Related Clues:
- Sugar or starch, in slang
- Energy provider, in slang
- Concern for some losers
- Pasta or potato, to an athlete
- Dieter's concern
- Low-___
- Atkins diet no-no
- See 43-Across
- Atkins diet no-nos
- Marathoners' prerace intake
- Taboos of some diets
- Engine part, for short
- Energy-supplying food, for short
- Bit of starch
- Atkins diet count, briefly