Walmart, GNC, Walgreen and Target herbal supplements may be contaminated with fraudulent and/or unlisted ingredients.
Some of these cheap fillers could also put people with certain food allergies at risk!
This is the major issue! They may not but in the the herbs they claim on the bottle, even more disturbing is they found certain allergens used as fillers. This puts the public health at risk. Should you have a reaction you can't even trace it back to the source. That is extremely dangerous.
See the supplements sampled and what the independent study found...
http://well.blogs.nytimes.com/2015/02/03/sidebar-whats-in-those-supplements/?smprod=nytcore-iphone&smid=nytcore-iphone-share
New York’s attorney general said that tests on popular store brands of herbal supplements at Walmart, Walgreens, Target and GNC found that roughly four out of five of the products contained none of the herbs listed on the labels.