Timing and Food to Fuel Your Workouts
Timing and food choice can make or break your training session.
Eating the right thing at the right time provides clean, usable energy, while poor timing can leave you feeling sluggish, nauseous and heavy.
Between thirty and sixty minutes before your workout, your body needs fast, accessible energy. The best option is a simple, quick-digesting carbohydrate with minimal fat, fiber, and protein. Perfect pre-workout snacks include a medium banana, two plain rice cakes with a light drizzle of honey, or a small slice of sourdough toast. These foods pass through the stomach quickly, providing a rapid source of glucose without causing digestive distress.
When you consume simple carbohydrates, your body breaks them down into glucose. This glucose enters your bloodstream, triggering a modest release of insulin that shuttles fuel directly into your blood and muscles. During high-intensity movement, your muscles rely heavily on circulating blood glucose and stored muscle glycogen for immediate energy. Consuming a fast-acting carb thirty to sixty minutes prior ensures your glycogen stores are topped off, delaying fatigue, maintaining power output, and enhancing mental focus.
Eating a large meal, or consuming foods high in fat, protein, or dietary fiber right before exercise leads to poor performance. Fats and proteins take hours to break down, while fiber slows gastric emptying. When you exercise, your nervous system triggers vasodilation in your skeletal muscles, routing oxygen-rich blood away from internal organs and toward your working limbs. However, digesting a heavy meal requires significant blood flow to your stomach and intestines. When these two processes compete, your body struggles to support both. The result is gastrointestinal distress, including cramping, bloating, nausea, and severe sluggishness, because food sits undigested in your stomach while your muscles fight for oxygen. Stick to light, fast carbs shortly before training, and save the heavy, protein-rich meals for post-workout recovery.
- Coach Jack
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