Fat soluble vitamins; A, D, E and K Introduction, Functions, Deficiency

1. Introduction to Fat-
Soluble Vitamins
Fat-soluble vitamins are essential nutrients that are stored in the body's
fatty tissues and liver. They play crucial roles in maintaining overall health
and well-being. This presentation will provide an overview of the four key
fat-soluble vitamins: Vitamins A, D, E, and K.
by Jayprakash Kushwaha

2. Vitamin A: Introduction, Functions,
Sources, Deficiency, RDA, Treatment
Introduction
Vitamin A is a group of fat-soluble
retinoids that are essential for vision,
immune function, and skin health.
Functions
Vitamin A supports eye health, immune
function, and cell growth and
differentiation.
Deficiency
Vitamin A deficiency can lead to night
blindness, increased risk of infections,
and skin disorders.
Treatment
Vitamin A can be obtained through
dietary sources or supplementation, with
the RDA ranging from 300-900 mcg per
day.

3. Vitamin D: Introduction, Functions,
Sources, Deficiency, RDA, Treatment
1
Introduction
Vitamin D is a fat-soluble vitamin that
plays a crucial role in calcium and
phosphorus homeostasis.
2
Functions
Vitamin D supports bone health,
immune function, and may have
additional benefits for heart and brain
health.
3
Treatment
Vitamin D can be obtained through sun
exposure, dietary sources, or
supplementation, with the RDA ranging
from 600-800 IU per day.

4. Vitamin E: Introduction, Functions,
Sources, Deficiency, RDA, Treatment
Introduction
Vitamin E is a group of fat-
soluble antioxidants that
protect cells from oxidative
stress.
Functions
Vitamin E supports
immune function, skin
health, and cardiovascular
health.
Treatment
Vitamin E can be obtained
through dietary sources or
supplementation, with the
RDA ranging from 15-30
mg per day.

5. Vitamin K: Introduction, Functions,
Sources, Deficiency, RDA,
Treatment
1 Introduction
Vitamin K is a group of fat-soluble
vitamins that play a key role in blood
clotting and bone health.
2 Functions
Vitamin K supports blood clotting,
bone mineralization, and has
potential benefits for cardiovascular
health.
3 Treatment
Vitamin K can be obtained through dietary sources or supplementation, with the RDA
ranging from 90-120 mcg per day.

6. Factors Affecting Fat-Soluble Vitamin
Absorption
Dietary Fats
The presence of dietary
fats is crucial for the
efficient absorption of fat-
soluble vitamins.
Liver Function
The liver plays a vital role
in the storage and
metabolism of fat-soluble
vitamins.
Gut Health
Proper gut function and
the presence of bile salts
are necessary for the
absorption of fat-soluble
vitamins.

7. Conclusion and Key Takeaways
Importance of Fat-
Soluble Vitamins
Fat-soluble vitamins are
essential for maintaining
overall health and well-
being.
Balanced Intake
Ensuring a balanced intake
of fat-soluble vitamins
through diet and
supplementation is crucial.
Factors Affecting
Absorption
Understanding the factors
that affect the absorption of
fat-soluble vitamins is
important for optimizing
their benefits.