Treated at Home
This is perhaps the most important section of the article.
Constipation is often harmless.
But sometimes it can be a sign of something that needs medical attention.
According to the NIDDK, people with constipation should seek medical care promptly if they have symptoms such as:
- Rectal bleeding
- Blood in the stool
- Constant abdominal pain
- Inability to pass gas
- Vomiting
- Fever
- Unexplained weight loss
- Lower back pain
These symptoms shouldn't be dismissed as “I just need more fiber.”
In particular, severe or persistent abdominal pain, vomiting and inability to pass gas can be warning signs of a potentially serious bowel problem.
That's not the time to experiment with another fruit.
Constipation That Keeps Coming Back Deserves an Explanation
Occasional constipation is common.
Chronic constipation is different.
If someone repeatedly struggles for weeks or months, the question shouldn't simply be:
“What can I eat?”
It should also be:
“Why is this happening?”
Possible contributors include medications, dehydration, low fiber intake, inactivity, certain metabolic conditions, thyroid disorders, gastrointestinal disorders and pelvic-floor problems.
A healthcare professional can review medications and medical history and determine whether additional evaluation is necessary.
A Simple Food-Based Approach
For someone who occasionally experiences mild constipation and has no warning signs, a reasonable food-focused approach may look like this:
Step 1: Add fiber gradually
Choose fruits, vegetables, legumes and whole grains.
Step 2: Consider a fruit with evidence
Green kiwifruit and prunes are two options supported by clinical research.
Step 3: Drink adequate fluids
Especially when increasing fiber.
Step 4: Move
A daily walk can be a practical place to start.
Step 5: Respect the urge
Don't routinely postpone bowel movements.
Step 6: Give your body a routine
Some people benefit from trying to use the bathroom after breakfast.
This approach is much more realistic than searching for a single magical food.
What About People With IBS?
This deserves special attention.
Constipation can occur in people with irritable bowel syndrome with constipation, often called IBS-C.
And people with IBS can react differently to foods.
Increasing fiber too quickly can increase gas and bloating.
The NIDDK notes that gradually increasing fiber may help reduce gas and bloating in people with IBS.
The kiwifruit research is particularly interesting here because studies have included people with IBS-C and found improvements in bowel function and gastrointestinal comfort.
But IBS is individualized.
A food that feels wonderful for one person may trigger symptoms in another.
That's why keeping a food-and-symptom diary can sometimes be useful.
What About Laxatives?
There is sometimes an unnecessary fear surrounding laxatives.
People may believe that using any laxative means they have failed at natural health.
That's not medically accurate.
Healthcare professionals use different types of laxatives as legitimate treatments for constipation.
The NIDDK lists fiber supplements, osmotic agents, stool softeners, lubricants and stimulant laxatives among possible treatments, depending on the situation.
The key is using the appropriate treatment appropriately.
If someone has chronic constipation that isn't responding to lifestyle measures, they should talk to a healthcare professional instead of repeatedly experimenting with increasingly aggressive home remedies.
So What Is the Best Natural Remedy?
If we're being honest, there isn't one universal winner.
But there are several strong candidates.
Green kiwifruit
Supported by randomized clinical trials for constipation, including studies showing improved bowel frequency and gastrointestinal comfort.
Prunes
Supported by randomized trials showing improvements in stool frequency, stool consistency and constipation symptoms.
High-fiber foods
Strongly supported as part of constipation prevention and management.
Adequate fluids
Important for helping fiber work effectively and keeping stool softer.
Regular physical activity
Can help relieve and prevent constipation.
The strongest strategy is therefore not one isolated food.
It's a combination of habits.
The Verdict on the Viral Claim
The claim that a particular fruit can help relieve constipation is partly true.
There is credible clinical evidence supporting certain fruits—especially green kiwifruit and prunes—as dietary options for people experiencing constipation.
But the phrase “the number one fruit” or the promise of an immediate bowel movement is overstated.
There is no single fruit that works for everyone.
There is also no guarantee of a “quick” bowel movement.
What the evidence actually supports is much more useful:
A fiber-rich diet, adequate hydration, physical activity, regular bowel habits and, for some people, foods such as prunes or green kiwifruit can help improve constipation.
And if constipation persists or comes with bleeding, severe or constant abdominal pain, vomiting, fever, inability to pass gas or unexplained weight loss, it's time to stop scrolling and speak with a healthcare professional.
Final Takeaway
There is something appealing about the idea that one ordinary fruit could solve an uncomfortable problem.
And in this case, the story isn't entirely a myth.
Prunes have evidence.
Green kiwifruit has evidence.
Fiber has evidence.
Movement has evidence.
Adequate fluids matter.
But your digestive system is not a machine with a single “reset button.”
If you occasionally feel constipated, improving your overall diet and routine may be enough.
If the problem keeps returning, however, don't simply keep searching for the next viral remedy.
Find out why it's happening.
Because sometimes the most effective “natural remedy” isn't another secret ingredient.
It's understanding what your body is actually trying to tell you.
And that's a message worth listening to.
This article is for general education and does not diagnose or treat an individual medical condition. People with persistent, severe or unexplained constipation should seek advice from a qualified healthcare professional.
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