Vitamin B3 or nicotinamide. Properties

Vitamin B3 or Niacin or nicotinamide
Vitamin B3 comes in several different ways, all of which can be identified as niacin.

The vitamin B3 and its relationship with other B complex
Nicotinic acid is a derivative of pyridine (organic base) in some ways simpler than the pyridoxine (vitamin B6). The relationship between vitamins is particularly evident when we analyzed the vitamin. Vitamin B3 can be synthesized from essential amino acid tryptophan, when thiamin (vitamin B1), pyridoxine (vitamin B6) and riboflavin (vitamin B2), act as coenzymes.

Functions of Vitamin B3 or Niacin
- Plays a fundamental role in the production and use of energy.
- Assist the respiration of cells contributing to hydrogen transport.
- It helps maintain normal cholesterol levels in union with a diet low in fat.
- Essential in the deamination of amino acids.
- In the synthesis of fatty acids. In the beta oxidation of fatty acids.
- It has a delayed action on the blood capillaries.
- Acts in disorders of the central and peripheral circulation.
- It behaves as exciting gastric motility and digestive secretions.
- It is a nervous system regulator.
- It is a stimulant of the formation of blood pigments, so it can be an adjunct in the treatment of anemia.
- It Restrainer effect of tachycardia.
- For his role in neutralizing the poison given various kinds. It is particularly necessary in treatment with sulfonamides or antibiotics as well as in the treatment of tuberculosis with hydrazides.

It is prescribed to eliminate pellagra, Hartnup's disease (sun sensitivity, dermatitis), in various mental disorders and to reduce the level of triglycerides and cholesterol. Also used in the detoxification of drug addicts in high doses.

Values of the RDA for men 23 to 50 years of age and their relationship "High Security" / RDA

RDA                                Vitamin                            Security Level
1.4 mg                         Thiamin (B1)                          over 100          
1.6 mg                         Riboflavin (B2)                       over 100
18 mg                          Niacin (B3)                       NE about 100
4-7 mg                  Pantoténico1 acid (B5)                over 100
2.2 mg                       Pyridoxine (B6)                            100
400 ug                       Folic acid (B9)                           over 50
3 ug                             Vitamin B12                             over 100
60 mg                           Vitamin C                              about 100
100-200 ug                  Biotin (B7)                              over 100
5 ug (200 IU)                Vitamin D                                about 10
10 mg-TE (15 IU)         Vitamin E                                over 100
70-140 ug                    Vitamin K                                 over 50
1000 ug RE2                Vitamin A                               around 10 *

about 3 **

NE = Niacin equivalent in

RE = Retinol Equivalence in

TE = Tocopherol

1 = estimate of a safe and adequate level instead of RDA, due to limited available evidence.

2 = is the equivalent of 3333 IU of retinol or 5000 IU vitamin A diet.

* = Relationship between the levels are still considered safe in the vast majority of adults and RDS Standard.

** = Women of childbearing age.

Source: Lamberts medicines.

Related Topics

* Vitamin A, retinol or axeroftol
* Vitamin B1 (Thiamine) and B2 (Riboflavin)
* Vitamin B12 (cyanocobalamin)
* Vitamin B9 or folic acid, B10 (PABA), B11
Vitamin D or calciferol
* Vitamin E or tocopherol
* Vitamin K
* Vitamin B4, B5, B6, B7, B8

*Automatic Translation