Feb 22, 2026Vitamin E: Tocopherol vs Tocotrienol Forms, Antioxidant Evidence, and Supplementation RisksVitamin E encompasses eight molecules: four tocopherols and four tocotrienols. Synthetic dl-alpha-tocopherol dominates the supplement market but has underperformed in trials. Tocotrienols — especially delta and gamma forms — show more promising cardiovascular and neuroprotective signals.