Tamtaji et al.’s study [40] showcased that the co-supplementation of probiotics and selenium over a 12-week period in Alzheimer’s disease patients had positive effects on MMSE score; hs-CRP; serum total antioxidant capacity; total glutathione; markers of insulin metabolism; triglycerides; and VLDL-, LDL-, and total/HDL cholesterol ratios. Here, INS is linked to early-onset autosomal dominant Alzheimer disease.