Activated charcoal works by trapping toxins and chemicals in the gut, preventing their absorption ( 2 ). The charcoal's porous texture has a negative electrical charge, which causes it to attract positively charged molecules, such as toxins and gases.

How long does it take for activated charcoal to work?

So, the sooner activated charcoal is taken after swallowing the drug or poison, the better it works—generally within 30 to 60 minutes. The toxic molecules will bind to the activated charcoal as it works its way through your digestive tract, and then they will leave your body together in your stool.

How does it work activated charcoal?

How does activated charcoal work? Activated charcoal binds to toxins and chemicals to keep your body from absorbing them. Adsorption occurs when molecules of a substance adhere to a surface – a different process than absorption, where a substance is permeated or dissolved by another.