Frankincense- While some of these studies are geared towards arthritis, they indicate that frankincense (from the Boswellia genus) can be protective against glutamate, cytokine damage, unregulated calcium and help with neuroinflammation.  It can even help against the spread of cancer.  We personally saw increased speech when we started applying diluted frankincense essential oil to the back of our sons neck before bed. Boswellia serrata Protects Against Glutamate-Induced Oxidative Stress and Apoptosis in PC12 and N2a Cells https://www.ncbi.nlm.nih.gov/pubmed/27494534 Boswellia frereana (frankincense) suppresses cytokine-induced matrix metalloproteinase expression and production of pro-inflammatory molecules in articular cartilage http://onlinelibrary.wiley.com/doi/10.1002/ptr.3055/full “The resinous part of Boswellia serrata possesses [...]