retinol activity equivalent

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Alternative to retinol equivalent, taking into account more recent data on the bioefficacy of carotenoids as precursors of vitamin A. 1 µg RAE = 1 µg preformed retinol, 2 µg β‐carotene supplement in oil, 12 µg β‐carotene, or 24 µg other pro-vitamin A carotenoids.

Subjects: Medicine and Health.

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