Chia seeds are practically exploding with omega-3 fatty acids, along with protein, magnesium, and fiber. As a bonus, they're hydrophilic, meaning they soak up liquid and create a gel. They make a great thickener for soups, smoothies, and stews, or a delicious pudding with a splash of maple syrup and cacao powder. They're also an excellent egg replacement for vegan baking. Gluten-free, dairy-free, and vegan.