Quick, portable energy to fuel any effort GU Energy Gel is your go-to source for clean, fast energy during activity. With a mix of simple and complex carbs, electrolytes, and amino acids, it helps you stay energized, focused, and ready for whatever comes next. Designed for convenience, it&';s easy to take, easy to digest, and made to support performance at any level. Performance Fuel 100 calories per packet for quick energy 21-23g carbohydrates to sustain effort 50-125mg sodium to aid hydration 450mg amino acids to support muscle performance Caffeine options available for added focus