(1) Cationic Chitosan@LT-PLGA C/SNPs help in transporting LT to brain via intranasal route and the LT is able to supress the oxidative stress inside the cells(2) LT as potential remedy for decreasing oxidative stress while Chitosan@LT-PLGA C/SNPs as efficient carrier and intranasal route as an efficient route for brain targeting of LT in the treatment of AD.