This is a good reminder to ask your patient about the supplements they are taking. Supplements and Natural products can have side effects as well.
Canada is supposed to have tougher regulations on natural health products than the US but there continues to be a huge backlog of products still on the market that have yet to be approved by Health Canada and the testing may not be as rigorous as we think: http://www.cbc.ca/news/canada/natural-health-products-do-they-need-tougher-regulations-1.1991925
Here is a link to the NYT Article: http://well.blogs.nytimes.com/2015/04/07/study-warns-of-diet-supplement-dangers-kept-quiet-by-f-d-a/?_r=0
Here is a link to the Study: http://onlinelibrary.wiley.com/doi/10.1002/dta.1793/full
Posted on 08/04/2015 by Dr. Dimitre