Activated charcoal

ABOUT CHARCOAL: IT IS VERY IMPORTANT TO AVOID PUBLISHING INACCURATE INFORMATION, AS IT CAN MISLEAD PEOPLE AND DAMAGE THE SENDER’S CREDIBILITY.

How activated charcoal works

Activated charcoal has a very large surface area and binds many substances in the gut. That’s why it’s used in poisoning cases—it can adsorb drugs or toxins when they’re absorbed into the bloodstream.

Effect on vitamins and minerals

* Fat-soluble vitamins (A, D, E, K): Evidence suggests charcoal can absorb them, but when used in HIGH-DOSE MEDICAL USE.

* Water-soluble vitamins (B group, C): They’re less strongly bound, but some adsorption can still occur.

* Minerals (iron, calcium, magnesium, etc.): Charcoal has low affinity for inorganic ions, so binding is weaker compared to organic molecules and toxins.

* Dose & frequency: Low-dose use (e.g., for bloating) is unlikely to cause major nutrient depletion. Daily long-term use at HIGH DOSES could interfere with vitamin absorption.

Interaction With Medications and Supplements

Activated charcoal is non-selective. It may reduce the effectiveness of:

• Antibiotics

• Antivirals

• Hormonal medications

• Vitamins and supplements

• Other prescription drugs

For this reason, charcoal should be taken within a two-hour window before or after medications and supplements to avoid interference with absorption.

Bottom line

* The risk is significant only with frequent, long-term, or high-dose use  - dose 25–100 g (yes, grams, not milligrams) given once or repeated

Dr. Ken Alibek,

MD, PhD, ScD