NUTRITION 101What is nutrition?

MacronutrientsMicronutrients

Calories

What is Nutrition? It is the science behind how your body

uses the components of food to grow, maintain and repair itself.

Your body needs more than 50 nutrients on a daily basis in order to function properly

The 50 nutrients belong to one of 6 general categories: Carbohydrates, Fat, Protein, Minerals, Vitamins and Water.

Carbohydrates (CHO) Main supply of energy – up to 50% 4 calories (energy) in each gram of CHO Come in 3 basic forms:

1. Simple and Refined Carbs2. Complex Carbs3. Fibre

Using text pgs 292-293 make notes on the above.

Carbohydrates Con’t

All CHO are broken down into simple sugars (glucose)

Excess CHO intake can lead to high blood sugar this could lead to hypertension, atherosclerosis and heart disease

Proteins (PRO)

Very large molecules made of amino acids (AA)

22 AA 9 cannot be synthesized by the body – called essential, and MUST be consumed through food

4 calories (energy) in each gram of PRO

Proteins Con’t Ideal intake of PRO is 0.8g/kg of body

weight

Essential to growth and repair of muscle and other body tissues

Using text pgs 292-293 add to these points, including high and low quality protein

sources

Fats Fats fuel you with the most amount of

energy – 9 calories in each gram of fat They help your body grow and keep your

skin looking healthy Excess amounts will increase cholesterol

leading to obesity, heart disease, diabetes and even cancer

Types of Fat

Types of Fat