VitaminWell-studiedVitamin

Vitamin E (Tocopherol)

Also known as Vitamin E

Half-life

~48 hours

What is Vitamin E (Tocopherol)?

Fat-soluble antioxidant vitamin protecting cell membranes from lipid peroxidation. Mixed tocopherols preferred over alpha-only.

How Vitamin E (Tocopherol) works

Donates a hydrogen atom to peroxyl radicals, breaking lipid peroxidation chain reactions in cell membranes, and regenerated by vitamin C — protecting polyunsaturated fatty acids from oxidative damage.

Benefits & uses

Antioxidant/cell protection
Skin health
Supports immune function

Common uses: Antioxidant protection, cardiovascular health, immune function, skin health.

Longevity

Vitamin E (Tocopherol) dosage

Typical dose: 200–400 IU/day of mixed tocopherols with food. Avoid synthetic dl-alpha only form.

Vitamin E (Tocopherol) half-life

~48 hours (plasma alpha-tocopherol)

Vitamin E (Tocopherol) side effects

High doses (>1000 IU/day) may increase bleeding risk. Alpha-tocopherol alone may deplete gamma-tocopherol.

Hemorrhagic stroke risk at very high doses (>1000 IU/day)
Alpha-tocoherol alone may paradoxically increase cardiovascular risk — use mixed tocopherols
Avoid high doses pre-surgery
Well tolerated at normal doses
High doses may increase bleeding risk

Warnings & monitoring

High doses can increase bleeding risk with anticoagulants

Track Vitamin E (Tocopherol) in Protokol.

Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.