Optimum Nutrition Serious Mass, Weight gainer Protein Powder, High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, 2.73kg (6LB), 8 Servings, Banana Flavour – UK Original with Double Sticker

This is an original product made in the United Kingdom, known for high standards and strong quality checks. The tub has a double sticker—one label placed over another—which shows it's genuine. Many counterfeit tubs have only one sticker and don’t give results.

Optimum Nutrition is a trusted global brand in sports nutrition, with over 30 years of experience helping athletes and fitness lovers build muscle and reach their goals. Their products are made in top UK factories with strict quality control.

This Serious Mass powder is made for people who want to gain weight and build muscle fast. Each 2.73kg tub gives you 8 strong servings (16 scoops total). Just mix 2 scoops with 710ml of water or milk for a thick, banana-flavored shake.

Each serving gives you 1,250 calories, 50g of whey protein, and 250g+ of carbs—great for increasing size, energy, and strength. You also get 3g of creatine for better gym performance and 25 vitamins and minerals to support full body health.

Helps with fast weight gain, supports recovery, and is perfect after workouts, between meals, or before bed. It's easy to prepare, easy to take, and gives real results you can see.