# Mallow (Malva sylvestris)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/mallow
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** European
**Also Known As:** Malva sylvestris, Common mallow, High mallow, Blue mallow, Cheese plant, Malva, European mallow, Wild mallow

## Overview

Mallow (Malva sylvestris) contains mucilage polysaccharides that provide demulcent and [anti-inflammatory](/ingredients/condition/inflammation) effects by forming protective films on mucous membranes. Clinical research demonstrates its efficacy for treating constipation and chemotherapy-induced oral mucositis.

## Health Benefits

• Relieves functional constipation - RCT (n=50) showed significant increases in defecation frequency and reduced hard stools with 1g/day flower extract (Strong evidence, PMID: 25801702)
• Reduces chemotherapy-induced mouth sores - RCT (n=70) found mallow mouthwash significantly lowered stomatitis and pain scores by day 7 compared to chlorhexidine (Moderate evidence, PMID: 41184820)
• May improve pediatric atopic dermatitis - Double-blind RCT (n=51) tested topical cream in children, though specific outcomes not detailed (Preliminary evidence, PMID: 33100212)
• Demonstrates anti-cancer properties in vitro - Flower extract upregulated tumor suppressor genes and increased phosphorylated CDK2 in colon cancer cell lines (Preliminary evidence, PMID: not specified)
• Traditional [anti-inflammatory](/ingredients/condition/inflammation) support - Historical use for wounds and inflammation, with some modern cellular studies showing anti-inflammatory effects (Traditional evidence)

## Mechanism of Action

Mallow's mucilage polysaccharides form protective hydrogels that coat and soothe irritated mucous membranes while increasing stool bulk and water retention. The flavonoids and phenolic compounds modulate inflammatory pathways by inhibiting [pro-inflammatory cytokine](/ingredients/condition/inflammation)s like TNF-α and IL-6. These combined actions provide both mechanical protection and biochemical anti-inflammatory effects.

## Clinical Summary

A randomized controlled trial with 50 participants demonstrated that 1g daily of mallow flower extract significantly increased defecation frequency and reduced hard stool formation in functional constipation. Another RCT involving 70 cancer patients showed mallow mouthwash significantly reduced chemotherapy-induced stomatitis severity. The evidence is strongest for digestive and oral health applications, though more large-scale studies are needed to confirm optimal dosing protocols.

## Nutritional Profile

{"macronutrients": {"fiber": "Approximately 11.2 g per 100 g of dried leaves", "protein": "Around 5.2 g per 100 g of dried leaves"}, "micronutrients": {"vitamin_C": "About 18 mg per 100 g of fresh leaves", "vitamin_A": "Approximately 1600 IU per 100 g of dried leaves", "calcium": "Around 330 mg per 100 g of dried leaves", "iron": "Approximately 4.8 mg per 100 g of dried leaves"}, "bioactive_compounds": {"mucilage": "High content, contributing to soothing properties", "anthocyanins": "Present, contributing to [antioxidant activity](/ingredients/condition/antioxidant)"}, "bioavailability_notes": "The bioavailability of calcium and iron may be influenced by the presence of oxalates and phytates in the plant, which can inhibit absorption. Vitamin C content can enhance iron absorption."}

## Dosage & Preparation

Oral syrup: 1g/day aqueous flower extract for constipation (4 weeks). Mouthwash: 15ml, 3 times daily for stomatitis (14 days). Topical cream: fingertip unit applied twice daily for atopic dermatitis (4 weeks). Food supplement forms showed benefits within 10-20 days at unspecified doses. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Mallow is generally well-tolerated with minimal reported adverse effects in clinical studies. The mucilage content may potentially delay absorption of oral medications, so timing separation of 2-4 hours is advisable. No significant drug interactions have been documented, but individuals with known allergies to Malvaceae family plants should exercise caution. Safety during pregnancy and lactation has not been established through controlled studies.

## Scientific Research

Clinical evidence includes a randomized placebo-controlled trial (n=50) showing mallow flower extract syrup significantly improved constipation symptoms (PMID: 25801702), and a triple-blind RCT (n=70) demonstrating superiority to chlorhexidine for chemotherapy-induced stomatitis (PMID: 41184820). A pediatric atopic dermatitis trial (n=51) and questionnaire-based constipation survey provide additional support (PMIDs: 33100212, 39796510).

## Historical & Cultural Context

Mallow has been widely used in Mediterranean and European traditional medicine for centuries, treating both external conditions like wounds and inflammation, and internal issues including respiratory and gastrointestinal complaints. It continues to be employed in Iranian traditional medicine, particularly as a laxative and [anti-inflammatory](/ingredients/condition/inflammation) agent.

## Synergistic Combinations

Psyllium husk, Senna, Cascara sagrada, Marshmallow root, Slippery elm

## Frequently Asked Questions

### What is the recommended dosage of mallow for constipation?

Clinical research supports 1g daily of mallow flower extract for functional constipation. This dosage showed significant improvements in defecation frequency and stool consistency in a 50-person randomized trial.

### How long does mallow take to work for digestive issues?

Mallow's mucilage begins forming protective films within hours of consumption, but clinical improvements in constipation typically occur within 3-7 days of consistent use. The mechanical bulking action provides relatively rapid onset compared to other herbal remedies.

### Can mallow interact with prescription medications?

Mallow's high mucilage content may theoretically delay absorption of oral medications by forming a coating in the digestive tract. Taking medications 2-4 hours apart from mallow supplements minimizes this potential interaction.

### Is mallow safe during chemotherapy treatment?

Clinical evidence shows mallow mouthwash safely reduced oral mucositis in 70 cancer patients undergoing chemotherapy. However, patients should always consult their oncologist before adding any supplements during active cancer treatment.

### What parts of the mallow plant are used medicinally?

Both mallow flowers and leaves contain therapeutic mucilage polysaccharides, with flowers typically having higher concentrations. Clinical studies have used flower extracts specifically, though traditional preparations often include both plant parts.

### What does clinical research show about mallow for chemotherapy-related mouth sores?

An RCT with 70 participants found that mallow mouthwash significantly reduced chemotherapy-induced stomatitis (mouth sores) and associated pain by day 7, performing comparably to chlorhexidine rinse. This moderate-strength evidence suggests mallow may be a natural alternative for managing oral mucositis in cancer patients. However, patients should consult their oncology team before using mallow alongside chemotherapy treatments.

### Is mallow safe for children and elderly individuals?

Mallow is generally considered safe for both children and elderly populations due to its mild mucilage content and long history of traditional use as a demulcent. However, children with swallowing difficulties should avoid mallow due to its mucilage coating properties, and elderly individuals on multiple medications should consult a healthcare provider about potential interactions. Dosage adjustments may be appropriate for very young children or those with compromised kidney function.

### Which form of mallow is most effective—dried flowers, leaf extract, or mouthwash?

Clinical evidence shows mallow flower extract (1g/day) is most studied for constipation relief, while mallow mouthwash formulations have demonstrated efficacy for chemotherapy-induced stomatitis. Dried flowers and leaves work as mild demulcents suitable for teas, though standardized extracts provide more consistent dosing. The best form depends on your intended use: oral supplements for digestive support or topical rinses for oral health.

### Is mallow (Malva sylvestris) the same as marshmallow root?

Mallow (Malva sylvestris) and marshmallow root (Althaea officinalis) are related but distinct plants from the Malvaceae family, and they are not the same ingredient. Both contain mucilage polysaccharides that coat and soothe mucous membranes, which is why they share overlapping uses for throat, digestive, and skin complaints. However, marshmallow root generally has a higher mucilage concentration, and the two plants differ in their specific polysaccharide profiles and secondary phytochemicals.

### Can mallow help with sore throat or cough?

Mallow's mucilage polysaccharides form a viscous, protective film over the mucosal lining of the throat, physically reducing irritation and suppressing the cough reflex by shielding sensory nerve endings from stimuli. This demulcent action is well-supported mechanistically, and mallow has a long history of traditional use in Europe for upper respiratory tract irritation. While robust clinical trials specifically for sore throat are limited, the European Medicines Agency (EMA) recognises mallow leaf and flower for traditional use in relieving oral and throat irritation.

### What are the main active compounds in Malva sylvestris?

The primary bioactive constituents of Malva sylvestris are mucilage polysaccharides — including glucuronoxylans and acidic heteroglycans — which are responsible for its demulcent and protective effects on mucous membranes. The plant also contains flavonoids such as malvin and gossypin, phenolic acids, and anthocyanin pigments that contribute anti-inflammatory activity by inhibiting pro-inflammatory mediators including TNF-α and IL-6. Tannins present in the leaves add mild astringent and antimicrobial properties, broadening its therapeutic profile.

### Are there any known side effects or drug interactions with mallow?

Mallow is generally considered well-tolerated, and adverse effects reported in clinical studies have been mild and infrequent, including minor gastrointestinal discomfort in sensitive individuals. Because mucilage can form a physical coating along the gastrointestinal tract, there is a theoretical risk that it may slow the absorption of orally administered medications if taken simultaneously; it is therefore advisable to separate mallow supplements from pharmaceutical drugs by at least two hours. Individuals with known allergies to plants in the Malvaceae family should exercise caution, and pregnant or breastfeeding women should consult a healthcare provider before use.

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