Table 1.

 Caloric and nitrogen intake in the four groups under study

Group	Calories (kcal/kg/24 h)	Nitrogen (g/kg/24 h)	Supplement (g/kg/24 h)
			Cit	Arg	Ala	Asn	Gly	Ser	His	Pro
Citrulline	200	2	1.000	–	0.085	0.063	0.071	0.01	0.049	0.109
Arginine	200	2	–	0.994	–	–	–	–	–	–
Control	200	2	–	–	0.339	0.251	0.286	0.399	0.197	0.438
Sham	200	2	–	–	0.339	0.251	0.286	0.399	0.197	0.438

See materials and methods for more details.

Cit, citrulline; Arg, arginine; Ala, alanine; Asn, asparagine; Gly, glycine; Ser, serine; His, histidine; Pro, proline.