The Components of A Balanced Diet
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- Proteins – for growth and repair of body tissue
- Carbohydrates – main sources of energy
- Lipids/fats – rich source of energy, as components of cell membrane and signalling molecules, as myelin that insulate neurons
- Vitamins – for biochemical reactions
- Minerals – maintaining ionic balance and biochemical reactions
- Water – as solvent for molecules to dissolve in
- fiber - aid in movement of food through the gut
AGE | RDA/ kcal per day | |
MALES | FEMALES | |
0-3 months | 545 | 515 |
4-6 months | 690 | 645 |
7-9 months | 825 | 765 |
10-12 months | 920 | 865 |
1-3 years | 1230 | 1165 |
4-6 years | 1715 | 1545 |
7-10 years | 1970 | 1740 |
11-14 years | 2220 | 1845 |
15-18 years | 2755 | 2110 |
19-50 years | 2550 | 1940 |
51-59 years | 2550 | 1900 |
60-64 years | 2380 | 1900 |
64-74 years | 2330 | 1900 |
Over 75 years | 2100 | 1810 |
Pregnancy | +200 | |
lactation | +450-480 | |
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