Vitamins are the vital minerals needed for a healthy and sound body. Vitamin deficiency can lead to decreased immunity and various kinds of diseases which could be chronic as well. Deficiency of vitamin A can lead to decreased night vision can also lead to night blindness. Deficiency of vitamin C can lead to scurvy, anemia, cancer, asthma. It can also lead hardening of the arteries and common cold.

 Vitamin D is essential for the proper development of bones; rickets are caused due to vitamin D deficiency. Vitamin e has an excellent antioxidant property its deficiency can lead to improper metabolic activities and cardiovascular diseases. Vitamin K is very important it helps in clotting of blood, its deficiency can cause a person bleed to death in case of minor cuts. Vitamin B is also very essential and its deficiency is very severe, deficiency of riboflavin can oral ulcer, inflammations in intestine and food pipe. Thiamine deficiency leads to Beri Beri is a nervous system ailment. 

These are some of the major and fatal affects of vitamin deficiency beside there are many side affects attached with less than required intake of vitamins. One should have a balanced diet, eat fruits and vegetables and one can also vitamins pills to overcome the deficit.