Vitamin E RDA Table
| Life stage | RDA (mg/day) |
|---|---|
| Infant 0–6 mo | 4 (AI) |
| Infant 7–12 mo | 5 (AI) |
| 1–3 years | 6 |
| 4–8 years | 7 |
| 9–13 years | 11 |
| 14–18 years | 15 |
| 19+ years | 15 |
| Pregnancy | 15 |
| Lactation | 19 |
| Upper limit, adult | 1,000 |
| Food | Portion | mg | %DV |
|---|---|---|---|
| Wheat germ oil | 1 tbsp | 20.3 | 135% |
| Sunflower seeds, roasted | 1 oz | 7.4 | 49% |
| Almonds, dry-roasted | 1 oz | 6.8 | 45% |
| Sunflower oil | 1 tbsp | 5.6 | 37% |
| Safflower oil | 1 tbsp | 4.6 | 31% |
| Hazelnuts | 1 oz | 4.3 | 29% |
| Peanut butter | 2 tbsp | 2.9 | 19% |
| Spinach, boiled | 1/2 cup | 1.9 | 13% |
| Broccoli, boiled | 1/2 cup | 1.2 | 8% |
| Kiwi | 1 medium | 1.1 | 7% |
Vitamin E is the antioxidant the twentieth century bet on and the trials refused: the free-radical theory made it a supplement-aisle headliner, but trial after trial - heart disease, cancer, dementia, eye disease - came back null, and one of the biggest, the SELECT prostate trial, found men taking 400 IU a day developed 17% more prostate cancer than placebo. Food vitamin E remains fully endorsed; the pill version of the same molecule lost its trials.
Almost nobody reaches the table: average American intake sits near 6-7 mg a day against a 15 mg RDA - about half the requirement - yet deficiency disease is nearly unknown outside premature infants and fat-absorption disorders. Vitamin E rides on dietary fat (nuts, seeds, oils carry it), so low intake tracks low-fat dieting rather than illness, and the body's generous liver stores buffer the shortfall for years.
The honest ceiling is high but real: 1,000 mg a day (about 45 multiples of the RDA) is the UL, set for hemorrhagic stroke and bleeding risk - vitamin E antagonizes vitamin K-dependent clotting at pharmacological doses. One label trap matters: natural d-alpha-tocopherol is roughly twice as potent as synthetic dl-alpha, so 400 IU of the synthetic kind is a materially different dose than 400 IU of the natural kind.
How to use
- Find your row: 15 mg a day for men and women from 19; 15 for teens 14-18; 11 at 9-13; 7 at 4-8 and 6 at 1-3; 4-5 mg AI in infancy; pregnancy stays 15 and breastfeeding rises to 19.
- Close the gap with the seed-and-oil shelf: one tablespoon of wheat germ oil alone is 20.3 mg (135% DV), sunflower seeds 1 oz 7.4 mg (49%), almonds 1 oz 6.8 (45%), and ordinary sunflower, safflower or canola cooking oil adds 2-6 mg per tablespoon - a handful of almonds and seed-oil cooking nearly double the national average.
- Skip the high-dose pill: at 15 mg the food column is the whole assignment; at 400 IU pills the trials returned no benefit and, in SELECT, more prostate cancer, and chronic dosing near the 1,000 mg UL tilts bleeding and hemorrhagic-stroke risk - anyone on warfarin or other anticoagulants should treat vitamin E supplements as a dose change, not a vitamin.
Frequently asked questions
How much vitamin E do I need per day?
The NIH RDA is 15 mg a day of alpha-tocopherol for men and women from 19 (15 for teens 14-18, 11 at 9-13, 7 at 4-8, 6 at 1-3, 4-5 mg in infancy). Pregnancy stays at 15; breastfeeding rises to 19. The unit counts only the alpha form; the UL is 1,000 mg a day for adults, set on bleeding risk rather than any toxicity syndrome.
What foods are highest in vitamin E?
Wheat germ oil is off the scale at 20.3 mg per tablespoon (135% DV); after it the ladder is snackable: sunflower seeds 7.4 mg per ounce (49%), dry-roasted almonds 6.8 (45%), hazelnuts 4.3 (29%), peanut butter 2.9 mg per two tablespoons (19%). Oils carry it quietly - sunflower oil 5.6, safflower 4.6, canola 2.4 per tablespoon - and greens chip in: boiled spinach 1.9 mg per half cup, broccoli 1.2. The pattern: vitamin E lives where plant fat lives, so low-fat eating is the fastest way to miss the RDA.
Why do so many people fall short of the RDA without being deficient?
Average American intake is about 6-7 mg - well under half the 15 mg RDA, and by some estimates 90% of adults miss the EAR - yet classic deficiency (nerve damage, muscle weakness, hemolytic anemia) is essentially confined to premature very-low-birth-weight infants and people with fat-malabsorption disease or the rare AVED genetic disorder. Vitamin E needs dietary fat for absorption, and the body maintains liver stores that buffer a low intake for years. The gap is real on paper; clinically, food-first intake at half the RDA has not produced an epidemic.
Did vitamin E supplement trials really fail?
They did not find the promised wins. Large randomized trials showed no reduction in cardiovascular disease (HOPE-TOO, Physicians' Health Study II), no dementia or eye-disease benefit, and SELECT - 35,533 men - found 17% more prostate cancer with 400 IU a day, an effect that persisted after the pills stopped. Meta-analyses also associate high-dose E with more hemorrhagic stroke. The antioxidant theory that sold the pills did not survive human trials; the food version of the nutrient keeps its clean record.
Natural or synthetic vitamin E - does the label matter?
Yes, by about a factor of two: natural vitamin E (d-alpha-tocopherol, RRR) is retained roughly twice as well as synthetic (dl-alpha, all-rac), so 400 IU of natural delivers close to double the effective dose. Labels give it away - natural forms list 'd-alpha', synthetic list 'dl-alpha' - and since 2016 labels are switching from IU to mg, which sidesteps the conversion. For anyone supplements at all, the practical note is that the dose calculations behind the UL assume you know which one you bought.