Each tablespoon packs in 2.3 grams of protein and almost 5 grams of fiber, plus a dose of calcium, vitamins A, B, C, and E, and antioxidants! Ounce for ounce, chia seeds have more omega-3 fatty acids than even salmon! Chia is one of the most concentrated sources of omega-3 in any food, and is also a great source of omega-6.