Chia seeds are an amazing natural substance that have numerous health benefits. There are so many nutrients packed into these tiny seeds. Some people add chia seeds to the foods they eat, like salads, but don't realize the incredible health effects that they can promote. Chia seeds are a great source for omega fatty acids, calcium, iron, and they may help to support the cardiovascular and digestive systems. Chia seeds also supply the body with fiber, iron, and calcium.