Amino acids are the building blocks of protein. The meat and dairy industry has influenced us to assume that protein only comes from these sources. In fact the most bio-available way to get protein is to take in a wide array of amino acids. A multitude of fruits and vegetables will ensure you are getting an array of essential amino acids. The effect of a cleanse is magnified from the break taken from the energy robbing process of digestion, it is thus helpful to take a pause from digesting concentrated forms of protein.