Arrowroot
Maranta arundinacea
Arrowroot is a gentle starch traditionally used as an easy-to-digest food for sensitive stomachs and recovery diets.
Primary Use
Supports bland-diet digestion
Common Forms
Powdered
Typical Dose
1-2 tablespoons per serving in food
Time to Effect
2-4 weeks
Overview
Arrowroot is a tropical starch extracted from the rhizome of Maranta arundinacea and related plants. Historically, it has been used as a soothing food for people recovering from digestive upset, weakness, or illness. Because it is bland, light, and relatively easy to digest, it became a common ingredient in convalescent foods, porridges, and simple puddings.
Modern use of arrowroot is primarily culinary, especially in gluten-free cooking and as a thickener. Its main wellness value comes from its gentleness rather than any dramatic pharmacology. It can be useful when the digestive system needs simpler foods or when a neutral binder is preferred.
Arrowroot is best understood as a supportive food remedy. It does not treat underlying disease, but it can be helpful in periods when digestive simplicity matters.
How It Works
Arrowroot is composed mainly of starch, with small amounts of minerals and minimal fiber compared with whole foods. Its texture and digestibility make it suitable for bland diets and soothing preparations.
In plain language, arrowroot works by being easy on the stomach. It provides simple carbohydrate energy without much digestive burden, which can be useful during recovery from mild digestive strain.
What It's Used For
Supports bland-diet digestion
Arrowroot is easy to digest and often used during periods of stomach sensitivity. This is more a practical dietary benefit than a strongly studied medicinal effect.
Useful in recovery foods
Because of its neutral flavor and soft texture, arrowroot is helpful in simple foods for people recovering from illness or digestive upset. This is a traditional food use.
Provides a gluten-free thickener
Arrowroot is a practical substitute for wheat-based thickeners in sensitive diets. While not a therapeutic claim, it supports flexible meal planning for people with dietary restrictions.
Dots indicate strength of research evidence (5 = strongest)
Disclaimer: This information is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider before starting any new supplement, especially if you have a medical condition or take medications.
Last updated: March 2026