Possible Clues:

• Bread and such
• Energy sources, of a sort
• Pasta, potatoes, etc
• Marathoner's prerace intake
• Seats, say, with black padding — stuff those in to fill out?
• Atkins dieters' no-nos
• Atkins diet concerns
• Pre-marathon intake, briefly
• Pasta and such, informally
• Nutrients eschewed on Atkins