Maltodextrin

What Is Maltodextrin?

Highly processed starch derived from corn, rice, or potato. Used as filler and binder in soft chews and supplements.

Compare to Similar Ingredients

• vs. tapioca starch: Both are refined starches used as cheap fillers. Maltodextrin is more processed and has a higher glycemic index, while tapioca starch is less refined but still lacks nutrition.
• vs. corn starch: Maltodextrin is highly processed starch broken down into shorter chains, while cornstarch is less processed. Both are empty carbs with zero nutritional value used as cheap fillers.
• vs. dried sweet potatoes: Sweet potato is a whole food carbohydrate with fiber, vitamins, and antioxidants. Maltodextrin is a refined, processed starch with zero nutrition. Sweet potato is vastly superior.

Why Manufacturers Add Maltodextrin to Dog Food

Maltodextrin is a highly processed starch derivative used as a cheap binder and filler in soft dog treats and chews—it provides rapid-digesting carbohydrates with minimal nutritional value and high glycemic impact, primarily serving as a cost-effective carrier for other ingredients.

• Cheap filler to add bulk
• Binds ingredients in soft chews
• Improves palatability and texture

Maltodextrin Quality Considerations

When evaluating maltodextrin in dog products, it's important to understand functional purpose, safety testing, and nutritional contribution. Maltodextrin has a glycemic index of 85-105 — higher than table sugar — which is relevant for diabetic dogs or those prone to weight gain. As a carrier or anti-caking agent in trace amounts it's inconsequential, but as a primary carbohydrate source it's one of the highest glycemic options available.

Maltodextrin: What the Research Shows

Function and Purpose

Primary Function: Easily digestible carbohydrate used as filler, binder, and energy source

Nutritional Profile and Composition

Maltodextrin is a polysaccharide produced from enzymatic hydrolysis of starch (typically corn, rice, or potato). The process breaks starch into shorter glucose chains with varying lengths, creating a powder that dissolves easily and provides rapid-absorbing carbohydrates. Its dextrose equivalent (DE) typically ranges from 3-20, indicating degree of hydrolysis.

Maltodextrin is nearly tasteless, highly soluble, and has minimal sweetness despite being composed of glucose chains. In supplements and treats, it serves as a binder, bulking agent, and quick energy source. It's rapidly digested and absorbed, causing relatively quick blood glucose elevation.

Efficacy and Research

As a functional ingredient, maltodextrin effectively serves as a binder in tablets and soft chews, improves powder flow in manufacturing, and provides easily digestible carbohydrates. However, its nutritional value is limited—it provides calories (4 per gram) without vitamins, minerals, or fiber.

The rapid absorption can be beneficial for working dogs needing quick energy or convalescing animals requiring easily digestible calories. However, for diabetic dogs or those prone to weight gain, maltodextrin's high glycemic impact is problematic. It's essentially a processed starch with nutritional characteristics similar to sugar.

Maltodextrin on the Label

How It Appears on Labels

Maltodextrin's glycemic index (85-105) is higher than table sugar — as a carrier or anti-caking agent in trace amounts it's inconsequential, but as a primary carbohydrate source it's one of the highest glycemic options in pet food. Label position relative to other carbohydrates indicates which scenario applies. Common label names:

• maltodextrin
• corn maltodextrin
• rice maltodextrin
• modified food starch

Positioning and Context

Common in treats, soft chews, and powdered supplements; positioning varies widely

Quality Indicators

Signs of quality sourcing and use:

• Source specified (corn, rice, potato)
• Used in small amounts for functional purposes
• Non-GMO certification for corn sources
• Appropriate for high-energy or recovery products

Red Flags

Potential concerns to watch for:

• Listed in top 5 ingredients (suggests filler use)
• In diabetic or weight management products (inappropriate)
• Generic 'maltodextrin' without source
• Primary carbohydrate in treats (suggests low nutritional value)

Frequently Asked Questions

Related Reading

Learn more: Fillers in Dog Supplements: What to Avoid · Dog vs Human Nutrition: Absorption Differences · Dog Supplement Formats Compared: Powders, Soft Chews, and Air-Dried