Polydextrose

ColorantsCAS: 68424-04-4

This is what the ingredient is.

Polydextrose is a synthetic polymer of glucose used as a low-calorie bulking agent and fiber substitute.

Here is why it shows up on the label.

Provides bulk and texture in reduced-calorie foods without sugar or fat. Acts as fiber and prebiotic.

Here is what food agencies say.

The FDA lists it as Generally Recognized as Safe. European food agencies allow it. Recognized as dietary fiber in many countries.

Here is what research has found.

Only 1 calorie per gram. Prebiotic effects supporting gut bacteria. an FAO/WHO expert committee confirms safety.

Here are a few things worth knowing.

May cause gastrointestinal effects (gas, bloating) when consumed in large amounts. Start with small amounts.

Sources

  • FDA CFR 21
  • EFSA Scientific Opinion
  • Journal of Nutrition

How to read this page

We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.

v1.0Updated 9/12/2026