Ingredient Guide

What Is Erythritol?

Erythritol is a sugar alcohol used to reduce sugar and calories while maintaining sweetness, but overall formula quality still matters more than a single ingredient.

5 min readUpdated 3/22/2026

Sweetness role

Sugar replacement

Brands often pair erythritol with other sweeteners to reach a target taste profile.

Calories

Very low

It is typically used when formulas aim to lower total calories and listed sugar.

Where found

Bars and powders

Most common in products marketed as low sugar, keto, or reduced-calorie options.

Quick answer

Erythritol is a low-calorie sweetener used in packaged foods to provide sweetness with less sugar. In protein products, it often appears in formulas trying to stay sweet while controlling calories.

Its presence alone does not determine product quality. You still need to evaluate the full nutrition panel and ingredient stack.

Why brands use it

Protein products often need sweetness to improve repeatability and reduce chalky or bitter notes. Erythritol can help brands improve palatability without relying on full-sugar formulas.

  • Supports lower-sugar product positioning.
  • Pairs with other sweeteners for balanced taste.
  • Common in keto and reduced-calorie formulations.

How to evaluate products containing erythritol

Compare protein-per-calorie and total formula composition, not just sweetener headlines.

A lower-sugar label can still hide tradeoffs if calories, texture agents, or flavor systems are not aligned with your goals.

Common questions

Frequently asked questions

Is erythritol automatically a sign of a healthy product?

No. Ingredient quality is contextual. Evaluate the complete label, serving size, and overall nutrition profile before deciding.

Why do products combine erythritol with other sweeteners?

Sweetener blends are common because brands tune flavor, aftertaste, and texture by combining multiple ingredients.