An accumulation of toxins may become poisonous in the human body, which may lead to potential damage of vital organs and systems. Considering that these toxins enter our body by ingestion , inhalation and absorption , the risk of toxic overload is a common concern. Internally, autointoxication is process where the toxins are produced by your own body as a result of poor digestion and elimination. The Clean 9 is a 9-day detox diet claimed to cause fast weight loss. It is based on meal replacement shakes and weight loss supplements.