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Optimum Nutrition Serious Mass 12 lbs

Prix régulier $139.95 CAD
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  • 50g de protéines
  • Plus de 250g de glucides sans sucre ajouté
  • 25 vitamines et minéraux essentiels
  • 1250 calories

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Utilisation & Dosage

Take 1 serving daily or split into 2 smaller shakes

Best taken:

After workouts

Between meals

Before bed for extra calories

💡 Tip: Blend with milk, peanut butter, or oats for even more calories

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Serious Mass is designed for individuals who have difficulty gaining weight through food alone. Whether you’re a beginner or an experienced lifter, this formula helps you reach your calorie surplus efficiently.

It’s one of the most popular weight gainers worldwide thanks to its high-calorie profile and easy-to-mix formula.

Questions Fréquentes

Is Serious Mass good for beginners?

Yes, it’s ideal for beginners who need extra calories to start gaining weight.

Will Serious Mass make me gain fat?

Weight gain depends on your total calorie intake. Combine with training for best results.

Can I take it without working out?

Yes, but for optimal muscle gain, resistance training is recommended.

How fast will I see results?

Most users notice weight gain within a few weeks when used consistently.