Grape Seed extract– is a popular antioxidant and inhibits glutamate induced cell death. “Grape seed proanthocyanidin extract inhibits glutamate-induced cell death through inhibition of calcium signals and nitric oxide formation in cultured rat hippocampal neurons.” “All these data suggest that GSPE inhibits 0.1 mM [Mg²⁺]o- and oxygen glucose deprivation-induced neurotoxicity through inhibition of calcium signals and NO formation in cultured rat hippocampal neurons.” https://www.ncbi.nlm.nih.gov/pubmed/21810275 “Polyphenols extracted from grape seeds are able to inhibit amyloid-beta (Abeta) aggregation, reduce Abeta production and protect against Abeta neurotoxicity in vitro.” “Amyloid plaques and microgliosis in the brain of Alzheimer’s mice fed with [...]