Vitamins - VYE-ta-mins are compounds that you must have for growth and health. They are needed in small amounts only and are usually available in the foods that you eat. Niacin and niacinamide are necessary for many normal functions of the body, including normal tissue metabolism. They may have other effects as well.
Lack of niacin may lead to a condition called pellagra. Pellagra causes diarrhea, stomach problems, skin problems, sores in the mouth, anemia - weak blood and mental problems. Your health care professional may treat this by prescribing niacin for you.
Some conditions may increase your need for niacin. These include:
Increased need for niacin must be determined by your health care professional.
Claims that niacin is effective for treat of acne, alcoholism, unwanted effects of drug abuse, leprosy, motion sickness, muscle problems, poor circulation, and mental problems and for prevention of heart attacks, have not been proven. Many of these treats involve large and expensive amounts of vitamins.
Injectable niacin and niacinamide are given by or under the supervision of a health care professional. Other forms of niacin and niacinamide are available without a prescription.
Niacin and niacinamide are available in the following dosage forms:
Niacin is found in meats, eggs and milk and dairy products. Little niacin is lost from foods during ordinary cooking.
Vitamins alone will not take the place of a good diet and will not provide energy. Your body also needs other substances found in food such as protein, minerals, carbohydrates and fat. Vitamins themselves often can't work without the presence of other foods.
The daily amount of niacin needed is defined in few various ways.
Normal daily recommended intakes in milligrams - mg for niacin are generally defined as follows:
|
Infants and children Birth to 3 years of age |
4 to 6 years of age |
7 to 10 years of age |
Adolescent and adult males |
Adolescent and adult females |
Pregnant females |
Breast-feeding females |
видисик визин вильпрафен винбластин винбластин-рихтер винкристин для инъекций |