Althea

45 foods contain this ingredient

Herb

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About Althea

Althea, better known as marshmallow root, is a botanical added to some pet products for its gel-like mucilage content rather than for nutrition.

Althea (marshmallow root, Althaea officinalis) is used in pet foods and supplements primarily as an herbal demulcent and source of mucilaginous soluble fiber to help soothe mild irritation of the digestive and respiratory mucosa, rather than as a nutrient-dense protein or calorie source. It may offer gentle symptomatic support for GI or throat discomfort, but evidence is limited and it can interfere with the absorption of oral medications; use products from reputable manufacturers and consult your veterinarian—particularly for pets on other drugs or those that are pregnant or nursing.

Related ingredients

Althea Root

Derived from: root of the marshmallow plant, Althaea officinalis
Primary role: mucilage-rich soothing herb

Why it's used

Marshmallow root contains a thick, gel-like mucilage that coats and cushions irritated tissue, which is why integrative veterinary formulas include it for supporting the stomach, intestinal lining, or urinary tract. It contributes negligible protein, fat, or vitamins and is included for this coating action rather than as a nutrient source.

Common concerns

Drug absorption interference Because the mucilage coats the gut lining, it can slow or reduce the absorption of orally given medications, so marshmallow root is commonly spaced apart from other drugs if a pet is on them.
Standardization and limited veterinary research Marshmallow root is used in small amounts as an adjunct, though the mucilage concentration of commercial preparations is not consistently standardized and varies between products, and much of its documented pharmacology comes from human herbal medicine literature rather than controlled studies in dogs or cats, so veterinary guidance is recommended for any therapeutic rather than incidental use.
Confusion with marshmallow candy Commercial marshmallow candy contains added sugars and sometimes xylitol or other additives unrelated to the herbal root and is a separate consideration from the botanical ingredient.

Also relevant

Veterinary integrative medicine references note that herbal products, including demulcents like marshmallow root, can alter plasma concentrations of co-administered pharmaceuticals through mechanisms beyond simple gut coating, which is one reason spacing herbal products from prescription medications is commonly recommended.

3 sources cited

Common Questions

What category is Althea?

Althea is categorized as a herb ingredient in the KibbleLab database.

Is Althea part of an allergen group?

No allergen group is linked to Althea in the KibbleLab database.

Which foods contain Althea?

45 foods in the KibbleLab database contain Althea, including Orijen.

Foods with Althea

Alphabetical by brand. Scores run 0 to 10, higher is better, on published veterinary science.