I just googled Safeway's roasted chicken and it has 1 carb gram per 3 oz.

Here's the source I found:
http://www.caloriecount.com/calorie...chicken-i322032

Here's the list of ingredients:
Whole chicken, water, contains less than 2% of salt, sodium phosphates, modified corn starch, sugar, carrageenan, soy lecithin, natural flavorings, xanthan gum, coated with salt, onion, paprika, spices, garlic, citric acid.

And the source I found:
http://celiac.livejournal.com/1321612.html