Table 2. Fold change values for 15 metabolites changed immediately after the 75-km cycling time trials (VIP score >1.0 and ranked by FDR adjusted p-values, all <0.001).

Serum Metabolite	Mean Fold Change
Palmitoleic Acid	22.0
2,3,4-Trihydroxybutanoic Acid	3.1
Malic Acid	5.6
Succinic Acid	12.7
Palmitic Acid	3.9
Oleic Acid	6.1
Heptadecanoic Acid	2.8
D-Fructose	11.5
2-Hydroxybutyric Acid	1.9
L-Isoleucine	0.7
L-Glutamic Acid	1.7
2-Aminobutyric Acid	0.7
L-Methionine	0.9
Pyruvic Acid	2.8
L-Proline	0.9