Health Tip: If Your Child Wears Glasses (HealthDay)

HealthDay - (HealthDay News) -- If your child has been prescribed glasses,you may have a difficult time getting your child to wear them.

After the macronutrients: protein, fat and carbohydrates, food is known to contain an ever-growing list of nutrients known as micronutrients. The word micronutrient signifies that they are found in small amounts compared to the macronutrients. The first micronutrients, vitamins, were first identified in the early 1900s. Most act as co-enzymes in larger chemical equations which regulate the structures and functions of all cells in your body. If you can imagine a math equation without the equals sign, you can imagine what might happen in your body if a cell is missing one of these vital nutrients at a critical moment. Cellular jobs may simply not occur due to the lack of any one of these vitamins. Because these needs are occur regularly throughout life, it is your job to ensure that your body is not missing any of these vitamins from day to day.

Some micronutrients are not called vitamins, simply because they do not fully meet certain chemical or biological definitions. Even so, some of the micronutrients are considered as important as vitamins or they are required for the vitamins to function in the body. Folate is a great example and is now recommended as a supplement for pregnant women because of its proven effects in reducing neurological birth defects.

Here are some of the functions of the known vitamins and related micronutrients according to the National Institute of Health.

Vitamin A helps in the formation and maintenance of healthy teeth, skeletal and soft tissue, mucous membranes, and skin. It is also known as retinol because it generates the pigments that are purchase bulk l-alanine for the working of the retina. It promotes good vision, especially in dim light. Vitamin A may also be required for reproduction and breast-feeding. Beta-carotene is a precursor to vitamin A that has antioxidant properties, helping the body deal with unstable chemicals called free radicals.

Thiamine (B-1) helps the body cells convert carbohydrates into energy. It is also essential for the functioning of the heart and for healthy nerve cells, including those in the brain.

Riboflavin (B-2) works with the other B vitamins and is important for body growth and red blood cell production. Similar to thiamine, it helps in releasing energy from carbohydrates.

Niacin is a B vitamin that helps maintain healthy skin and nerves. It is also important for the conversion of food to energy and may have cholesterol-lowering effects.

Vitamin B-6 is also known as pyridoxine. The more protein a person eats, the more vitamin B-6 is required to help the body use the protein. It aids in the formation of red blood cells and in the maintenance of normal brain function. It also assists in the synthesizing of antibodies in the immune system.

Vitamin B-12, like the other B vitamins, is important for metabolism. It, too, helps in the formation of red blood cells and in the maintenance of the central nervous system.

Pantothenic acid is essential for the metabolism of food. It is also essential in the synthesis of hormones and cholesterol. Biotin is essential for the metabolism of proteins and carbohydrates, and in the synthesis of hormones and cholesterol. Cholesterol is needed for the functioning of cell membranes, particularly in the brain.

Folate (folic acid) works with vitamin B-12 in the production of red blood cells. It is necessary for the synthesis of DNA, which controls heredity as well as tissue growth and cell function. Any woman who may become pregnant should be sure to consume enough folate -- low levels of this substance are associated with devastating birth defects such as spina bifida. Many foods are now fortified with folic acid to help reduce the level of such birth defects.

Vitamin C, also called ascorbic acid, promotes healthy teeth and gums, helps in the absorption of iron, and helps maintain normal connective tissue. It also promotes wound healing and is an antioxidant.

Vitamin D is also known as the "sunshine vitamin," since it is manufactured by the body after being exposed to sunshine. Ten to 15 minutes of sunshine three times per week is adequate to produce the body's requirement of vitamin D. This vitamin promotes the body's absorption of calcium, which is essential for the normal development and maintenance of healthy teeth and bones. It also helps maintain adequate blood levels of calcium and phosphorus, which are minerals necessary for many functions.

Vitamin E is also known as tocopherol and is an antioxidant. It is also important in the formation of red blood cells and the use of vitamin K.

Vitamin K is known as the clotting vitamin, because without it blood would not coagulate. Some studies indicate that it helps in maintaining strong bones in the elderly.

You may notice some missing letters in this list of vitamins. This is because some letters were assigned to chemicals which were later reclassified as something other than a vitamin. This doesnt mean theyre not important. For example, the essential Omega 3 fatty acid was once classified as a vitamin and now exists at the top of a newer category of essential fats.

Understanding micronutrients, and their importance, adds a vital piece to the puzzle of achieving and supporting optimal health. There are other categories of micronutrients and in the next article well continue to explore these vital components of a healthful diet.

Dave Saunders is a national speaker on nutrition and optimal health.

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