What Happy Women Put in Their Grocery Cart

Butter really does make everything better—but it has a whopping 100 calories and 7 grams of saturated fat per tablespoon. The solution: Real whipped butter. It's not only lighter and less calorie-dense, but it's also smoother and more luscious. And...like regular butter, it lacks the nefarious trans fats you'll find in many brands of margarine that have been connected to irritability and aggression, found researchers at the University of California at San Diego (the theory is that trans fats may inhibit absorption of healthy omega-3 fats, which are known to have a mood-calming effect).