“…Concern has been expressed about metallic nanoparticles because of their toxicity and tiny size, which allows them to penetrate the brain's blood-brain barrier. Diabetic treatment might benefit from a newly developed metallic nanoparticle size (100–200 nm) with increased trapping and a reduced toxic profile [ 269 ]. New possibilities for treating diabetes have emerged thanks to the use of nanocarriers to transport antidiabetic drugs derived from plants.…”