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Vitamins are considered “micronutrients.”
Vitamins are organic (Carbon) compounds.
They DON’T provide energy. So Zero Calorie
They are needed in small quantities for the normal
growth and function of human body.
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Vitamin A - 1913
Vitamin B1 - 1910
Vitamin B2 - 1920
Vitamin B3 - 1936
Vitamin B5 - 1931
Vitamin B6 - 1934
Vitamin B7 - 1931
Vitamins & Discovery Year
There are currently 13 recognized vitamins
Vitamin B9 - 1941
Vitamin B12 - 1926
Vitamin C - 1920
Vitamin D - 1920
Vitamin E - 1922
Vitamin K - 1929
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Vitamins were originally named “Vital Amines” in
They were thought to be comprised of amine groups,
which were needed to prevent Beri Beri disease.
Vital Amine Name was Given by Casimir Funk, who
was a Polish biochemist.
Vitamin is generalized Name.
Vitamins - History
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Vitamins - Classification
Water Soluble Vitamins
Vitamin B 12
Fat Soluble Vitamins
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Vitamins – Classification (Cont.)
Fat Soluble Vitamins:
Soluble in Fats
They are stored in our body
mostly in Liver.
So No need of Daily Intake.
They Don’t easily dissolve
while cooking food.
They are also known as
Water Soluble Vitamins:
Soluble in Water
They aren’t stored in body.
Gets excreted in urine.
There is need for Daily Intake
They easily dissolve while
They are also called unstable
Sources of Vitamins
Vitamin Scientific Name Sources
Yellow & Dark Green Vegetables,
Cod Liver Oil.
Fatty Fish and Fish Liver Oils
Sunflower seed and Oil.
Required by Retina in Eye.
Assists Proper Cell Division.
Keratomalacia (Dry Cornea).
Skin problems and respiratory infections.
Skin Drying and Peeling.
Pressure around Brain, headache and nausea.
Hair Loss and brittle nails.
Releases energy by carbohydrates’ metabolism.
Proper functioning of heart and nervous system.
Muscle toning and muscle coordination.
Beri Beri: weight loss and muscle weakness.
Depression and irritability.
Irregular heartbeats and muscular weakness.
Releases energy from proteins, fat & carbohydrates.
Needed for healthy eyes, hair, skin and nails.
Cracking of lips and corners of mouth.
Watery, itchy and burning eyes.
Soreness and burning of lips and tongue.
Harmless effects .
Yellow discoloration of urine.
Essential for Metabolism of Fats and vegetables.
Makes fatty acids and cholesterol.
Healthy skin and mucus membranes.
Dry skin and hairs.
Metabolism of carbohydrates and amino acids.
Helps nervous system function properly.
Aids in production of red blood cells.
Mouth sores, acnes and pimples.
Insomnia and depression.
Numbness of feet.
Proprioception. (Brain is unable to understand
where body parts are)
Essential for energy production.
Metabolism of fats and proteins.
Required for healthy skin and hairs.
Inflamation of small intestine, results in loss of
appetite and nausea.
Seborrhic dermatitis.(skin inflamation and rashes).
No overdose issues have been noticed yet by
overdose of Vitamin B7.
Protects and develop the nervous system.
Production of RNA and DNA.
Produces red blood cells for babies in uterus.
Megaloblastic Anemia - (Bonemarrow Problem),
Spina Bifida – Birth defect of Spinal Cord.
Retarded growth in children.
Increased risk of seizures and epilepsy (feets).
Encourage cancer mainly in prostate and lungs.
Forms and generates red blood cells.
Needed for DNA synthesis.
Maintains healthy nervous system.
Pheripheral numbness and muscle weakness.
Memory loss and confusion.
Not overdose issues have been noticed yet by
overdose of Vitamin B12.
Collagen production. Healthy gums.
Promotes healing and helps in iron absorption.
Healthy skin, bones, cartilage, teeth & blood vessels.
Poor healing of bruises and wounds.
Reumatic pain in legs.
.Diarrhoea and gastro-intestinal disturbance.
Increased risk of kidney stones (uric acid stone).
Absorption of Calcium and phosphorus.
Rickets in children.
Loss of bone density in adults.
Increased risk of osteoporosis.
Constipation, Appetite loss, vomitings.
Calcium deposits causing blocking of viens and
kidney stones (calciuam stones).
Helps healing and preventing scarring.
Protects cell Membrane, cardiovascular health.
Short life of red blood cells later results in fatigue.
Balance and coordination problems.
Muscle weakness and Headaches.
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Vitamins are organic compounds, i.e. they contain
There are 13 vitamins.
Vitamins are classified as water soluble and fat
They are needed by our body to perform various
Vitamins shall be taken in proper quantities as there
deficiencies or over intake results in many health