D-δ-Tocotrienol is primarily used for its potent antioxidant properties, helping to protect cells from oxidative stress and free radical damage. It supports cardiovascular health by helping to maintain healthy cholesterol levels and reducing arterial plaque formation. This compound is also studied for its potential anti-cancer effects, particularly in inhibiting the growth of certain tumor cells, including those in breast and prostate cancers. In skincare, D-δ-Tocotrienol is used to combat signs of aging by protecting the skin from UV damage and improving skin elasticity. It is also included in dietary supplements aimed at promoting cellular health, neuroprotection, and overall longevity due to its strong bioavailability and cell membrane penetration.