SugarStacks.com is a neat site that visualizes how much sugar is in various foods by stacking a corresponding number of sugar cubes. They have a limited candy section which is somewhat startling, if unsurprising.
Photo courtesy of
PS: Happy 22nd Birthday to my friend Cassie, giver of many great candy gifts and introducer of great candy/food sources.
Varsha 
sophia cook 
Vishal