Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worst decision I ever made

I completed 3 bottles of primal defense back in 2009. I was not sure what to expect, but know this, this stuff began feeding on my insides. I only tried it because it said it worked for Chron's/IBS, etc. Soil organisms do not die easily. There have been reports that they turn into harmful peptides in the blood stream. These tragic events don't start until you completely stop taking it. I am sure the maker of this product is aware of this. I challenge everyone using this product to research every strain on the bottle, individually. Gain knowledge of each and what type of effect it has on the body. It took 3 years for me to get out of the danger zone because of this stuff. It totally destroyed my intestines. I want to save as many lives as possible and prevent someone from going down the road I traveled. Please do your research. God bless!