Wednesday, 30 May 2018

Vitamins

WHAT ARE VITAMINS? 
  Vitamins are organic substances which are necessary food factors required in small amounts to regulate energy transformation and metabolism.
Vitamins are not energy sources but they protect from diseases and work as food catalysts too.
Vitamins are effective in very small amounts (mg or mg).
Every vitamin has a specific function and deficiency of a vitamin in diet causes a specific disease.
Vitamins are not formed in the body except vitamin D.
Therefore, they must be taken from their sources.

There are two types of vitamins:
1. water soluble vitamins (C, B)
2. fat soluble vitamins (A, D, E, K)
 
VITAMIN A:
The main function of vitamin A is to form VISUAL PIGMENT. It is essential for normal growth, healthy teeth, saves us from infectious diseases, night vision, normal bone and teeth development.
It transports nutrients across the cell membrane.
Vitamin A is an antioxidant.
It increases iron metabolism.
 
FOOD SOURCES:
  Milk, egg yolk , liver fats, cod liver oil, carrot, apricots,Peach, butter, green leafy vegetables, cheese
 
DEFICIENCY
Deficiency of vitamin A causes:
 Night blindness
 Xerophthalmia
 Respiratory infection
 Allergies
 Loss of teeth enamel
 Gum disease
 Decrease in immunity
DOSE
Male : 1.00 mg per day
Female : 0.8 mg per day
 
OVERDOSE
Overdose of Vitamin A may cause:
 Headache
 Fatigue
 Skin problems
 Bone pain
 Dry skin
 Thickening of bone
 Brittle nails
 Constipation
 long term use can cause hair loss
 liver damage
 increase in blood fats/cholesterol.

VITAMIN B1
 
It helps body cells to convert carbohydrates into energy.
Vitamin B1 plays an important role in energy metabolism.
It is essential for growth. Protect us from digestive disturbance.
Healthy heart function. Healthy nerve cells.
Protect us from herpes zoster. Helpful in healthy brain functioning. Useful in anemia.
FOOD SOURCES
sunflower seeds, Liver, kidney, cereal, peanuts, beans, eggs-yolk, legumes, fish, meat, milk, yeast etc.
 
DEFICIENCY
 Deficiency causes beri beri, cardiac failure, Loss of weight, digestive disturbance, weakness , nerve damage, constipation.
 
DAILY DOSE
 Male : 1.4 mg per day
Female : 1.0 mg per day
 
OVERDOSE
 It has very few side effects in case of overdose which includes:
 headache
 itching
 irritability
 flushing

VITAMIN B2

 Vitamin B2 is essential for normal body growth, red cell production, prevents us from rheumatoid arthritis, migraine, skin disorders, Cataract prevention and it is a helper for other B- vitamins.
FOOD SOURCES
 Milk, eggs, liver, fish, yeast, fruits, green leafy vegetables, wheat , pea, soybean.
 
DEFICIENCY
Dry & cracked skin, inflammation on mouth, anemia, eye diseases, slow wound healing ,poor general health, scales on nails, cracks at corners of mouth, sickle cell anemia.
 
DAILY DOSE
Male : 1.6 mg per day
Female : 1.2 mg per day
 
OVERDOSE
  Itching
 Burning sensations
 Numbness


VITAMIN B3
 Vitamin B3 is a metaboliser for amino acids and carbohydrates.
It is required in the synthesis of fats.
Essential for healthy skin.
Cell respiration.
Used to decrease cholesterol and control diabetes.
Proper functioning of nervous system.
Mental alertness
FOOD SOURCES
Red meat, liver, yeast, Milk,peanut, fish, eggs, Legumes,coffee etc.
DEFICIENCY
Deficiency of vitamin B3 includes:
 Mental disturbances
 Diarrhea
 Pellagra
 Skin lesions
 Decreased appetite
DAILY DOSE
 Male : 18 mg per day
Female : 13 mg per day
OVERDOSE
 Liver damage
 Skin flushing
 Itching
 Heartburn
 Peptic ulcer

VITAMIN B5

 VITAMIN B5 is very important in metabolic system and stress resistance.
It is also helpful in the synthesis of antibodies, fats, proteins and hemoglobin.
Vitamin B5 plays very important role in the secretion of hormones.
It slows down aging process.
Prevents from arthritis and helpful against wrinkles.
Vitamin B5 is also known as anti-stress vitamin because it relieves physical and emotional stress.

FOOD SOURCES
Yeast, chicken, fish, Kidneys, beef, liver ,Peanuts, mushrooms, soybean , eggs , sunflower seeds , lentils,cashews ,fresh vegetables,wheat.
 
DEFICIENCY
Deficiency symptoms of vitamin B5 include:
 Frequent infection
 Cardiovascular disorders
 Digestive disorders
 neurological disorders
 Low blood cholesterol level
 Decrease in serum potassium
 General weakness
 
DAILY DOSE
 No recommended dosage however 10mg to 100 mg per day is necessary.
 
OVERDOSE
 Not toxic in high dosage (less than 10 grams per day).
Sensitive to teeth if taken 1.5 grams per day for a long period regularly.

VITAMIN B6

 Vitamin B6 is involved in the following functions:
 Protein and fatty acid metabolizer
 Red cells production.
 Healthy brain function.
 Helps to synthesize antibodies.
FOOD SOURCES
 Milk, liver, yeast, green leafy vegetables , cereals, kidney, fish, chicken, eggs, nuts, banana etc.

DEFICIENCY
  Skin disorders
  Anemia
 Seizures in infant
 Memory problem
 Low absorption of fats, proteins and sugar
 Water retention in body

DAILY DOSE

1.3 mg to 2.00 mg per day

 OVERDOSE
 Large dosages may cause neurological disorders.
It is sensitive to sun light and heat.
Vitamin B2 and zinc are necessary to absorb Vitamin B6.

VITAMIN B12

 Vitamin B12 is necessary in the formation of red blood cell and for normal growth.
Prevents us from anemia, allergies, asthma and skin disorders.
FOOD SOURCES
 Liver , fish , Meat, Eggs, yeast , Kidney , Milk , Dairy products
 
DEFICIENCY
 Deficiency of Vitamin B12 may include:
 Anemia
 Fatigue
 Memory loss
 Depression
 Confusion
 
DAILY DOSE
 2.4 micro gram per day
 
OVERDOSE
Not known


VITAMIN C
 Vitamin C is essential for:
 In the synthesis of collagen in connective tissue.
 Healing of wounds & fractures
 Facilitates absorption of iron.
 Helps in haemoglobin formation.
 Formation of steroid hormones
 Reduces the chances of infections
 prevents from scurvy
 Antioxidant
 For healthy gums
FOOD SOURCES
 All citrus fruits such as orange, lemon, guava , strawberries, Pineapple,grape fruit, tomato, cabbage, cauliflower 
DEFICIENCY
 Decrease in body resistance to infection
 Bleeding of teeth.
 Scurry
 Anaemia
 poor wound healing
 painful joint
DAILY DOSE
60 mg per day

OVERDOSE
  Diarrhea
 Painful urination
 Flatulence
 Skin rash

VITAMIN D

 Vitamin D controls the absorption of calcium & Phosphorus in our body to develop healthy bones & teeth. It is very very necessary for the development of bones and teeth. You should not avoid the importance of vitamin D because it helps in the absorption of calcium which in turn forms strong bones.
People deficient in vitamin D suffer a great deal in old age, Therefore you must care about it.
SOURCES
 Fish oil, liver, egg yellow, milk etc.
It is also produce on skin by sun light
DEFICIENCY
  Softness of bones
 Tooth decay
 Rickets
DAILY DOSE
 400 international units per day
 
OVERDOSE
 Extra heavy doses of vitamin D are harmful and cause loss of appetite , thickening of bones , Softness of tissues and calcification of joints.


VITAMIN E

 Vitamin E an antioxidant and it slows down the aging process. It is helpful in skin treatment. If you want to be young,healthy,energetic and good skin texture with no wrinkles you must add vitamin E in your diet. Maintenance of cell membrane,normal function of muscular and vascular system are also due to vitamin E.
FOOD SOURCES
fish, meat, eggs,Green leafy vegetables, oil, wheat, milk.
DEFICIENCY
 Deficiency of vitamin E may causes:
 premature aging
 Fragility of red blood cells.
 skin problems
 Respiratory problems.
DAILY DOSE
 Male :10 mg per day
Female : 8 mg per day

VITAMIN K
 Vitamin K is used to control blood clotting mechanism.
FOOD SOURCES
 Green leafy vegetables, vegetable oils, meat, liver, milk, bran, broccoli.
Vitamin K is also produced by intestinal bacteria.
DEFICIENCY
 Failure of blood clotting mechanism
DOSE
 Male : 80 mg per day
Female : 70 mg per day
 
OVERDOSE
  Jaundice
 Anemia

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