can glutathione cause migraines Neuroimmunological effects of omega-3 fatty acids on migraine: a review The metabolic face of migraine
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Zeng, C., Chen, X., Jiang, W., Liu, Y., & Fang, C

Metallomics 7 , 129135 (2015)

Astaxanthin is neuroprotective in an aged mouse model of Parkinsons disease
J.DrewD

This is based on the fact that resident bacteria in the colon produce cobalamin, which regulates gene expression in gut Bacteroidetes
