Amino XL contains Amino acids- the building blocks of proteins. Amino acids are the basis of life itself. They consist of nitrogen compounds from which protein is based. They are found in plant and animal tissues and are very easily dissolved by the blood when absorbed and so their positive health effects can be seen instantly. Importance of Amino Acids: The human body does not produce amino acids by itself in most cases and therefore they must be taken by the body to maintain normal healthy tissues. There are 8 essential amino acids which are the building – blocks of protein. Sources of Amino Acids: Amino acids can be found in meat egg fish and some milk products and these supply all the essential amino acids upon adequate intake. Nutritional supplements e.g. Amino XL are excellent sources of these essential amino acids in high amounts.