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There are eight different forms of vitamin E. The four tocopherols (alpha-, beta-, gamma- and delta-tocopherol) share a saturated phytyl side chain. The four analogous tocotrienols have a triple-unsaturated side chain.
The unsaturated bonds on the side chain give the tocotrienols greater antioxidant activity and a different biologic action. When those bonds become saturated, the molecule becomes a tocopherol. Reports from laboratory studies indicate a 40-60 times higher antioxidant activity against lipid peroxidation with d-alpha-tocotrienol than with d-alpha-tocopherol and 6.5 times more protection of cytochrome P-450 against oxidative damage. Cytochrome P-450 is present in most tissues and serves as an oxygenating catalyst in a variety of reactions.
| Ingredient | Amount Per Serving | %DV |
|---|---|---|
| Vitamin E (as D-alpha tocopherol) | 100 IU | 333% |
| Gamma Tocotrienols | 25 mg | †|
| Alpha Tocotrienols | 14 mg | †|
| Delta Tocotrienols | 7 mg | †|
| Beta Tocotrienols | 2 mg | †|
| *Daily Value not established |
| Other Ingredients |
|---|
| gelatin (capsule), glycerin, purified water. |
Take one softgel capsule once or twice daily, or more, as directed by a health care professional.