Table 4.

Serum metabolite concentration (mmol/L) according to the type of exercise; measured before and at the time of maximum intensity.

Metabolite	Exercise			Pharmacological
	Before	Maximum intensity	p	Before	Maximum intensity	p
3-Hydroxybutyrate	0.044 ± 0.027	0.039 ± 0.025	0.591	0.043 ± 0.021	0.044 ± 0.023	0.994
Acetate	0.021 ± 0.014	0.022 ± 0.016	0.898	0.027 ± 0.013	0.094 ± 0.406	0.994
Alanine	0.008 ± 0.004	0.011 ± 0.006	0.0006	0.009 ± 0.005	0.009 ± 0.004	0.994
Betaine	0.021 ± 0.015	0.021 ± 0.015	0.898	0.024 ± 0.021	0.026 ± 0.020	0.994
Creatine	0.014 ± 0.010	0.014 ± 0.010	0.898	0.014 ± 0.008	0.016 ± 0.013	0.994
Creatinine	0.027 ± 0.016	0.027 ± 0.016	0.898	0.042 ± 0.037	0.042 ± 0.035	0.994
Glucose	1.725 ± 1.048	1.608 ± 1.028	0.898	1.980 ± 0.970	1.982 ± 0.980	0.994
Glycine	0.019 ± 0.029	0.013 ± 0.018	0.448	0.020 ± 0.021	0.020 ± 0.011	0.994
Isoleucine	0.063 ± 0.037	0.062 ± 0.037	0.898	0.069 ± 0.032	0.072 ± 0.041	0.994
Lactate	0.934 ± 0.548	1.599 ± 0.970	2.3 10−6	1.082 ± 0.488	1.025 ± 0.461	0.994
Threonine	0.135 ± 0.085	0.145 ± 0.088	0.898	0.163 ± 0.075	0.164 ± 0.096	0.994
Valine	0.103 ± 0.062	0.099 ± 0.067	0.898	0.105 ± 0.051	0.109 ± 0.060	0.994

P values were corrected for multiple comparisons.