Reflex Instant Mass Heavyweight
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Reflex Nutrition Instant Mass Heavyweight is a high-calorie mass gainer shake designed to support serious muscle and weight gain, delivering over 1000 kcal and 60g of protein per serving. Available in a Salted Caramel flavour and supplied in a generous 5.4 kg tub, it also includes creatine to support strength and performance. It is a well-formulated option for those who struggle to consume enough calories through food alone, though the sheer volume of each serving may take some getting used to.
Key Features & Specs
| Calories | Over 1000 kcal per serving, supporting significant caloric surplus for mass gain |
|---|---|
| Protein | 60g of protein per serving to support muscle repair and growth |
| Key Ingredients | Includes creatine monohydrate to support strength, power output, and muscle volume |
| Tub Size | 5.4 kg tub providing multiple servings, reducing frequency of repurchase |
| Flavour | Salted Caramel flavour aimed at making high-calorie shakes more palatable |
| Timing | Suitable for use post-workout or before bed to maximise nutrient delivery and recovery |
| Carbohydrates | High carbohydrate content complements protein to replenish glycogen and fuel muscle growth |
Best for: Hardgainers, bodybuilders, and serious athletes who need a convenient, high-calorie supplement to hit aggressive muscle and weight gain targets.