B. because intestinal bacteria produce vitamin K.
Vitamin K deficiency in adults is rare
Vitamin K aids the formation of proteins for blood clotting.
Vitamins A D E and K are fat soluble vitamins. So people who are extremely thin may have their deficiencies. Less consumption of yellow or orange coloured food stuff may cause vit A deficiency. Vitamin D deficiency is caused due to less exposure to sunlight. Vitamin E and K deficiencies are caused due to very less consumption of leafy vegetables.
An important source of vitamin k comes from bacteria in the gut which synthesise it. Long term antibiotic use kills the bacteria and leads to deficiencies
Jaundice from the accumulation of bile and nutritional deficiencies-bruising from lack of vitamin K, bone pain from lack of vitamin D, night blindness from lack of vitamin A, and skin rashes, lack of vitamin E.
Allergic reactions to vitamin K supplements can occur, although they are rare. Symptoms may include flushed skin, nausea, rash, and itching.
New Entry: Deficiencies in Vitamin A are more widespread in the world than any other vitamin and cause up to 80,000 people (mostly children) to become blind each year.Old Entry: Well-known human vitamin deficiencies involve thiamine (B1)- (beriberi), niacin (B3)- (pellagra), vitamin C (scurvy) and vitamin D (rickets).Vitamin K causes bleeding diathesis.Vitamin B6 causes anemia.Riboflavin (B2) causes ariboflavinosis.Vitamin A causes night blindness and keratomalacia.According to WHO Micronutrient deficiencies are:- Iodine deficiency disorders- Vitamin A deficiency- Iron deficiency anaemiaIn the light of the above facts, I select (item D) Vitamin A. * 1 year ago http://en.wikipedia.org/wiki/Vitamin#Hum...http://www.who.int/nutrition/topics/micr...
These are all summed generalisations Vitamin C deficiencies leads to scurvy Iron deficiencies leads to fatigue Vitamin D deficiencies lead to a bad immune system Protein deficiencies lead to bad muscle growth and weakness Fibre deficiencies leads to clogged up bowels, which cause constipation Vitamin B deficiencies lead to nervous system damage, acne, depression, birth defects and weight lost Vitamin A deficiencies will lead to possible blindness, since it affects the retina, and abnormal bone growth Sugar deficiencies lead to lack of energy, possibly, not sure on that one I hope I've covered the common ones!
These are all summed generalisations Vitamin C deficiencies leads to scurvy Iron deficiencies leads to fatigue Vitamin D deficiencies lead to a bad immune system Protein deficiencies lead to bad muscle growth and weakness Fibre deficiencies leads to clogged up bowels, which cause constipation Vitamin B deficiencies lead to nervous system damage, acne, depression, birth defects and weight lost Vitamin A deficiencies will lead to possible blindness, since it affects the retina, and abnormal bone growth Sugar deficiencies lead to lack of energy, possibly, not sure on that one I hope I've covered the common ones!
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Vitamin K is not normally included in daily multivitamins, as deficiency is rare. Oral, topical, and injectable forms are available, but should not be used except under the supervision of a health care provider.
Vitamin deficiencies, including vitamin B12, D, E and K, have been associated with dark circles.