Items

• Micronutrients

  Nutrients needed in small amounts
• Minerals

  Elements needed for normal body function
• Mucus membrane

  Moist inner lining of organs
• Neural tube

  Embryonic tissue forming brain and spinal cord
• Neural tube defects

  Malformations of brain and spinal cord
• Niacin

  Vitamin B3
• Night blindness

  Inability to see well in dim light
• Nutrient

  Components of food essential for body functioning
• Nutrient deficiency

  Lack of sufficient nutrients
• Nutrient density

  Nutrients provided per calorie
• Nutrient profiling

  Ranking foods based on nutrient composition
• Nutrient reference values

  Recommended daily nutrient values
• Nutrient requirement

  Daily nutrient needs
• Oedema

  Build-up of fluid causing swelling
• Optimal intakes

  Intake meeting needs of healthy people
• Oral rehydration therapy

  Sugar, salt and water solution for dehydration
• Osteoporosis

  Disease causing weak porous bones
• Oxidants

  Compounds that oxidise other compounds
• Oxidative stress

  Excess free radicals in the body
• Oxygen

  Gas essential for life
• Pantothenic acid

  A B-vitamin
• Peak bone mass

  Highest bone density attained
• Pellagra

  Niacin-deficiency disease
• Pigments

  Natural colouring matter
• Phosphorus

  Mineral for healthy bones