Multiple choice

Who discovered the vitamin D?

  1. John Mac

  2. Mc collum

  3. Stefan sivani

  4. Romeo mark

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Elmer McCollum and his colleagues are credited with the discovery of Vitamin D in 1922. They identified it as a distinct substance from Vitamin A that could prevent rickets. McCollum was a pioneer in nutrition science and also discovered Vitamin A.

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