2. What Is Nutrition?
The science or study of food and the
ways in which the body uses food.
Nutrients are the substances in food
that provide energy or help form body
tissues and are necessary for life and
growth.
3. Proper Diet
Along with exercise, a proper diet is
essential for weight control and physical
fitness.
How you eat has a huge impact on your
physique and how your body
metabolizes food.
5. Carbohydrates
Carbohydrates are energy-giving
nutrients that include sugars,
starches, and fiber.
Sugars are the simplest form of
carbohydrates.
Starches are more complex
carbohydrates that can be broken
down into sugars.
1 gram of carbohydrate equals 4
calories.
6. Carbs Continued
Glycogen is a form of carbohydrate your
body uses for short-term energy storage.
Fiber is a complex carbohydrate that
provides little energy and cannot be digested.
However, fiber is important to keep your
digestive system healthy.
8. Simple Sugars
Glucose is a single sugar
Fructose, lactose and sucrose are
double sugars and are linked with
glucose
Glycogen: quick energy stores
If you eat more than your body needs it
is stored as fat
11. Starches and Fiber
Starches: plant foods (potatoes, beans,
peas, and grains such as rice corn and
wheat).
Fiber: provides little energy and is
indigestible.
Keeps your digestive tract healthy.
Soluble fiber: dissolves in water. Helps trap
cholesterol.
Insoluble fiber: add bulk to waste.
13. Fats
Fats are the body’s main form of long-term
energy storage.
Fats are large molecules made up of fatty
acids and glycerol.
Fatty acids are long chains of carbon atoms
attached to hydrogen atoms.
Fats are classified by the types of fatty acids
they contain.
14. Saturated Fat
Saturated fats contain saturated fatty
acids.
Saturated fats are usually solid at room
temperature. They come from foods
such as meat and milk.
Eating too many saturated fats can lead
to obesity, high cholesterol levels, and
increased risk of heart disease.
15. Unsaturated Fat
Unsaturated fats contain unsaturated
fatty acids.
Saturated fats are usually liquid at room
temperature. They come from foods
such as oils and fish.
16. Trans Fat
An unhealthy substance made through
the chemical process of hydrogenation
of oils. Hydrogenation solidifies liquid
oils and increases the shelf life and the
flavor stability of oils and foods that
contain them.
19. Cholesterol
Found in all animal tissues.
You make it and you eat it.
Cholesterol is necessary for certain essential
functions in the body.
Low-density lipoprotein: brings cholesterol to
the body cells.
When your LDL is too high plaque is
deposited on the walls of blood vessels.
LDL= bad cholesterol.
22. Which Fat?
You need fat in your diet
Too much is bad!!!!
Limit saturated fats, cholesterol, and
trans fats
Focus on unsaturated fats
25-35% of your diet should come from
fat
1 gram of fat = 9 calories
23. Protein
Proteins are made of amino acids, which are
used in building and repairing structures in
the body.
Proteins are also needed for hormones,
enzymes, and other essential molecules.
24. Protein Continued
Essential amino acids are nine amino
acids that the body cannot produce on
its own.
Complete proteins are dietary proteins
that contain all the essential amino
acids.
Incomplete proteins do not contain all
the essential amino acids.
25. Uses for Proteins
Body building nutrient
Build & repair tissue
Hormones, enzymes, antibodies
Energy
Americans get too much protein
Excess stores as fat
1 gram of protein = 4 calories
26. Metabolism
Metabolism is the sum of the chemical
processes that take place in your body
to keep you alive and active.
Metabolism requires energy from
carbohydrates, fats, and proteins.
The energy in food is measured in
calories.
27. What Is a Calorie?
A calorie is the amount of heat
needed to raise the temperature of
a liter of water 1 degree.
Relax. It is just a scientific way to
measure energy.
28. What Do You Need to Know
About Calories?
Think about what you regularly eat,
What your calorie needs are,
And how to count calories.
It takes approximately 3,500 calories below
your calorie needs to lose a pound of body
fat.
It takes approximately 3,500 calories above
your calorie needs to gain a pound.
29. Calories Count—and They Come
From Both Food and Beverages.
When eating packaged foods (for
example, frozen, canned, and some
prepared foods from the grocery store),
counting your calories is easy—it's on
the nutrition facts label.
When eating foods that do not have a
nutrition facts label, you should pay
attention to portion size.
30. We need food for energy
Fat
Carbohydrate
Protein
Carbohydrate
As we eat, our body uses that
energy for all processes and
energy for exercise
Some nutrients that we do not
use is stored temporarily as
glycogen
If we do not exercise our bodies
will convert the energy into
FAT
Fat
Carbohydrate
Protein
Fat
Protein
Protein
Carbohydrate
Fat
32. All Nutrition in one glass.
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diet .
This is healthy
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33. IF YOU ARE INTERESTED
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