Source Naturals Activated Charcoal 100% Pure 100 Capsules 260 mg Activated charcoal is used within the digestive tract. This charcoal has been treated to increase its ability to adsorb (attract and hold to its surface) gases, liquids, and dissolved substances. Suggested Use: 2 capsules, preferably after meals, up to 3 times daily, at first sign of internal imbalance. Take for no more than 3 consecutive days.