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Researchers at the University of Guelph used DNA barcode testing to test 44 herbal products from 12 companies. DNA barcoding uses a short sequence of DNA from a standard segment in plants to identify the species rapidly and accurately.
"Product substitution occurred in 20/44 of the products tested and only 2/12 companies had products without any substitution, contamination or fillers," Steven Newmaster, an integrative biology professor at the University of Guelph and his co-authors concluded in Friday's issue of the journal BMC Medicine.
"Some of the contaminants we found pose serious health risks to consumers."
reply to post by virraszto
I neither have time nor place to grow my own. I live in different parts of the world during the year. But I guess that can work for many people.
I strayed away from that stuff anyway. I never felt like it worked. It seemed like waisted money on the stuff for the results I got which was zero.