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Simplified diagrams indicating the biochemical properties of several natural products are shown. Several herbs and/or their ingredients may contribute to the neuroprotection against the progression of Alzheimer’s disease. Hammerhead represents inhibition. DPP4: Dipeptidyl-peptidase-4; GLP1: Glucagon-like peptide-1; mTOR: Mammalian/mechanistic target of rapamycin.
