Table 2 Values of plasma amino acids (μmol/L) at −10, 30, 60, 90 and 120 minutes post-supplementation
From: Acute L-Arginine supplementation does not increase nitric oxide production in healthy subjects
Amino acid | L-Arg (n =9) | Pla (n =8) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|  | −10 | 30 | 60 | 90 | 120 | −10 | 30 | 60 | 90 | 120 |
L-citrulline | 57.4 | 125.2 | 75.2 | 89.7 | 82.2 | 56.2 | 76.9 | 66.2 | 75.9 | 79.8 |
|  | ±31.2 | ±136.3 | ±45.4 | ±92.9 | ±78.0 | ±28.1 | ±26.3 | ±43.0 | ±53.9 | ±63.0 |
L-arginine | 151.7 | 209.9 | 192.3 | 204.9 | 224.7 | 146.2 | 123.3 | 133.4 | 138.8 | 150.8 |
|  | ±33.9 | ±39.1*** †| ±51.3* | ±55.1* | ±57.8* a | ±44.3 | ±44.6 | ±36.0 | ±42.2 | ±34.8 |
L-ornithine | 127.5 | 153.2 | 154.0 | 143.1 | 147.0 | 93.4 | 119.8 | 101.1 | 105.5 | 110.4 |
|  | ±87.1 | ±84.9 | ±65.7 | ±55.9 | ±65.4 | ±23.7 | ±88.8 | ±49.6 | ±59.9 | ±59.2 |