Icons chosen by McDonalds to represent, from left to right, Calories, Protein, Fat, Carbohydrates and Salt.

I just read a fascinating article about how McDonalds set about testing cultural acceptability of a range of icons intended to point to nutritional information. It talks about the process and gives examples of some of the issues. Very nice.

Interesting, also, that they still ended up with local variants in some cases.

Creating a New Language for Nutrition: McDonald’s Universal Icons for 109 Countries