Compared with the placebo, omega-3 + arginine (MD −61.41; 95% CrI [−97.85, −24.85]) and probiotics (MD −21.12; 95% CrI [−40.38, −2.89])] significantly reduced IL-6 levels in CRC patients (Figure 3B). The gene discussed is IL6; the disease is colorectal carcinoma.