The main ingredients include water, sugar, and glucose-fructose syrup to provide a quick energy source in the form of carbohydrates. Citric acid is added to give the drink its tangy citrus profile, while sodium citrate helps regulate electrolyte balance. Natural flavourings are used to create its bold orange taste, and essential electrolytes like sodium and potassium are included to aid rehydration. The formula also contains preservatives such as potassium sorbate to ensure product stability and freshness.

Boost Isotonic Sport Orange does not contain any of the commonly recognized allergens like dairy, gluten, nuts, soy, or eggs. Nonetheless, individuals with food sensitivities or allergies should always review the label to confirm that the product meets their dietary needs, as manufacturing practices can evolve over time.