In the MetS patients (n = 24, median 307 μg/mL, interquartile range 282–369 μg/mL), the level of clusterin was significantly lower than in the no-MetS patients (n = 21, median 367 μg/mL, interquartile range 334–411 μg/mL), p < 0.05. Here, CLU is linked to metabolic syndrome.