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Table 1 Energy and nutrient intakes at breakfast, lunch, and supper

From: Can tryptophan supplement intake at breakfast enhance melatonin secretion at night?

Energy and nutrients Breakfast (TRP/placebo) Lunch Supper
Energy (kJ) 1582 3406 4004
Tryptophan (mg) 1051.9/51.9 307 300
Protein (g) 4.3 26.1 27.1
Lipid (g) 7.9 15.6 29.3
Carbohydrate (g) 72.3 139.5 143.0
Isoleucine (mg) 154.0 370.4 1064.3
Leucine (mg) 296.5 684.6 1887.1
Phenylalanine (mg) 185.7 453.1 1083.7
Tyrosine (mg) 137.6 319.8 814.7
Valine (mg) 207.9 503.1 1249.2
LNAA (mg) 981.7 2330.9 6099.0
TRP/LNAA ratio (mol/mol) 0.727/0.036 0.089 0.033
  1. Energy and nutrient contents of each meal were calculated from the Standard Tables of Food Composition in Japan [20]
  2. LNAA large neutral amino acids (isoleucine, leucine, phenylalanine, tyrosine, valine), TRP tryptophan