Is an orange or a guava the best source of vitamin C? Is farm-raised or wild salmon higher in omega 3 fats? If you've always wondered what foods to turn to when you need more fiber in your diet or which foods you can count on when you've got an upset stomach, The Best Things You Can Eat as the answers, and even a few surprises. Registered Dietitian and bestselling author David Grotto draws on the latest nutritional and scientific research to assemble the most authoritative compilation of food rankings ever produced.