Activated Charcoal

ColorantsCAS: 7440-44-0

This is what the ingredient is.

Activated charcoal is a form of carbon processed to be highly porous. Used as a colorant and marketing ingredient.

Here is why it shows up on the label.

It works as a black colorant and marketed health ingredient. Used in ice cream, bread, and beverages.

Here is what food agencies say.

The FDA notes: Not approved as food additive; enforcement discretion for colorant use. Sold as supplement.

Here is what research has found.

Adsorbs substances in digestive tract. May interfere with medication absorption. Trendy food ingredient.

Here are a few things worth knowing.

Can interfere with medications and nutrient absorption. Take 2+ hours apart from medications. Not FDA-approved as food additive.

Sources

  • FDA
  • Pharmacology Research

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