When it comes to healthy eating, consumers are ready to put their money where their mouth is.

By Lionel Binnie, Mai Sushi   Sugar free. Fat free. All Natural. Sugar free. Fat free. All Natural. Fat free. All Natural. Organic. Visit any supermarket and you’ll see the shelves lined with food products sporting those monikers and others. Some have whole aisles devoted to them. Specialty stores cater to them. So what’s the deal? The demand for healthy …