A History of Short Words

From the New York Times Crossword Puzzle

RDA

Sun, 7 Apr '24
Nutritional fig.
Sat, 27 Jan '24
Nutrition fig.
Tue, 28 Nov '23
Multivitamin stat, for short
Sun, 20 Aug '23
Nutrition fig.
Thu, 27 Jul '23
Health abbr.
Sun, 16 Apr '23
Nutrition fig.
Sat, 24 Dec '22
Vitamin stat
Sun, 23 Oct '22
N.I.H. standard
Thu, 5 May '22
Nutritional fig.
Sun, 25 Jul '21
Nutritional fig.
Sun, 4 Apr '21
Food packaging abbr., once
Wed, 13 Jan '21
Around 16 mg of niacin, e.g.
Wed, 6 Jan '21
Multivitamin fig.