Showing posts with label types. Show all posts
Showing posts with label types. Show all posts

Thursday, October 7, 2010

What types of people at risk of vitamin B6?

People who take drugs: Vitamin B6 is one of the nutrients disappear more easily in the body, especially when it comes to the organization of people taking antibiotics or drug treatment of long duration. A number of drugs, ranging from oral contraceptives to antifungal drugs, can deplete vitamin B6 in your body. Read also: Drugs that can cause obesity.

Smokers: because of the carcinogens in cigarettes, smokers need to consume in some cases double the amount of vitamin B6 in which non-smokers need. This also applies to people who suffer from passive smoking. Read also: Why smokers gain weight when they quit smoking?

Other people at increased risk of vitamin B6 deficiency: those who suffer from congestive heart failure, severe renal insufficiency, hyperthyroidism, cirrhosis. Read also: Blood pressure: lower blood pressure and hypertension.

Benefits of Vitamin A

Vitamin A is a large group of fat-soluble compounds (soluble in lipids but insoluble in water) that promote good vision, bone growth, reproduction and cell growth. Vitamin A also keeps your immune system in good shape by protecting the walls of your lungs and intestinal tract and producing white blood cells (cells of human blood contains a nucleus, also called leukocytes, which mainly plays a role in defense the body against foreign agents). Read also: Immune system: how to strengthen the immune system?

There are two types of vitamin A:

* Preformed: preformed vitamin A is derived exclusively from foods of animal origin (meat, fish, eggs, dairy products, etc..). It is absorbed as retinol (the form most useful to vitamin A) and esters of retinol,
* Carotenoids: Vitamin A-like carotenoids from fruits and vegetables , and must be converted to retinol by the body. There are over 560 carotenoids in nature, but the body still absorbs less than 10%. One of the most important carotenoids is beta-carotene, an important nutrient that can prevent certain diseases like cancer.