Time tested for over 3,000 years, charcoal has millions of tiny pores that can capture, bind and remove toxins that cause intestinal gas, bloating and indigestion. Bulletproof Upgraded Charcoal uses a finer charcoal than is normally available, and is completely washed to remove heavy metal contamination common in charcoal. Supports detoxification, can also be used as a toothpaste to whiten teeth.