Nobiletin (NOB) chemically known as 5, 6, 7, 8, 3, 4-hexamethoxyflavone is a polymethoxylated flavonoid that predominantly found in the peel of citrus fruits. Animal studies and limited number clinical trials suggest NOB has multifunctional biological activities such protection against obesity related cardiometabolic disorders, neuroprotection, antidiabetic, anticancer, anti-allergy, antioxidan...