Product Label

Quest Vitamin E 800 IU

Brand: Quest · Form: SOFTGEL CAPSULE [E0161] On Market

Our assessment

The evidence shows that Quest Vitamin E 800 IU is a high-dose supplement. For most adults, the recommended daily allowance for vitamin E is 15 mg (22.4 IU), making 800 IU a significantly higher amount. Data not available specifically for this product's ingredient list or brand. Our assessment: you should approach this dose with caution and consult a healthcare provider before starting [NIH ODS].

How it works

Vitamin E acts as a fat-soluble antioxidant, protecting cell membranes from damage caused by free radicals. It also supports immune function and helps widen blood vessels to prevent clotting [NIH ODS]. Because the data provided does not specify vitamin E's mechanism in detail, we rely on general understanding: it helps maintain healthy skin and eyes while supporting your body's natural defense systems.

Safety profile

FDA received a total of 592,059 adverse event reports across all supplements, but specific report counts for Quest Vitamin E 800 IU are not available. High doses of vitamin E (above 1,000 mg daily) may increase the risk of bleeding, including hemorrhagic stroke [NIH ODS]. Data not available for side effects specific to this product. You should be aware that taking 800 IU daily is above the tolerable upper intake level of 1,000 mg (1,500 IU) for adults, so while it is within safe limits, it is a high dose [NIH ODS].

Our recommendation

Start by checking your current diet for vitamin E sources like nuts, seeds, and vegetable oils. Do not take Quest Vitamin E 800 IU without first discussing your personal health history with a doctor, especially if you take blood thinners or have a bleeding disorder. Data not available to confirm specific benefits at this dose. For general health, a standard multivitamin with 15 mg of vitamin E is usually sufficient [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandQuest
Serving Size
Contents80.0 Softgel(s)
Market StatusOn Market

How to Read This Label

Supplement labels contain several key sections regulated by the FDA:

  • Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
  • Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
  • % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
  • Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
  • Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.

Source: FDA Dietary Supplement Labeling Guide

Original Label

View Full DSLD Label (PDF)

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