Historical clue formulations

• Low-___ diet — 2026-03-10
• No-no in many fad diets — 2025-07-02
• Bread or pasta, informally — 2023-07-30
• Consumer's energy source, informally — 2022-10-13
• Quinoa or oats, for short — 2022-09-28
• Low-___ diet — 2021-11-01
• Low-___ diet — 2021-06-09
• Potato or pasta, informally — 2021-02-26
• Atkins diet no-no — 2020-01-26
• Paleo diet restriction, informally — 2019-10-28
• Keto diet no-no — 2019-07-28
• Low-___ diet — 2019-06-17
• Low-___ diet — 2017-06-23
• Engine part, briefly — 2016-03-20
• Potato or pasta, informally — 2016-02-10
• Dual-___ engine — 2015-10-27
• Nutrition unit in pasta, informally — 2015-10-19
• Bit of pasta, for short — 2014-01-27
• Pasta, e.g., informally — 2013-12-27
• Rice, e.g., informally — 2013-11-17
• Dual-___ — 2012-09-30
• Low-___ diet — 2011-07-04
• Prepare for a marathon, say, with "up" — 2010-11-17
• See 43-Across — 2010-09-28
• Pasta or potato, for short — 2010-05-11
• Dual-___ engine — 2010-02-03
• Atkins diet no-no — 2009-12-13
• Low-___ diet — 2008-12-17
• Low-___ diet — 2008-09-22
• ___ loading — 2008-06-15
• Low-___ diet — 2006-11-20
• Low-___ — 2006-06-23
• Low-___ — 2006-01-08
• Atkins no-no — 2004-11-03
• Low-___ diet — 2003-09-20
• Engine part, for short — 2003-05-21
• Pasta or potato, to an athlete — 1998-06-28
• Energy provider, in slang — 1997-12-17
• Sugar or starch, in slang — 1997-08-15
• Hot rod part — 1995-12-21