Endurance Breathe - Carb & Electrolyte Energy Powder with Breathe Easy™ | 48g Carbs | 300mg Electrolytes | Breathe Easy. This product is designed as a easily digestible and quick supply of energy, delivering 48g of fast absorbing carbohydrates and 300mg of electrolytes per serving with the addition of Applied Nutrition’s unique Breathe Easy™ formula, popular amongst users wanting to increase oxygen intake during exercise. Breathe carb & electrolyte powder can be mixed at various concentrations to suit your requirements, and can be consumed as part of a carbohydrate loading plan in the days and hours prior and during your training or event.