Proteins are important building blocks of our muscles and tissues. Especially people who work out keep track of the amount of protein they eat daily. Even if you are not a fitness freak, protein intake helps significantly with weight loss and hunger regulation. The best sources of protein are lean red meat, fish and poultry. These are also the most expensive choices. The fact is that eating a high quality protein diet is more expensive than a traditional diet which includes carbs to fill up your plate. But even if you’re on a tight budget you can still get high quality protein food sources.