May 27, 2025

The Science Behind Marshmallow Root Extract

By Aditi Tibarewala

Nutritionist, Diabetes Educator

What is Marshmallow Extract?

Nope, we’re not talking about the squishy treat you roast over a campfire. Marshmallow extract actually comes from the root of the Althaea officinalis plant, which belongs to the Malvaceae family and is native to Central Asia.

For centuries, its roots, flowers, and leaves have been used in traditional herbal medicine to soothe a range of concerns, from digestive discomfort to throat irritation.

Marshmallow root is rich in mucilage, a gel-like substance that forms a protective coating over the mucous membranes of the digestive tract. This coating helps to soothe irritation and inflammation, providing relief from conditions like acid reflux, gastritis, and ulcers.

How does Marshmallow Extract work?

Marshmallow root is rich in phytochemicals, natural plant compounds that support health in multiple ways. Some of the key players include:

Phytosterols – plant-based molecules that help reduce inflammation.
Flavonoids – antioxidants that protect cells and support tissue repair.
Polysaccharides – long-chain sugars that form a soothing, gel-like coating.

Together, these compounds create a protective layer over irritated or inflamed tissues. Think of it like a soothing balm for your digestive tract, calming, coating, and helping it heal from the inside out.

And here’s the cool part, the intestinal wall has multiple layers, with the innermost mucosal layer playing a key role in nutrient absorption and immune function. Marshmallow root’s mucilage helps maintain and protect this layer, crucial for a healthy, well-functioning gut.

This action helps ease symptoms like acid reflux, bloating, leaky gut and gut irritation, while also supporting the integrity of the gut lining, essential for proper nutrient absorption and immune health.

Benefits of Marshmallow Extract

Here’s how Marshmallow Root supports a healthier gut:

Soothes inflammation
Marshmallow root contains flavonoids and other compounds that exhibit anti-inflammatory effects. These compounds help reduce inflammation in the digestive tract, which is beneficial in managing conditions like inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS).
Supports gut lining integrity

The mucilage in marshmallow root not only soothes but also supports the integrity of the gut lining. By forming a protective barrier, it helps maintain the mucosal layer, which is essential for proper digestion and absorption of nutrients .

Relieves constipation
Marshmallow root's mucilage content can help soften stools and promote regular bowel movements. This makes it useful in alleviating constipation and promoting overall digestive health.
Reduces acid reflux and bloating
Coating the esophagus and stomach lining helps reduce irritation caused by stomach acid and digestive discomfort.
Promotes antioxidant protection
The presence of phenolic compounds in marshmallow root contributes to its antioxidant properties. These compounds help neutralize free radicals, reducing oxidative stress and protecting the digestive tissues from damage.
May support leaky gut recovery
By supporting the integrity of the gut lining and reducing inflammation, marshmallow root may play a role in managing leaky gut syndrome, a condition characterized by increased intestinal permeability.

Usage and dosage recommendations

Marshmallow root is available in several forms, each with its own suggested usage:

Capsules: Typically, adults may take 2 capsules twice daily with food or water .
Teas: Prepare by steeping 2 tablespoons of dried root in 500ml of boiling water for 3 to 5 minutes. Consume this infusion three times a day between meals .

Recommended Dosage

While doses vary by brand and formulation, marshmallow extract is typically used in the range of:

300–500 mg per serving (when part of a blend)
3–6 grams daily (if taken in powder form)

Potential Side Effects & Safety

Marshmallow extract is generally safe and well-tolerated when taken in recommended doses. But here are a few things to keep in mind:

For best results, take it before meals with water and yes, stay hydrated!
If you’re pregnant, breastfeeding, or trying to conceive, be sure to consult your doctor before use.

Scientific Research on Marshmallow Extract

The science is promising:

Studies show marshmallow root reduces inflammation in the digestive tract and may help with gastritis and mild ulcers.
Emerging research also points to its potential in gut lining repair, especially when combined with gut-friendly nutrients.

Final Thoughts: Should You Consider Marshmallow Root Extract?

If you’re looking for a natural way to soothe your digestive system and support gut health, marshmallow root extract might be just what you need. It works best alongside a balanced diet, plenty of fiber, and staying well-hydrated.

Curious to learn more or ready to try marshmallow root extract? Explore trusted products and start your journey to better digestive comfort today!

FAQs: You Asked, We Answered!

1. What is marshmallow root extract used for?

Marshmallow root extract is known for soothing the digestive and respiratory tracts. Its mucilage forms a protective coating, helping with sore throats, dry coughs, acid reflux, and gut lining support.

2. Who should avoid marshmallow root?

Avoid during pregnancy, breastfeeding, or with medications unless advised.

3. What are the side effects of taking marshmallow root?

Marshmallow root is generally safe but may reduce the absorption of some medications. Always follow dosage guidelines and consult your healthcare provider if unsure.

4. Is marshmallow root good for your stomach?

Absolutely. Marshmallow root is known for its soothing effects on the stomach lining. It helps support gut health by coating the digestive tract, reducing irritation, and promoting a healthier barrier in the gut lining, especially useful for leaky gut or gastritis-like symptoms.

5. Is marshmallow root good for constipation?

Marshmallow root isn’t a laxative, but it may help with occasional constipation by soothing inflammation in the intestines and improving mucus production, which can support smoother bowel movements. It’s more commonly used for comfort than for stimulating bowel function.

6. Is marshmallow root good for GERD?

Yes, many people use marshmallow root to ease symptoms of acid reflux or GERD. Its mucilage coats the esophagus and stomach lining, potentially reducing the burning sensation and irritation caused by stomach acid. For best results, it’s often taken between meals.