Related Clues:

• Jock's snack
• Source of fast-acting carbs
• Hiker's power lunch?
• Athlete's booster
• Snack in a gym bag
• Athlete's supplement
• Snack for an athlete
• Marathoner's munch
• Boost at the gym
• Marathoner's snack
• Gym snack
• Rectangular replacement for a square meal