all greek yogurts are not created equal, apparently

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I've been trying different brands of Greek yogurt to see which one i like best. Well this morning i had the Vanilla Oikos greek yogurt and it was AWFUL. So for the Chobani and Trader Joe's brands are my favorite. I also liked the Dannon--but looking at the ingredients it looks like it's not as healthy as the other brands (added sugar)... but it was good :)

What are your favorite brands/flavors? Do you add anything in or eat it plain?