Optimum Nutrition Serious Mass weight gainer

Description

Optimum Nutrition Serious Mass is the ultimate weight gainer, packed with calories, protein, and carbs to help you put on size and strength. With over 1,250 calories per serve, plus added creatine, glutamine, and vitamins, it’s the smart way to hit your calorie surplus and fuel recovery. And because it’s Informed-Choice certified, every batch is tested for banned substances — safe for athletes and trusted worldwide.

Why Choose Serious Mass?

• 1,250+ calories per serve – the easiest way to hit your calorie surplus.
• 50g of protein – supports muscle repair and growth.
• 250g+ of carbs – replenishes glycogen and drives recovery.
• Added creatine & glutamine – for strength, recovery, and immune support.
• 25+ vitamins & minerals – helps cover daily nutrition needs.
• Informed-Choice certified – tested for banned substances, trusted by athletes.
• From Optimum Nutrition – the world’s #1 sports nutrition brand.

How to Use:

• Mix 2 heaped scoops of Serious Mass with 700ml–1L of water or milk.
• Blend for best texture, add fruit, nut butter, or oats for extra calories.
• Take post-workout and/or between meals to increase daily calorie intake.
• Pro tip: Start with half a serve if you’re new to mass gainers, then build up as your body adjusts.

Who’s It For?

• Hard gainers who struggle to put on weight.
• Athletes needing a high-calorie recovery shake.
• Busy professionals who can’t always eat enough during the day.
• Drug-tested athletes wanting a safe, certified weight gainer.

Facts:

• Available Sizes:
• Container Size: 2.7KG (6Lb)
• Serving Size: 2 Scoop (336g)
• Servings Per Container:8
• Container Size: 5.44KG (12Lb)
• Serving Size: 2 Scoop (336g)
• Servings Per Container: 16