Figure 2

Time course of carnosine concentration in blood (A), vastus lateralis muscles (B) and following ingestion of carnosine, β-alanine, or water; 2 g/kg body weight carnosine (closed squares), β-alanine (open triangles), or water (closed circles) was orally administered to mice (n = 6–8). Values are means ± SD. Significant differences after administration were analyzed by using Tukey-Kramer test (**P < 0.01).