ON | Serious Mass Gainer

Optimum Nutrition

ON | Serious Mass Gainer

$ 1,399.00
Flavor:Chocolate
Content:5.4 lb
Quantity:
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🏆 The World's #1 Mass Gainer

Optimum Nutrition Serious Mass

50g
PROTEIN 		1,250
CALORIES

✅ Why choose this product?

  • ✔️ 1,250 calories per serving
  • ✔️ 50g of high-quality protein
  • ✔️ Includes creatine, glutamine, and 25 vitamins
  • ✔️ The world's best-selling mass gainer

🎯 IDEAL FOR: Individuals who need extra calories to gain weight and muscle mass. The gold standard in gainers.

📦
Sealed
Product 		✈️
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Imported 		🔒
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OPTIMUM NUTRITION
Serious Mass
Supplement Facts
Serving Size: 2 Scoops (334g)
Servings Per Container: ~16
Amount Per Serving % Daily Value*
Calories 1250
Total Fat 4.5g 6%
Saturated Fat 2g 10%
Cholesterol 55mg 18%
Sodium 430mg 19%
Total Carbohydrate 253g 92%
Total Sugars 20g
Protein 50g 100%
Calcium 550mg 42%
Potassium 1000mg 21%
Iron 9mg 50%
BCAAs (Total) 9.8g
Glutamine & Precursor 5g
Creatine 3g
Vitamin C 250mg
Vitamin D 400IU
*Percent Daily Values based on a 2,000 calorie diet. †Daily Value not established.
Ingredients: Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen), Cocoa, Fructose, Creatine Monohydrate, Vitamins & Minerals.
Allergens: Milk, Egg, Soy.
✓ Mass Gainer✓ 1250 Calories✓ Vitamins & Minerals
"

Serious Mass: The Ultimate Formula for Weight and Mass Gain

Serious Mass is the ultimate weight gain formula for those serious about building their physique. Designed to overcome even the most demanding metabolisms, each shake provides you with the caloric and protein tools needed to break through plateaus and build the body you've always wanted in Mexico.

Caloric Power for Real Results

Serious Mass is not just a supplement; it's massive nutritional support designed to maximize your goals:

  • 1,250 Calories Per Serving: The ideal energy surplus to ensure your body has the fuel it needs to grow.

  • 50g of High-Quality Protein: Essential support for muscle recovery and the synthesis of new tissue after intense workouts.

  • Over 250g of Carbohydrates: With no added sugars, to replenish glycogen stores and maintain energy throughout the day.

  • 25 Vitamins and Minerals: Fortified with creatine and glutamine to boost strength and overall health while bulking.

Real Gains with Mas Fit Mexico

At Mas Fit, we know that gaining weight can be as difficult as losing it. That's why we guarantee that your Serious Mass is 100% original and sealed. Receive your 6 lb size with express shipping throughout the Mexican Republic and start transforming your physique today.

Suggested Use and Preparation

Due to its high density, we recommend following these steps:

  1. Dosage: Mix 2 scoops with 710 ml of water or whole milk.

  2. Ideal time: Consume it after your workout to kickstart recovery, or between meals as a massive caloric boost.

  3. Expert tip: If this is your first time using Serious Mass, start with 1 scoop (half dose) daily for the first week to assess your digestive tolerance before increasing to the full dose.

Technical Specifications:

Feature Detail
Calories per serving 1,250 kcal
Protein 50g
Carbohydrates +250g
Total Content 6 lb (2.72 kg)
Servings 8 full servings

Explore our collection of proteins to supplement your diet and support goals such as muscle recovery, mass gain, maintenance, and body composition control.

Here you'll find options like whey protein, whey isolate, hydrolyzed, casein, blends, and plant-based proteins, with a variety of flavors and presentations.

Filter by brand, size, and goal to choose the protein that best suits your routine and training level.

Serious Mass: The Ultimate Formula for Weight and Mass Gain

Serious Mass is the ultimate weight gain formula for those serious about building their physique. Designed to overcome even the most demanding metabolisms, each shake provides you with the caloric and protein tools needed to break through plateaus and build the body you've always wanted in Mexico.

Caloric Power for Real Results

Serious Mass is not just a supplement; it's massive nutritional support designed to maximize your goals:

  • 1,250 Calories Per Serving: The ideal energy surplus to ensure your body has the fuel it needs to grow.

  • 50g of High-Quality Protein: Essential support for muscle recovery and the synthesis of new tissue after intense workouts.

  • Over 250g of Carbohydrates: With no added sugars, to replenish glycogen stores and maintain energy throughout the day.

  • 25 Vitamins and Minerals: Fortified with creatine and glutamine to boost strength and overall health while bulking.

Real Gains with Mas Fit Mexico

At Mas Fit, we know that gaining weight can be as difficult as losing it. That's why we guarantee that your Serious Mass is 100% original and sealed. Receive your 6 lb size with express shipping throughout the Mexican Republic and start transforming your physique today.

Suggested Use and Preparation

Due to its high density, we recommend following these steps:

  1. Dosage: Mix 2 scoops with 710 ml of water or whole milk.

  2. Ideal time: Consume it after your workout to kickstart recovery, or between meals as a massive caloric boost.

  3. Expert tip: If this is your first time using Serious Mass, start with 1 scoop (half dose) daily for the first week to assess your digestive tolerance before increasing to the full dose.

Technical Specifications:

Feature Detail
Calories per serving 1,250 kcal
Protein 50g
Carbohydrates +250g
Total Content 6 lb (2.72 kg)
Servings 8 full servings