No, this is not the same charcoal you use to cook on your grill. While it’s similar, there is a distinct difference. WebMD.com explains:

“Common charcoal is made from peat, coal, wood, coconut shell, or petroleum. ‘Activated charcoal’ is similar to common charcoal, but is made especially for use as a medicine. To make activated charcoal, manufacturers heat common charcoal in the presence of a gas that causes the charcoal to develop lots of internal spaces or ‘pores.’ …