Complete Nutrition, Omaha, NE, has introduced 3Plenish, its new supplement formulated for endurance athletes. Designed to be taken throughout a workout, the product hydrates athletes more effectively than sports drinks or water, and provides essential nutrients demanded for performance and recovery. This non-stimulant formula includes optimal levels of electrolytes for hydration, and high-energy carbohydrates to support sustained strength and longevity in each serving. The included essential amino acids help muscles recover during and immediately after workouts.