Taken orally, these fine black granules have an amazing ability to extract and neutralize many more times their own weight in gases, heavy metals, toxins, poisons and other chemicals.  Recommended only to stay on for a month for those who want to quickly remove Nicotine, unwanted drug use, radiation, chemo, poison then use our Zeolite for life to maintain a daily cleansing of your blood & liver of daily toxins in our air, food & soils.  Warning: Charcoal can decrease your body's absorption of certain nutrients and also interfere with medications.