l-cysteine is a common ingredient in bakery products and fast food. the 2 most common sources: poultry feathers and human hair.

ranch dressing contains titanium dioxide, an ingredient in sunscreen.

one of the dyes used to color good & plenty candy is made from crushed insects.

up to 15% of your meat can be made of 'pink slime' without that showing up on the label.

farm-raised salmon are dyed to make them 'the right color'. the dye can be as much as 1/3 the cost of raising the fish.