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    Ingredient guide · Ingredient reference

    Vitamin A in beef liver: a concentrated preformed source

    The ODS table lists 6,582 mcg RAE of vitamin A in three ounces of pan-fried beef liver. Its high preformed-vitamin-A content makes serving size and other sources important.

    Read the evidence ↓

    Supplement Science Insights Editorial Team

    Published September 23, 2026

    Keep the food and preparation attached to the number

    ODS lists 6,582 micrograms retinol activity equivalents, or mcg RAE, for three ounces of pan-fried beef liver. This is a food-composition reference for that serving and preparation, not a measured value for every portion. [1]

    Animal liver supplies primarily preformed vitamin A. That differs from vegetables whose vitamin A activity comes largely from provitamin A carotenoids. [1]

    Preformed vitamin A from food counts too

    The adult tolerable upper intake level for preformed vitamin A is 3,000 mcg RAE daily from food and supplements. The listed liver serving is therefore above that daily reference. [1]

    The upper limit is not an acute-poisoning threshold, and exceeding it on one occasion does not by itself diagnose toxicity. It does show why a very concentrated food should not be treated as nutritionally negligible when evaluating repeated intake. [1]

    Add like units without turning them into a plan

    Imagine a food record uses the three-ounce liver entry and also includes a supplement with 500 mcg RAE of preformed vitamin A. The declared total would be 7,082 mcg RAE for those two entries.

    The calculation is an exposure estimate, not a recommended meal or a diagnosis. Its usefulness depends on the actual portion and supplement form.

    Hypothetical example — a hypothetical intake record
    DetailInterpretation
    Listed liver serving6,582 mcg RAE
    Hypothetical preformed supplement500 mcg RAE
    Combined declared estimate7,082 mcg RAE; not a recommendation

    Pregnancy adds a separate reason for caution

    ODS links excessive preformed vitamin A with birth defects and liver abnormalities. Pregnancy-related decisions should therefore not rely solely on a high nutrient-content claim. [1]

    This page does not recommend a liver-eating frequency or prescribe a way to compensate after a meal. It explains the table entry and the importance of counting all relevant sources. [1]

    Vitamin A in beef liver: a concentrated preformed source — original article outline diagram
    Original editorial diagram of this article’s sections; no product photograph or clinical finding is depicted.

    Sources for this article

    1. NIH ODS: Vitamin A and Carotenoids
      Source consulted: 2026-09-17. This is a reference resource, not a claim that we conducted the studies or tested a product.