Vitamins: Their Functions Sources and Deficiency - SamiTalk12.

Vitamins are basically essentials for human body and are required in specific amount. Their deficiency and excess may results in the abnormality in any one of the human body organ. Following are some important nutrients along with their sources, functions and deficiency.

  Important Nutrients:

 Following is the list of important vitamins along with their sources.

• Vitamin A
• Vitamin D
• Vitamin E
• Vitamin B 1
• Vitamin B 12

1. Vitamin A- Sources, Role in Immune System and Deficiency :

Vitamin A falls in fat soluble category. This vitamin plays an essential role in immune functioning, vision, reproduction and cellular communication. In human diet two types of vitamins are present which are Vitamin A ( rational and is esterified form) and pro vitamin A carotenoids. 

 

Sources:

 Vitamin A is present in bulk amount in Cream cheese, Boiled egg, Butter, Salmon, Lamb liver and carrot.

Role in Immune System:

 Vitamin A maintains our eye vision, reproductive system, growth of body parts and also protects epithelium.

Deficiency:

 Deficiency of Vitamin A results in different diseases like Night Blindness, weak immune system and improper growth as well.

2. Vitamin D- Sources, Role in Immune System and Deficiency:

Vitamin D is also a major fat soluble vitamin. It is directly associated with bones of human body.It ,maintains the growth and firmness of bones. 

Sources:

 Vitamin D is richly present in sunlight.                       It is also present in egg yolks and Beef liver.

Role in Immune System:

 Vitamin A can modulate the innate and adaptive immune responses. Vitamin D is directly associates with increased susceptibility to infection. Promotes protective immunity.

Deficiency:

 Deficiency of Vitamin D results in bones destruction and deforming as well. It leads to loss of Bone   Density. Major disease Rickets is caused by deficiency of Vitamin D. 

3. Vitamin E- Sources, Role in Immune System and Deficiency :

 Vitamin E is a very well known vitamin due to its wide range of availability in rich foods like nuts.

 It needs some fats needs some fat for digestive system to absorb.

 Sources:      

   Vitamin E is richly present in cereals, nuts,           almonds, seeds, kiwi, vegetable and mangoes.                                                      

                                                                                        

 Role in Immune System:

  It protects our vision power. Make muscles strong, Keep body energetic to perform daily routine       work. Helps to maintain reproductive system of human. 

 

 Deficiency:

 

 Deficiency of Vitamin E results in the muscles weakness, muscle pain, general un wellness and difficulty in walking also.

4. Vitamin B1:

  

 Vitamin B1 is water soluble vitamin.Vitamin B1,  thiamin or thiamine, enables the body to use carbohydrates as energy. It plays a key role in nerve muscle and heart function.

Sources:    

 

Vitamin E is present in meat, oats, beans,   oranges, milk and vegetables.

 

  

 Role in Immune System:

  

 It helps to maintain nervous system, brain muscles, heart, stomach and intestine. It also helps in the flow of electrolytes into and out of muscles and nerve cells.

  Deficiency:

  Its deficiency leads to Beriberi, a condition that features problems with peripheral nerves and     wasting. Weight loss and Anorexia also caused by deficiency of Vitamin E. Short term memory loss   is also a sever disease caused due to deficiency of Vitamin E.

5. Vitamin B12:

 Vitamin B12 is a water soluble vitamin. It is also known as Cobalamin. It is generally found in animal foods, meats and etc. This is an essential vitamin. Our body can not generate this vitamin. We have to take supplements to fulfill its deficiency in human body. It is highly required in vegetarians, pregnant or breast feeding women. 

 

Sources:  

  Animal foods, meats, fishes, eggs, poultry and dairy are its major sources.

    

  Role in Immune System:

  It prevents from body weakness, fatigue. It helps to regulate     our body functioning. It helps pregnant women to strong their 

 immune system. Breast feeding women needs this in huge   amount to be strong.

  Deficiency:

  Its deficiency cause folate level to drop. Its deficiency causes   Jaundiced Skin, weakness and fatigue, sensation of pins and   needles.