2 Botulinum A Toxin: Food Poison or Wrinkle Remover? 。 Botulinum A toxin is: produced by the bacterium Clostridium botulinum the most potent known biologic neurotoxin a neuromuscular agent;inhibits acetylcholine release a drug administered by intramuscular injection marketed as BOTOX® OSU 0regomstate Botulinum A Toxin: Food Poison or Wrinkle Remover? • Botulinum A toxin is: • produced by the bacterium Clostridium botulinum • the most potent known biologic neurotoxin • a neuromuscular agent; inhibits acetylcholine release • a drug administered by intramuscular injection • marketed as BOTOX®