GLP-1 Medications and Constipation: What You Need to Know

In recent years, GLP-1 medications have become increasingly popular for both weight management and blood sugar control. Medications such as Ozempic, Wegovy and Mounjaro are helping many people achieve significant improvements in their health.

However, one common side effect that many users experience is constipation.

For some people, it may be mild and temporary. For others, it can become uncomfortable, persistent, and frustrating. Understanding why this happens — and what you can do about it naturally — can make a big difference to your overall wellbeing while using these medications.

Why Do GLP-1 Medications Cause Constipation?

GLP-1 medications work by mimicking a natural hormone in the body called glucagon-like peptide-1. One of their main actions is slowing down how quickly food leaves the stomach. This helps people feel fuller for longer and can reduce appetite significantly.

While this can be beneficial for weight loss and blood sugar regulation, slower digestion can also affect bowel function.

Common reasons constipation may occur include:

• Slower movement of food through the digestive tract
• Reduced appetite leading to lower food intake
• Eating less fibre overall
• Dehydration from eating and drinking less
• Nausea causing reduced fluid intake
• Changes in gut motility and bowel contractions

Many people also report that they simply “forget to eat and drink” because they no longer feel hungry or thirsty in the same way.

Signs Constipation May Be Becoming a Problem

Occasional constipation is common, but ongoing digestive sluggishness should not be ignored.

Symptoms may include:

• Fewer bowel movements than usual
• Hard or dry stools
• Straining or incomplete bowel motions
• Bloating and abdominal discomfort
• Excessive gas
• Feeling heavy or sluggish
• Nausea or reduced appetite worsening further

In severe cases, untreated constipation can lead to haemorrhoids, fissures, or faecal impaction.

How to Support Healthy Bowel Function While Using GLP-1 Medications

1. Prioritise Hydration

One of the simplest and most important strategies is increasing fluid intake.

When food moves more slowly through the bowel, the colon absorbs more water from stool. Without adequate hydration, stools can become dry and difficult to pass.

Aim to:

• Sip water consistently throughout the day
• Include herbal teas or mineral-rich broths
• Increase fluids further if consuming extra fibre

Many people find it easier to drink small amounts regularly rather than large amounts at once.

2. Increase Gentle Fibre Intake

Fibre can help support bowel regularity, but the type of fibre matters.

Very harsh or bulky fibres may worsen bloating or discomfort for some people using GLP-1 medications. Gentle, soluble fibres are often better tolerated.

Foods that may help include:

• Cooked vegetables
• Chia seeds
• Kiwi fruit
• Oats
• Stewed apples or pears
• Ground flaxseed

Introducing fibre slowly is important to avoid excessive gas or cramping.

3. Support the Gut Microbiome

The gut microbiome plays a major role in digestion, stool consistency, and bowel regularity.

Fermented foods such as:

• Sauerkraut
• Kefir
• Natural yoghurt
• Kimchi

may help support healthy gut bacteria.

Some people also benefit from probiotic supplementation, particularly strains that support bowel motility and digestive balance.

4. Keep the Body Moving

Physical movement stimulates the digestive system and can help encourage healthy bowel contractions.

Even light daily activity can make a difference, including:

• Walking
• Gentle stretching
• Swimming
• Yoga

Long periods of sitting can worsen constipation symptoms.

5. Avoid Ignoring the Urge to Go

Because appetite and digestive signals can become altered on GLP-1 medications, some people unintentionally begin ignoring natural bowel urges.

Responding to the urge promptly and creating relaxed bathroom habits can help retrain regular bowel patterns.

Natural Support Options

Some people require additional support while their body adjusts to GLP-1 medications.

A gentle, naturopathically formulated bowel support powder such as Motion Potion may be useful for supporting regularity without relying on harsh stimulant laxatives. Motion Potion contains a blend of soluble fibres, herbs, and beneficial bacteria designed to support comfortable bowel movements and overall digestive health.

Ingredients such as slippery elm, marshmallow root, psyllium husk, and probiotics may help:

• Support stool softness
• Encourage healthy bowel movements
• Soothe the digestive tract
• Support beneficial gut bacteria

For many people, gentler long-term support options are preferable to stronger laxatives that may lead to dependency or irritation over time.

When to Seek Medical Advice

While constipation is common with GLP-1 medications, severe or persistent symptoms should always be discussed with a healthcare professional.

Seek medical advice if you experience:

• Severe abdominal pain
• Vomiting
• No bowel movement for several days
• Blood in stool
• Significant bloating or distension
• Symptoms worsening rapidly

Your prescribing doctor may need to adjust dosage, assess hydration and nutrition, or rule out other complications.

Final Thoughts

GLP-1 medications are helping many people improve metabolic health and achieve sustainable weight loss, but digestive side effects are extremely common — especially constipation.

The good news is that bowel health can often be supported naturally through hydration, gentle fibre, movement, microbiome support, and appropriate digestive care.

Paying attention to gut health early can help make the experience of using GLP-1 medications far more comfortable and sustainable.

Note from the Author: Mark Gavins (Naturopath)

Over the past 12 months, we have seen a significant increase in customer calls regarding GLP-1-related constipation. Many people are experiencing digestive discomfort, bloating, sluggish bowels, and difficulty maintaining regularity after starting medications such as Ozempic, Wegovy, and Mounjaro.

In many cases, people are surprised by how much these medications can slow digestion and affect overall gut function. While the medications can be incredibly beneficial for blood sugar balance and weight management, supporting bowel health at the same time is extremely important for comfort, long-term compliance, and overall well-being.

At Motion Potion, we have spoken with many customers looking for gentler, more natural ways to support regularity without relying on harsh stimulant laxatives. For those wanting to see whether Motion Potion may be suitable for them, we offer convenient 5-day trial sachets for just $6.00, with Australia-wide postage available for $2.50.

This allows people to trial the product gradually and see how their body responds before committing to a full-size tub.
Grab yours today here