Table 2. Nutritional intake.

Author + year	Control group	Intervention group
Arbeille et al. 2012 Beller et al. 2011 Lee et al. 2014 Scheider et al. 2007 S. Trappe et al. 2008 T.A Trappe et al. 2007	1.0 g protein·kg-1·day-1	Leucine enriched protein diet (LPD): 1.45 g protein·kg-1·day-1 of dietary protein plus 3.6 g/day of free leucine, 1.8 g/day of free isoleucine, and 1.8 g/day of free valine
Bosutti et al. 2016	1.2 g protein·kg-1·day-1	Protein plus potassium (KHCO3): Control diet plus 0.6 g whey protein·kg−1·day−1 and 90 mmol KHCO3/day iso-calorically replacing fat and carbohydrate
Florian et al. 2015	-25% of required daily energy intake (9.0±1.1 MJ/day)	Normal energy intake: Required daily energy intake (9.0±1.1 MJ/day)
Zwart et al. 2005	Required daily energy intake with protein and carbohydrate accounting for 14% and 59%, respectively.	Amino acids plus carbohydrates: Control diet plus 16.5 g of essential amino acids and 30 grams of sucrose three times a day
Rejc et al 2015	1.2 times resting energy expenditure with 60% of energy as carbohydrate, 25% as fat and 15% as protein.	High energy intake: Diet containing 1.4 times resting energy expenditure with 60% of energy as carbohydrate, 25% as fat and 15% as protein.

Daily dietary and supplemental nutrient intake for the control and intervention groups.