Lactitol

SweetenersCAS: 585-86-4

This is what the ingredient is.

Lactitol is a sugar alcohol derived from lactose, providing about 40% of the sweetness of sugar.

Here is why it shows up on the label.

Used as a low-calorie sweetener and bulk provider in sugar-free products. Has prebiotic effects.

Here is what food agencies say.

The FDA lists it as Generally Recognized as Safe. European food agencies allow it (E966). It is permitted in many countries worldwide.

Here is what research has found.

Low glycemic impact. Prebiotic effects. an FAO/WHO expert committee confirms safety. Does not promote tooth decay.

Here are a few things worth knowing.

May cause GI effects (gas, bloating, laxative effect) at high doses. Derived from lactose - check for dairy allergies.

Sources

  • FDA CFR 21
  • EFSA Scientific Opinion
  • JECFA Monograph

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