Organic Traditions - Dark Chia Seeds - 16 oz. (454 g) A gluten free superseed, chia seeds are a source of Calcium and Iron, a high source of Fiber, and provide 3 grams of vegetarian Omega-3 per 1 heaping tablespoon 15 gram serving. Chia seeds also contain protein, essential vitamins and minerals and a host of antioxidants, giving them an ORAC value of 1,200 per 1 heaping tablespoon 15 gram serving. The ORAC value is a measurement of the antioxidant capacity of different foods.