Flax seeds, also known as linseed, are another food with characteristics similar to chia. They are an important source of polyunsaturated fatty acids, especially Omega-3 and Omega-6, which are essential for the proper functioning of the nervous system. Additionally, they contain various minerals such as iodine, iron, zinc, magnesium, calcium, potassium, manganese, silicon, copper, nickel, phosphorus, and chromium, among others. These seeds are also rich in vitamin E and several B vitamins, including B1, B2, B3, and especially B6. Lastly, they are a naturally gluten-free food.