Macronutrients

• Nutrients

  Provide nourishment essential for the maintenance of life and for growth
• 6 nutrients

  Carbohydrates

  Protein

  Fats

  Vitamins

  Minerals

  Water
• Macronutrient

  Nutrient we need large amounts of
• Carbohydrates


  The bodies main source of energy
• Carbohydrates

  Fuel for the body
• Carbohydrates 


  Rich in glucose
• Carbohydrates food sources

  • Fruits
  • Potatoes
  • Bread
  • Pasta
  • Rice
• Carbohydrates = 16kj per gram
• Fibre


  Type of carbohydrate which helps to regulate the functioning of our digestive system
• Fibre


  Helps absorb water
• Fibre = indigestible
• Fibre

  Provides a feeling of fullness
• Fibre


  Reduces cholesterol
• Protein

  Growth, maintenance and repair of body cells and structures
• Protein

  Secondary energy source if not enough glucose
• Protein - 17kj per gram
• Too much protein

  • Dehydration
  • Kidney disease
  • Increase chance of osteoporosis
• Protein food sources

  • Lean meat (poultry, fish)
  • Eggs
  • Dairy products (milk, yoghurt, cheese
  • Beans
• Fats


  Fuel for energy production
• Energy-dense foods


  Foods that have a lot of energy but no other nutrients
• Too much fat

  • Obesity
  • Cardiovascular disease
• Monounsaturated and polyunsaturated fats

  Good for you in moderation
• Saturated and trans fats 


  Bad for you if you have too much
• Low density lipoproteins (LDL)


  Cholesterol that is not good for you
• Monounsaturated fats 


  Assist in the lowering of LDL
• Fats = 37kj per gram
• Monounsaturated fats food sources

  • Olive oil
  • Avocado
  • Nuts
  • Peanut butter
• Polyunsaturated fats

  Omega 3 - promotes the elasticity of blood vessels, pump more blood through our body

  Found in fish (Salmon)
• Polyunsaturated fats

  Omega 6 - essential for cell structure

  Found in nuts and seeds
• Saturated fats

  Increase the amount of LDL - clogs blood vessels which contributes to risk of cardiovascular disease
• Saturated fats food sources

  • Fatty meat
  • Full cream milk
  • Takeaway foods
• Trans fats 


  Stop the cell membrane from forming its correct function
• Trans fats food sources

  • Processed foods
  • Margarines and spreads