Are pineapples a laxative?

Pineapples are a delicious and nutritious fruit that have long been claimed to have laxative properties. In this article, we’ll explore the evidence behind whether pineapples can really help relieve constipation.


Pineapples are packed with nutrients like vitamin C, manganese, and bromelain – an enzyme with anti-inflammatory properties. They have a long history of being used as a digestive aid in traditional medicine practices across the world. But is there any truth to the claim that pineapples have laxative effects?

Constipation is a common condition affecting people of all ages. It’s characterized by infrequent, difficult, or incomplete bowel movements. Chronic constipation can negatively impact quality of life and lead to complications like hemorrhoids or bowel obstruction. Finding natural ways to relieve constipation is appealing to many people. But do pineapples actually help? Let’s take a closer look.

The Laxative Effects of Pineapples

The primary reason pineapples are linked with laxative properties is that they contain bromelain. Bromelain is an enzyme that helps break down proteins. Some research indicates it may also help the body digest fats and carbohydrates more effectively.

By improving digestion, bromelain could allow waste to pass through the intestines more easily. This is why pineapples and bromelain supplements are sometimes recommended as natural laxatives.

Some key studies about bromelain and constipation include:

Study Findings
2012 study on mice Bromelain increased stool production and moisture in constipated mice
2018 clinical trial Bromelain supplements increased bowel movement frequency and improved consistency in constipated adults

These studies show promising results for bromelain as an agent to relieve constipation. The enzyme seems to help loosen stool and stimulate bowel movements.

In addition to bromelain, pineapples contain fiber. Fiber adds bulk to stool and helps it pass more easily through the intestines. A cup of fresh pineapple has about 2.3 grams of fiber. Eating high fiber foods like pineapples can help with regularity.

Other Potential Laxative Foods

While the bromelain and fiber in pineapples may have mild laxative effects, there are other fruits and natural foods that are also touted for their ability to relieve constipation:

Food Laxative Component
Apples Pectin fiber
Figs Fiber, sorbitol
Pear Fiber, sorbitol
Prunes Fiber, sorbitol
Coffee Caffeine

Pectin and sorbitol are types of soluble fiber that pull water into the stool and soften it. Prunes in particular are well studied for their laxative effects. One review found prunes are more effective than psyllium fiber supplements for relieving constipation.

Caffeinated drinks like coffee can also stimulate bowel movements by causing contractions in the intestines. But caffeine should be consumed in moderation as too much can cause diarrhea.

Many other fruits, vegetables and whole grains have fiber and can help with regularity. Getting enough fiber from a varied whole foods diet is important for healthy digestion.

Recommended Fiber Intake

Here’s a look at the adequate intake (AI) recommendations for daily fiber intake from The National Academies of Sciences, Engineering and Medicine:

Age Recommended Fiber Intake
1-3 years 19g/day
4-8 years 25g/day
9-13 years 31g/day (male), 26g/day (female)
14-18 years 38g/day (male), 26g/day (female)
19-50 years 38g/day (male), 25g/day (female)
51+ years 30g/day (male), 21g/day (female)

Unfortunately, research shows most Americans don’t get enough dietary fiber. Adding high fiber foods like fruits, vegetables, beans, nuts and whole grains is encouraged.

Too Much Fiber Can Backfire

While fiber has proven benefits for relieving constipation, it’s possible to go overboard. Loading up on high fiber foods when you aren’t used to them can cause gas, bloating and diarrhea.

It’s best to increase fiber intake gradually over several weeks. This gives your digestive system time to adapt. Be sure to drink plenty of water as well. Aim for 8 cups of fluids per day.

Some people are sensitive to certain high fiber foods. If you suspect an intolerance, try eliminating problem foods like beans or cruciferous vegetables. Pay attention to which fiber sources make you feel your best.

Other Constipation Remedies to Try

Pineapples and fiber can help get things moving. But if you’re still struggling with constipation, consider these other natural remedies:

– Drink warm or hot water with lemon first thing in the morning

– Exercise regularly

– Massage your abdomen in a clockwise motion

– Try yoga poses like child’s pose, squats, and twists

– Take a probiotic supplement to support healthy gut bacteria

– Drink herbal teas like senna, licorice root, or chamomile

– Consider magnesium supplements or epsom salt baths

– Use a squatty potty to get your bowels in optimal position

– Relax and give yourself time – don’t rush bowel movements

When diet and lifestyle changes aren’t enough, talk to your doctor. They can evaluate you for underlying causes and suggest next steps. Persistent constipation may require treatment with laxatives, stool softeners, or other medications.

Key Takeaways

– Pineapples contain bromelain, an enzyme that helps break down proteins and may support regularity.

– The fiber in pineapple provides bulk and moisture to stool.

– Prunes, pears, figs, and other fruits also have compounds that can relieve constipation.

– Aim for 25-35 grams of fiber per day, but increase high fiber foods gradually.

– Stay hydrated with 8 cups of fluids daily.

– Try other natural remedies like exercise, probiotics, magnesium, herbal teas, and abdominal massage.

– See your doctor if lifestyle remedies don’t resolve chronic constipation.


Pineapples can be part of a healthy, fiber-filled diet to prevent and relieve constipation. Bromelain shows promise for improving digestion and stool consistency. Enjoy fresh pineapple in moderation along with other high fiber fruits and vegetables. Stay hydrated and exercise regularly. If natural remedies aren’t working, see your doctor to get the relief you need. With some dietary and lifestyle adjustments, you can stay regular without reliance on laxatives.

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