Common charcoal is made from peat, coal, wood, coconut shell, or petroleum. Bamboo Charcoal benefits environmental protection by reducing pollutant residue. It is an environmentally functional material featuring excellent absorption properties.“Activated charcoal” is similar to common charcoal, but is made especially for use as a medicine. To make activated bamboo charcoal, manufacturers heat common charcoal in the presence of a gas that causes the charcoal to develop lots of internal spaces or “pores.” These pores help activated charcoal “trap” chemicals. No Caffeine, No Chemical Additives. No Food Color, No Antiseptic.