4. They Nibble on Walnuts at Snack Time

They Nibble on Walnuts at Snack Time

If you want to have a slim belly that is free of flab, walnuts should be one of your snacks of choice.

Walnuts contain polyunsaturated fats, which have been linked to a reduction of fat storage in your body and improves your metabolism.

The nuts do contain more calories than other snacks, so be sure you eat them in moderate portions.

A handful is all you need to reap the benefits.

They Never Skip Meals