Bests & Worsts Reviews from Amazon

I have used this product for a while off and on and more intensively in the last 3 months. In that time I happened to get a bunch of tests done and found I had very high arsenic levels, in the 83mcg range. I started experimenting with my doctor and tested every two to three weeks. Initially I suspected the seaweed I ate but after eliminating that my tests went from the 80's to 184mcg/g! during this time I used this collagen product daily. After stopping the use of this collagen product three weeks later my results had dropped to 44mcg. I contacted the company a while ago to ask if they had test results for heavy metals and I never heard back from them.