Babies, fighter pilots, nursing mothers and hell-bending West Coast fishermen were all interested, or should have been, in the fact that there was a West Coast boom in shark-liver oil.
Shark-liver oil is the richest available source of concentrated vitamin A. * Nursing mothers need vitamin A to produce milk; babies and adolescents should have it to promote growth; pilots and plane spotters should have it to help prevent night blindness. Extra doses of vitamin A supplement the natural supplies in liver, leafy vegetables, yellow foods like butter, apricots and carrots.
Before the war, the U.S. imported much of its medical supply of...
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