Summary: Role of vitamins in body

1.  M.Arbaz Khan
15002242002
 AHMAD RAZA
15002242003
PRESENTED BY:
SECTTION: A
PRINCIPLE OF HUMAN
NUTRITION
Resource person:Ma’am Amina Ashraf
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“A group of organic compounds that are
essential for normal growth and nutrition
and are required in small quantities in the
diet because they cannot be synthesized
by the body”.
WHAT IS VITAMIN?

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There are 13 vitamins that are essential for body
function.
Vitamins are a group of substances that are essential
for overall health, normal cell function, growth and
development.
Because these vitamins are so vital to good health, it is
important to understand their roles and functions.
All essential vitamins can be found in food sources as
well as supplemented in various forms.
ROLE OF VITAMIN

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A vitamin deficiency occurs when you do not get
enough of a certain vitamin.
Vitamin deficiency can cause health problems.
Not eating enough fruits, vegetables, beans, lentils,
whole grains and fortified dairy foods may increase
your risk for health problems, including heart
disease, cancer, and poor bone health
(osteoporosis).
Vitamin deficiency

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CLASSIFICATION OF
VITAMINS

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FAT
SOLUBLE
VITAMIN A
VITAMIN D
VITAMIN E
VITAMIN
K

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WATER
SOLUBLE
VITAMIN B
VITAMIN C

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WATER SOLUBLE
VITAMINS

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There are nine water-soluble vitamins.
The body must use water-soluble vitamins right
away.
Any leftover water-soluble vitamins leave the
body through the urine.
Vitamin B12 is the only water-soluble vitamin
that can be stored in the liver for many years.
Water-soluble vitamins

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ROLE OF VITAMIN B1
It is also called as “Thiamins”.
Your body needs it to form adenosine tri
phosphate (ATP), which every cell of the body
uses for energy.
It is named B1 because it was the first
B vitamin discovered.

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Thiamine is found in both plants
and animals and plays a
crucial role in certain metabolic
reactions.

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ROLE OF VITAMIN B2
Vitamin B2, also called riboflavin, is
one of 8 B vitamins.
These B vitamins, often referred to as B-
complex vitamins, also help the body
metabolize fats and protein.

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All B vitamins help the body to
convert food (carbohydrates) into fuel
(glucose), which is used to produce
energy.

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Vitamin B3 is also known as niacin.
Vitamin B3 (niacin) is important for the
body because it helps to: Convert food into
glucose, used to produce energy.
ROLE OF VITAMIN B3

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Produce macromolecules,
including fatty acids and
cholesterol.
Facilitate DNA repair and
stress responses.

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Vitamin B6 helps the body make several
neurotransmitters, chemicals that carry
signals from one nerve cell to another.
ROLE OF VITAMIN B6

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It is needed for normal brain
development and function, and helps
the body make the hormones serotonin
and nor epinephrine, which influence
mood, and melatonin, which helps
regulate the body clock.

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ROLE OF VITAMIN B9
Genetic information
DNA synthesis

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Mental or emotional health

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ROLE OF VITAMIN B12
New cell synthesis
Nerve cell maintenance
Co-Enzyme in Fatty acid or Amino acid
metabolism

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ROLE OF VITAMIN C
You need vitamin C for the growth
and repair of tissues in all parts of your
body.
It helps the body make collagen, an
important protein used to make skin,
cartilage, tendons, ligaments, and blood
vessels.

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Vitamin C is needed for
healing wounds, and for
repairing and maintaining bones
and teeth.

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FAT SOLUBLE VITAMINS

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Fat-Soluble Vitamins
Fat-soluble vitamins are stored in the
body's fatty tissue.
The four fat-soluble vitamins are
vitamins A, D, E, and K.
These vitamins are absorbed more
easily by the body in the presence of
dietary fat.

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Vitamin A helps form and maintain
healthy skin, teeth, skeletal and soft
tissue, mucus membranes, and skin.
ROLE OF VITAMIN A

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It is also known as retinol because it
produces the pigments in the retina of the
eye.
Vitamin A promotes good vision,
especially in low light.

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Vitamin D is a fat-soluble vitamin that
is best known for working with calcium
in your body to help build and maintain
strong bones.
ROLE OF VITAMIN D

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Vitamin D is also involved in
regulating the immune system and
cells, where it may help prevent
cancer.

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Vitamin E is an antioxidant. This
means it protects body tissue from
damage caused by substances called free
radicals, which can harm cells, tissues,
and organs.
ROLE OF VITAMIN E

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They are believed to play a role in
certain conditions related to aging.

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Vitamin K is a fat-soluble vitamin, so
your body stores it in fat tissue and the
liver. It is best known for its role in
helping blood clot, or coagulate,
properly.
ROLE OF VITAMIN K

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The "K" comes from its German
name, Koagulations vitamin. Vitamin
K also plays an important role in bone
health.

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