Antioxidants 1 Article 1 Biological Availability 1 Biological Transport 1 Carrier Proteins 1 Cell Line, Tumor 1 Dietary Supplements 1 Humans 1 Hydrogen Peroxide 1 Neurons 1 Neuroprotective Agents 1 Oxidative Stress 1 PI TPNA gene 1 SEC14L2 gene SK-N-SH cell line 1 TTPA gene 1 Tocotrienols 1 Vitamin E 1 alpha tocopherol 1 alpha tocotrienol 1 alpha-Tocopherol 1 alpha-tocopherol transfer protein 1 antioxidant 1 bioavailability 1 carrier protein 1 cell level 1 controlled study 1 dietary supplement 1 drug effect 1 gene 1