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If you've ever felt your attitude dipping while you're on a diet, you're not alone. It's common to feel anxious, moody or stressed out when you're trying to lose weight. Luckily, there are 3 super-healthy super foods that will not only be welcome in your weight-loss regimen, but help you feel great, too.

For Anxiety: Drink Kefir Milk

This milk is different from regular milk because it's fermented with probiotic kefir grains. Kefir milk is also loaded with tryptophan, an amino acid that helps raise serotonin levels in the brain, which can help reduce anxious feelings. Drinking one cup a day is enough to keep you feeling calm.