Evidence-graded · plain language

The forgotten half of Vitamin E.

Tocotrienols are the rarer, unsaturated members of the vitamin E family. In laboratory models they are reported to be up to 40–60× more efficient as lipid-phase antioxidants than the common alpha-tocopherol. Explore what four decades of research says, and how strong each piece of evidence is.

8natural forms in the vitamin E family
4tocotrienol isomers: α, β, γ, δ
1,000+published tocotrienol papers
HOOChromanol headshared by all 8 formsUnsaturated tail · 3 double bondswhat makes a tocotrienol
Simplified structure, not to scaleSources: annatto · palm · rice bran
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Eight areas of the body, each with the evidence split into lab, animal and human studies.

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