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. Author manuscript; available in PMC: 2010 Feb 9.
Published in final edited form as: Psychopharmacology (Berl). 2008 May 2;198(3):431. doi: 10.1007/s00213-008-1163-2

Table 1.

Compositions of the low (50g) and high (100g) dose of L-tryptophan depletion, loading, and balanced mixtures

L-tryptophan Formulation 50g 100g
Trp Depletion 0.00 0.00
Trp Loading 5.15 10.30
Trp Balanced 1.15 ---

15 Amino Acids

L-alanine 2.75 5.50
L-arginine 2.45 4.90
L-cysteine 1.35 2.70
Glycine hydromonochloride 1.60 3.20
L-histidine 1.60 3.20
L-isoleucine 4.00 8.00
L-leucine 6.75 13.50
L-lysine 4.45 8.90
L-methionine 1.50 3.00
L-phenylalanine 2.85 5.70
L-proline 6.10 12.20
L-serine 3.45 6.90
L-threonine 3.25 6.50
L-tyrosine 3.45 6.90
L-valine 4.45 8.90