Unit I0 of 4 read
Learn every requirement as a g/kg range with its source (carbohydrate 3-12 g/kg by training load, protein 1.2-2.0 g/kg, fluid 1.25-1.5 L per kg lost) and practise the three short sums: MET energy, daily carbohydrate and protein, and sweat loss. Draw the energy-systems chart in any Unit II or III long answer.
Suggested order: Unit I, then II, then III, then IV, and V last.