Monster Energy Drink Mango Loco is crafted with a blend of fruit juices and energy-enhancing components. The ingredients include: Carbonated Water, Fruit Juices from Concentrate (15%) (White Grape, Mango, Guava, Apple, Pineapple, Passion Fruit, Apricot, Peach, Orange, Lemon), Sucrose, Glucose Syrup, Citric Acid, Taurine (0.4%), Acidity Regulators (Potassium Citrates, Sodium Citrates), Flavourings, Maltodextrin, Preservatives (Potassium Sorbate, Sodium Benzoate), Caffeine (0.03%), Vitamins (Niacinamide, Vitamin B6, Riboflavin, Vitamin B12), Stabilisers (Xanthan Gum, Sodium Alginate), Sweetener (Sucralose), L-Carnitine L-Tartrate (0.004%), Sodium Chloride, Inositol (0.002%), Colour (Carotenes), Vegetable Oils (Coconut, Rapeseed), Modified Starch. ​

According to the manufacturer, Monster Energy Drink Mango Loco contains no known allergens. It is free from gluten, dairy, nuts, soy, and other common allergens. However, it contains high levels of caffeine (32mg/100ml) and is not recommended for children, pregnant or breastfeeding women, or individuals sensitive to caffeine.