The benefits of vitamin K are derived from the three existing types of this vitamin. They are the Vitamin K1, K2 and K3, the first two are produced by the agency in the intestinal tract and the third is a synthetic vitamin that is used in patients with absence of bile, enzyme responsible for absorbing the vitamins and therefore is not able to metabolize.

This vitamin is essential for the formation of prothrombin. This is a chemical that participate in the blood clotting. The vitamin K is also necessary to store carbohydrates, contributes to the proper functioning of the liver and promotes the vitality and longevity. It is important not to have lack of vitamin K.

The food containing vitamin K are the cow’s milk, yogurt, tomatoes, plants and vegetables of green leaves, egg yolk, spinach, cauliflower, cabbage, lettuce, asparagus, peas, liver oil fish, cabbage, broccoli sprouts, Brussels, molasses residual, alfalfa, celery, safflower oil and other oils poly unsaturated.

The vitamin K is absorbed by the bile salts or in the same in the intestinal tract, there is carried to the liver, and in turn is stored small doses in the body.

The causes that inhibit the absorption of vitamin K are a flaw in the liver that is not allows you to produce the bile and dicoumarol, or that the bile duct is obstructed which limits the secretion of the salts. Other external factors as exposure to radiation and to X-rays, the environmental pollution caused by the industries, the fats stale, aspirin, and the intake spoke of antibiotics causes an elimination of this vitamin. (more…)

Vitamin A is known as the ‘vitamin miracle’ because it favors to our immune system and to growth. The same is included in many foods, and in what concerns to food and nutrition then we can receive it from several sources.

The benefits of vitamin A are:

It is an excellent antioxidant, because it helps to protect cells against cancer and other diseases. Improving the light and prevents the night blindness. Favors the formation of strong bones. Acting as the protector against bacteria, viruses, and parasitic infections
Protects us against the heart disease, stroke and reduces the level of blood cholesterol.

You can improve the health of the skin, especially the skins acedias or with psoriasis. Reduces the marks of expression, the fine wrinkles of the skin and clarifies the spots that are formed with age. The vitamin A supplements are listed for children suffering from respiratory problems.

Also the supplements are recommended for people with measles and glaucoma.
Foods with vitamin A:

In the nature vitamin A is presented in two ways. One of them is the retinol:
It is in the liver, dairy products, eggs and oil cod-liver.

The second way is the beta-carotene, a pigment of color that goes from orange-yellow to red that the body converts to vitamin A when necessary. The beta-carotene is found in fruits and vegetables in bright colors. The more brilliant is the fruit or vegetables more beta carotene contains.

Some of these fruit plants are the apricots, broccoli, tomatoes, carrots, spinach.
Consume for too long vitamin A supplements may cause side effects. Therefore it is always preferable molded of nature.