Factor |
Name |
Sources |
Role |
Disease related to the deficiency |
Vitamin B2 |
Riboflavin |
vegetables, yeast, milk |
Factor involved in oxidation-reduction reactions. |
Normochromic normocytic anemia |
Vitamin B3 |
Niacin |
meat, beer yeast, cereals |
It is involved particularly in the DNA repair process, in the production of steroid hormones and is necessary for cellular oxidation-reduction reactions. |
Pellagra |
Vitamin B6 |
Pyridoxin |
meat, vegetables |
It is a cofactor in several enzymatic reactions involving the metabolism of amino acids, glucose and lipids. |
Pellagra (indirectly) |
Vitamin B9 |
Folic acid |
kidney, liver, green leafy vegetables, legumes, eggs |
Its principal biological role is related to the synthesis of DNA and RNA and in the prevention of genetic alterations. |
Megaloblastic anemia |
Vitamin B12 |
Cobalamin |
meat, milk, eggs |
It is involved in the cells metabolism with several functions such as DNA synthesis, regulatory functions of the nervous system or in the amino acid metabolism. |
Pernicious anemia |
Iron |
Iron |
meat, vegetables |
It carries oxygen in the hemoglobin, in the myoglobin and is also involved in several enzymatic reactions. |
Iron-deficiency anemia |
Zinc |
Zinc |
Animal-sourced foods and some vegetables |
It is involved in various biological reactions in the human body, from cell growth to normal immune function to wound healing. |
Different physiological alterations |