Optimum Nutrition Serious Mass Gainer 5.45kg – Chocolate | High-Calorie Protein Powder | 50g Protein + Creatine, Glutamine & 25 Vitamins | 16 Servings

Optimum Nutrition Serious Mass – Chocolate Flavour – 5.45kg (16 Servings)

Built for serious bulk, Serious Mass by Optimum Nutrition is the ultimate high-calorie protein shake for muscle gain, post-workout recovery, or those looking to support size and strength. Each massive 334g serving delivers 1,250 kcal, 50g of high-quality blended protein, and over 250g of carbs – plus added creatine, L-glutamine, and 25 vitamins and minerals to help fuel results.

Perfect for athletes with high energy demands or anyone struggling to put on mass, this chocolate flavour gainer mixes easily and can be taken between meals or post-workout for recovery and gains.

• 5.45kg tub – 16 high-calorie servings

• 1,250 kcal & 50g protein per serving (when mixed with water)

• High-carb formula: 250g+ carbs from maltodextrin

• Added creatine, glutamine & digestive enzymes

• 25 vitamins and minerals including vitamin D, calcium & magnesium

• Chocolate flavour – creamy and smooth

• Ideal for hard gainers, bulking & recovery phases

• Barcode: 5060245600446

✅ Nutrition (Per 334g Serving – with water):

• Energy: 1,250 kcal
• Protein: 50g
• Carbohydrates: 252g (Sugars: 20g)
• Fat: 4.5g (Saturates: 1.5g)
• Fibre: 4g
• Creatine Monohydrate: 1g
• Glutamine Peptides: 500mg
• Plus: 25 Vitamins & Minerals (e.g. Vit A, D, C, B6, B12, Magnesium, Zinc)