Whole nuts, including cashews, peanuts and almonds, are naturally gluten-free – and packed full of protein, carbohydrates, fiber and various vitamins and minerals (including calcium). "They're healthy sources of a wide variety of nutrients," says Thompson. You can also indulge in nut butters too, as long as they don't have a lot of other additives, such as sugar, she says.
Credit: Alistair Forrester Shankie / Getty Images
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