Vitamin E is a high-risk supplementwith an RDA of 15 mg and a safe upper limit (UL) of 1000 mg per day according to FDA standards. CNS lists a RDA of 14 mg and a UL of 800 mg; MHLW lists the same RDA but a UL of 900 mg. It has 3 known interactions with other supplements including vitamin k, omega 3, fish oil. Regular monitoring is strongly recommended when adjusting your intake.
Vitamin E sits in the Fat-Soluble Vitamins category. This page consolidates 5 regional standards, and the limits vary enough that you should not treat one region's rule as universal.
It also has 3 known interactions, so the question is not just the label dose but whether the rest of your stack adds extra risk.
Very high vitamin E may increase bleeding risk, especially with anticoagulants.
| Region | Organization | RDA | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| πΊπΈ United States | FDA | 15 | 1000 | mg |
| πͺπΊ Europe | EFSA | 15 | 1000 | mg |
| π¦πΊ Australia | TGA | 15 | 1000 | mg |
| π¨π³ China | CNS | 14 | 800 | mg |
| π―π΅ Japan | MHLW | 15 | 900 | mg |
RDA = Recommended Daily Allowance (adequate intake for most adults). UL = Tolerable Upper Intake Level (maximum safe daily amount).
High doses of Vitamin E may interfere with Vitamin K function.
Keep Vitamin E below 400 IU if taking blood thinners.
Vitamin E helps protect omega-3 from oxidation (positive interaction).
Consider taking vitamin E with fish oil.
Vitamin E helps protect fish oil from oxidation (positive interaction).
Consider taking vitamin E with fish oil.
First match your product label against the dose table above, then check whether the known interaction list includes anything in your current stack.
If you are taking multiple supplements, the safest approach is usually to audit the whole stack instead of judging a single bottle in isolation.
The safe upper limit (UL) for Vitamin E is 1000mg per day according to FDA. Exceeding this amount regularly may increase the risk of adverse effects.
The RDA for Vitamin E is 15mg per day for most adults. This amount is sufficient to meet the needs of 97-98% of healthy individuals.
Yes, Vitamin E has 3 known interactions with other supplements. High doses of Vitamin E may interfere with Vitamin K function.
Check if your supplement stack keeps Vitamin E within safe limits.
Audit My SupplementsDisclaimer: NutriAudit is a decision-support tool designed to help you review your supplement stack for potential duplicate, conflicting, or excessive ingredients. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes to your supplement routine, especially if you are pregnant, nursing, taking medications, or have a medical condition.
Based on reference standards from FDA, EFSA, TGA, and MHLW.