Betta fish food is extremely accessible and therefore you do not have any excuse to not buy your Betta fish the food it needs. These products are sold in small packages and they are usually a perfect combination of protein, minerals and vitamins that are meant to provide your Betta fish with the strength and stamina they need. Since Bettas can go to the surface and breathe air, most of these food products for Betta fishes are the floating kind.