What Is Activated Charcoal Used For, and Does it Really Work?

Active charcoal comes in many forms: toothpaste; powders, black-colored ice-cream, or “goth lattes.” On Instagram, it is used as a prop. Medically, activated charcoal is used in emergency hospital settings, typically to absorb drugs after an overdose.

What is activated charcoal said to do?

Proponents contend that activated charcoal is a natural detoxifier of the body that can, for example, remove teeth stains and even work as an anti-aging product. After all, if it can medically detoxify the body of poisons, a smaller dose probably works too, right?

Not necessarily. Just to clarify so no one goes sprinkling charcoal in their latte: Activated charcoal is charcoal that has undergone a process in which gases like oxygen are added at high temperatures, resulting in pores that provide a high surface area that allows it to bind to other substances.

Does activated charcoal do anything?

A review in the British Journal of Clinical Pharmacology in 2015 reported that activated charcoal has pores that soak up fluid. It is often derived from burned organic substances, such as coconut shells (as in coconut ash). Dr. Mark Su, a medical toxicologist and director of the New York City Poison Control Center, said that activated charcoal worked by binding to drugs to prevent absorption in the body.

There are side effects in the emergency department setting, like vomiting or pulmonary aspiration. Activated charcoal also doesn’t work on certain alcohols. Some hospitals prefer not to use it in the emergency department and instead opt for more specific antidotes to poisonings and overdoses.

For the rest of us, our liver and our kidneys do a great job of detoxifying things on a day-to-day basis.

If optimal health is the goal, eating healthfully — plenty of green, leafy vegetables — sleeping at least seven to eight hours a day, exercising at least three times a week at an intensity where you sweat (sweat is detoxifying), reducing stress through mindfulness, journaling, and cultivating community and a strong support network are helpful habits to introduce.

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