Why Choose OPTIMUM NUTRITION Serious Mass?

If you feel like you are eating all day but the scale just won’t budge, Serious Mass is the heavy artillery you’ve been missing. Designed specifically for “hard gainers” with fast metabolisms, this isn’t just a protein shake; it is a complete calorie insurance policy that bridges the gap between your regular meals and your size goals. Optimum Nutrition has formulated the ultimate solution to help you break through genetic plateaus and pack on size when whole food simply isn’t enough.

Key Benefits

💪 Massive Muscle Fuel: Packed with 50g of blended protein to support muscle growth and maintenance.
⚡ Caloric Powerhouse: Delivers over 1,250 calories per serving to ensure you hit a caloric surplus easily.
🔋 Fuel for Training: Contains 250g+ of carbohydrates to replenish muscle glycogen and power intense Egyptian gym sessions.
🥛 Complete Nutrition: Fortified with 25 vitamins and minerals, plus Creatine and Glutamine for enhanced recovery.
🏆 Global Standard: Produced by Optimum Nutrition, one of the most trusted and awarded brands in the supplement industry.

Expert Verdict: Who is this for?

This supplement is strictly for the Dirty Bulk or Clean Bulk phase for individuals who struggle to gain weight (Ectomorphs). If you are looking to cut, lean out, or have a slow metabolism, this product is *not* for you. It is designed for the athlete who burns fuel rapidly and needs a convenient, high-quality source of massive calories to force muscle growth and size.

Flavors & Sizes

• Available Sizes: 2.7kg, 5.4kg
• Available Flavors: Chocolate, Strawberry, Vanilla

How to Use

Mix 2 heaping scoops of Serious Mass (approx. 700ml) of water or milk in a blender.
Pro Tip: This shake is very thick. If you are new to mass gainers, start with 1/2 to 1 scoop daily for the first week to allow your digestive system to adjust.
Timing: Best used immediately post-workout to spike insulin and recovery, or between meals to significantly boost your daily calorie intake.

Order Now

Stop spinning your wheels in the gym. Secure your bag of Serious Mass today online, or visit one of our House Of Supplements branches below:

• Nasr City: 60 Ahmed Fakhry street, Nasr city 📍Get Directions
• New Cairo: Abdullah ibn Salamah Street Behind Waterway 📍Get Directions