Directions 2 enteric coated tablets after eating as needed but do not exceed 20 tablets per day. Swallow the tablets whole. Do not chew. Warnings If you are taking medication, consult your physician as the adsorptive capacity of activated charcoal may interfere with absorption of medications. Allow an interval of one hour between ingestion of this product and ingestion of any medication. Activated charcoal may cause darkening of the stool. Active Ingredients Per Tablet: