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Lysine dosage varies according to age. It is an essential amino acid. That means that our body cannot synthesize it. It must be obtained through external sources like plants or meat. There are varying amounts in food. A general rule of thumb is that oilier foods, like sardines or soybeans, have more lysine.

This enzyme has a number of important uses for the human body. It acts as a building block for protein including building muscles and aiding in the body's healing processes. It is also used by our bodies to produce antibodies, hormones and enzymes. Calcium is more readily absorbed when an adequate supply of this enzyme is available for the body to use. Since calcium builds bones, it is especially important to ensure sufficient quantities are ingested by young children.

The nutritional requirement per day is typically measured in milligrams per kilogram of body weight. A kilogram is about a half pound. To be specific it is . 45 of a pound. A simple method to determine how many kilograms we weigh is to divide the number of pounds we weigh by half. Converting pounds to kilograms will give an estimated weight so that it is easier to determine how many milligrams need to be ingested.

Infants require a higher level than adults. They typically should take in 206 milligrams per pound each day. Over the age of two, the amount required changes to about 130mg per pound. Adults require about 24mg per pound every day. Some doctors believe that this is because we grow faster when younger or when going through growth spurts. The daily requirements must be adequate to supply a growing body and provide the materials to build bone and muscle. As we age, our bodies require less because we are building less bone and muscle.

It is especially important to ensure enough is ingested when a vegetarian diet is being followed. Meat and fish are the primary sources for this enzyme. When they are eliminated, as in a vegetarian diet, steps must be taken to ensure replacement foods are eaten. Legumes have significant amounts of this amino acid and, when eaten with cereal grains, meet complete protein requirements.

When choosing food sources for this enzyme, select products that have about 50mg of lysine per gram of protein, or 5%. Meat products that provide significant amounts include fish, chicken and beef. They go well above the 5% mark and weigh in at about 8%.

Non-meat products that provide substantial amounts include legumes and dairy products. Select soybeans, lentils, milk, eggs and peas. Cheeses are also good sources, with Parmesan being one of the best options. Several sources are available that list the types and amounts of nutrients in everyday food.

Check with a physician if you have any health issues or are confused about the lysine dosage that is right for you. They will be able to give you complete information about how you should include this enzyme in your diet. A well-rounded diet, with all of the proper nutrients, will help you to feel better and heal faster.