Arrowroot Drug Interactions, Uses, Effectiveness, Safety & More

Arrowroot is a starchy powder taken from the roots (rhizomes) of certain tropical plants, most commonly Maranta arundinacea. This plant is native to South America and the Caribbean and is also grown in other warm parts of the world.

To make arrowroot, the roots are washed, pulped, and the starch is separated out and dried into a fine, white powder. It is best known as a thickening agent in cooking, used in sauces, puddings, and gluten-free baking. It also shows up in some baby foods, snacks, and cosmetic products like powders and lotions.

Because it is light and easy to digest, arrowroot has a long history in traditional and home remedies, especially for soothing the stomach and helping with diarrhea.

Arrowroot is mostly starch, which is a type of carbohydrate. As a thickener, it absorbs water and forms a smooth gel, which is why it is used in cooking and may give a soothing, coating feel in the gut.

Some of its starch is harder to break down quickly and may act somewhat like a fiber, possibly affecting how the gut works and feeding helpful gut bacteria. It also contains small amounts of nutrients such as B vitamins, potassium, and other minerals.

It is important to know that these proposed effects are mostly based on its general properties as a starch and on laboratory or traditional observations, not on robust human studies showing it treats specific diseases.

As a food, arrowroot starch is generally considered safe and is well tolerated by most people, including in baby foods. It is naturally gluten-free, which makes it a popular choice for people with celiac disease or gluten sensitivity.

Because it is mostly carbohydrate, people with diabetes should count it as a starch and watch their blood sugar. Anyone with a known allergy to arrowroot or related plants should avoid it.

For pregnancy and breastfeeding, arrowroot eaten as a normal food is likely fine, but there is not enough reliable information about using concentrated supplements or medicinal amounts. To be safe, pregnant and breastfeeding women should use caution and check with their doctor or pharmacist before using arrowroot as a remedy.

Arrowroot is usually well tolerated. When side effects happen, they are mild and digestive in nature, such as gas, bloating, or stomach discomfort, especially if eaten in large amounts.

Allergic reactions are rare but possible. Stop using it and seek medical help if you notice signs such as rash, itching, swelling, or trouble breathing.

There is no official or standardized medicinal dose for arrowroot. In cooking, it is used in small amounts as a thickener, and there is no established "therapeutic" dose proven to treat any condition.

If you are using a packaged arrowroot product or supplement, follow the directions on the label. When in doubt about how much to use or whether it is right for your situation, check with your pharmacist or doctor.