Nutrition is the process by which the body absorbs nutrients from food for growth and metabolic activities. There are seven main types of nutrition that humans need: carbohydrates, proteins, fats, water, minerals, fibers, and vitamins. Each nutrient plays an important role and has different sources where they can be obtained, such as vegetables, fruits, grains, meat, and dairy. Maintaining the right proportion and balance of these nutrients is essential for overall health and well-being.

1. Topic:-
Nutrition

2. Content of the presentation
Introduction
What Is the Meaning of Nutrition?
What Is the Difference Between Autotrophic and Heterotrophic Nutrition?
What Are the Types of Nutrition That Humans Need?
All 7 types of nutrition
What Are Some of the Healthy Sources of Nutrients?
What Is the Exact Proportion of Nutrients Needed for the Body?

3. A balanced diet must contain the right proportion of
fruits, vegetables, nuts, seeds, and meat for
complete well-being.
These food items are the best source of the seven
vital nutrients that support physical and mental
health.
Typically, the nutrients include fats, carbohydrates,
proteins, vitamins, dietary fibers, minerals, and
water.
These elements offer nourishment to the body and
protect it from major diseases.
Hence, it is imperative to know the essential types
of nutrition and their function for a healthy lifestyle.
Let’s begin the process by understanding what is
nutrition and its types first.

4. What Is the Meaning of Nutrition?
Nutrition is the physiological process of acquiring energy from food sources for growth and metabolic
activities. The body starts absorbing these nutrients as digestion begins.
Typically, there are two major categories of nutrients, namely micronutrients and macronutrients.
The micronutrients, such as calcium, iron, vitamins, etc., fall under this category. These nutrients extend
components required for the metabolic activity of the body. They also repair and build the damaged tissues to
support the organs.
Macronutrients are the crucial energy source in the body, which is produced by breaking down food items.
Compounds like proteins, fats, and carbohydrates are considered macronutrients.
Technically, the body is incapable of producing most nutrients. For instance, the body can not produce fat-
soluble compounds like vitamin E, which works as an antioxidant. Therefore, an individual needs to consume
vegetables and fruits rich in vitamin E to fulfill the requirement.
To understand the concept better, one needs to list down how many types of nutrition are available first. The
types of nutrition are segregated into two categories, namely, autotrophic and heterotrophic.

5. What Is the Difference Between
Autotrophic and Heterotrophic Nutrition?
Autotrophic Nutrition
The term autotrophic nutrition combines two terms, ‘auto’ meaning self and ‘trophic’ meaning nutrition. The
organism falling under this category contains a green pigment called chlorophyll which traps energy from
the sunlight.
Under this process, organisms prepare their own food from inorganic minerals such as carbon dioxide,
water, mineral salts, etc. Plants break down this food into glucose for survival. This entire process is called
photosynthesis.
Chemotrophic nutrition is also a part of this nutrition mode where the organism synthesizes organic food by
chemical reaction. They use substrates like hydrogen sulfate, iron, nitrate, etc., to break down the food.
Nitrobacter, sulfur bacteria are examples of chemo-autotrophs.

6. Heterotrophic Nutrition
Heterotrophic organisms can not produce food independently and depend on animals and plants
for their food source. This group is divided into three categories depending on the choice of food
and mode of feeding.
•Holozoic- The organism in this category feeds on plants and animals to absorb the needed
nutrition. Carnivorous, omnivorous, herbivorous, coprophagous, etc., are some of the
subcategories of holozoic nutrition mode.
•Symbiotic- In this mode, two or more organisms depend on each other for food.
Commensalism, parasitism, and mutualism are part of this nutrition mode.
•Saprotrophic- These organisms feed on the dead and decaying matter. Bacteria, fungi,
earthworms, etc., follow a saprotrophic nutrition mode.
Since humans follow a heterotrophic nutrition mode, they depend on fruits, vegetables, and meat
to procure the essential nutrients. This is a primary reason why dieticians suggest consuming a
nutritious meals.
Now let’s focus on what are different types of nutrition and their source to simplify the concept
further.

7. What Are the Types of Nutrition
That Humans Need?
Here is a list of the seven vital nutrients that are essential for the well-being of human beings. It is
imperative to know that some types of nutrition in humans are independently produced by
breaking down the food.
1. Carbohydrate
2. Protein
3. Fats
4. Water
5. Minerals
6. Fibers
7. Vitamins

8. 1. Carbohydrate
Carbohydrates are also known as carbs. Food items
like rice, noodles, bread, grain-based products, etc., are
rich in carbs.
This is because the human body breaks down the
carbs into glucose, which supports brain and body
function. They also prevent loss of muscle mass by
preventing the body from breaking down the protein into
energy.
Therefore, consuming complex carbohydrates can
keep an individual fuller for a long time and manage
body weight.

9. 2. Protein
They are a group of molecules that form
amino acids. Proteins help in muscle
formation and create enzymes and
hormones. There are nearly 20 amino acids
in the body’s protein, where nearly 10 are
absorbed from the diet.
A human body needs amino acids to
produce new proteins and repair damaged
proteins. Including various foods into a diet
like eggs, red meat, dairy, beans, and nuts
would fulfil the protein requirements.

10. 3. Fats
Fats are essential to support cell growth and
supply energy to the body. The body uses fat to
absorb vitamins. They supply energy to the body
and protect organs from damage. Fats are known
to keep the body warm and energetic.
Typically, one can find food items containing
saturated and unsaturated fats. Consuming foods
with low saturated fat like butter, seafood, cheese,
coconut oil, chocolate, etc., is always healthier.
Foods like salmon, nuts, and avocados are natural
sources of unsaturated fats.

11. 4. Water
Every human needs 2 - 4 liters of
water per day. It helps in the
formation of digestive juices, the
basis of blood, urine, and sweat. In
addition, water is required to
regulate body temperature, reduce
the risk of cystitis, maintain cell
health, lubricate cushion joints,
and keep the bladder clean from
bacteria.

12. 5. Minerals
Minerals are essential micro-nutrients that
help in building strong bones and
maintaining a healthy heart rate. Sodium,
Chloride, Magnesium, Sulfur, Phosphorus
and Calcium are vital minerals for the human
body.

13. 6. Fibers
Dietary fibers are a form of carbohydrates or
polysaccharides that help in digestion.
However, the human body doesn’t gain any
nutrients or calories from the fibers. However,
it helps in removing the toxic waste from the
digestive system.
Moreover, it regulates bowel movement and
removes the risk of cancer from the body.
Whole meal bread, wheat, bran, nuts,
vegetables, etc., are rich sources of fiber.

14. 7. Vitamins
Vitamins are essential nutrients that the body needs
in small amounts. Typically, the body can't produce
vitamins. Thus, it needs to be consumed in a diet.
They are grouped as water-soluble and fat-soluble.
Vitamins D, A, E, and K are fat-soluble vitamins that
easily travel through the kidneys and are excreted.
On the other hand, folate, riboflavin, vitamin C,
vitamin B12, vitamin B6, niacin, and thiamin are
water-soluble vitamins stored in the body cells.

15. What Are Some of the Healthy
Sources of Nutrients?
Simply understanding what the types of nutrition are won’t help an individual
maintain a healthy lifestyle. Instead, they need to take the initiative to plan a
meal that combines the benefits of the discussed nutrients.
Vitamin- Green leafy vegetables, milk, poultry, eggs, fish, nuts, and seeds are
great sources of vitamins.
Minerals- Spinach, banana, egg yolk, nuts and seeds, fortified cereals, etc.
Protein- Chicken, fish, turkey, lentils, milk, and egg.
Fiber- Fruits, millets, and sprouts.
Carbohydrate- Rice, bread, whole grain, etc.
Fats- Nuts, unsaturated fats, etc., are good sources of fats.
Water

16. What Is the Exact Proportion of
Nutrients Needed for the Body?
1. Vitamin
Biotin- 0.3 mg
Folate- 0.4 mg
A- 0.6 mg
B1- 0.14 mg
B2- 0.16 mg
B3- 0.18 mg
B5-0.6 mg
B6-0.2 mg
B12- 0.6 mg
C- 0.75 mg
D- 0.5 mg
E- 0.10 mg
Vitamin K- 0.80
mg
2. Minerals
Calcium- 1000
mg
Iron- 15 mg
Magnesium-
350 mg
Chromium- 0.12
mg
Copper- 2 mg
Chlorine- 3400
mg
Fluorine -3.5 mg
Iodine -0.15 mg
Nickel -1 mg
Manganese- 5
mg
Molybdenum-
75 mg
Potassium-3500
mg
3. Protein
An adult should
consume nearly
800 mg of
protein every
day.
4. Fiber
An individual
should
consume nearly
30,000 mg of
fiber regularly.
5.
Carbohydrate
Adults should
consume 325000
mg of
carbohydrates
regularly.
6. Fats
The fat intake
in an adult
should be
77000
milligrams per
day.
7. Water
Adult- Experts
recommend
drinking at least
1.5 to 2 liters of
water every day.

17. Thankyou