This is a good documentary. It's two hours, but has a lot of interesting and informative information.
It gives all the reasons why we must keep fighting for our right to vitamins and supplements as well as knowing what is in our foods and keeping our choices available to buy local, organic, non-GMO foods.
Live in the Now is a website that keeps track of the bills regarding these things and if you signup for their newsletter, they will send you emails with petitions you can sign and are automatically sent to your congress people.