Recent data have shown that a 30-day medium-chain triglycerides intervention induced ketosis, increased concentrations of LPC 16:0, P-18:1, P-18:0, 20:2, and 22:5, and improved cognitive function in patients with mild to moderate Alzheimer’s disease who are not apolipoprotein E ɛ4 carriers [39]. This evidence concerns the gene APOE and Alzheimer disease.