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Optimum Nutrition Serious Mass
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Optimum Nutrition Serious Mass

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Optimum Nutrition Serious Mass is a hard-hitting mass gainer packing more calories per serve than any other. With a solid 50 grams of protein per serve, Glutamine, Creatine, MCTs, Vitamins and Minerals, you can be sure that this product will pack the size on fast.


Product Features

  • 1,250 Calorie per Serve!
  • Premium Protein Blend.
  • Medium Chain Triglycerides.
  • with Glutamine and Creatine.
  • Vitamins and Minerals.



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Serious Mass Facts

Serious Mass is designed for the hard gainer, which is anyone who has difficulty putting on weight or keeping weight on. If this sounds familiar, don't despair. This calorie-loaded mass gainer is a great way to pack away extra calories and protein each and every day.


Serious Mass Gainer contains 50 grams of protein per serve from a blend of fast-acting and slow-release sources. This allows for a rapid response, yet with a prolonged release of amino acids into muscle.

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Combined with a massive 250g carbs to fuel muscles, restore glycogen levels and enhance nutrient delivery, this product should have you stacking on kilograms in no time. The powerful nutrients glutamine and creatine offer the means to rebuild glycogen and ATP that much faster, supporting explosive strength, power and stamina, and the means to build muscle mass faster.


Serious Mass Calories

This product provides 1,640 calories per serve when taken with low fat milk, these are simple and convenient calories that taste simply amazing. No one questions the nutritional authority of whey protein, which is why it's the first ingredient used in this product.


Whey protein is loaded with naturally occurring essential amino acids, which are potent stimulators of muscle protein synthesis. Protein synthesis is the creation of new muscle tissue protiens. This means more gains for you. Whey protein is particularly high in an essential amino acid called leucine. Leucine is a stimulator of mTOR, which is the spark that ignites muscle protein synthesis.  


Whether you're a novice or professional, Serious Mass will get you to your goal weight faster. You should notice some strength gains along the way too.


Does Optimum Nutrition Serious Mass Work?

Does a hammer work? If you use it properly! Serious Mass delivers quality protein with plenty of calories. If your goal is to gain size, strength or power, without necessarily having to stay lean, this product will deliver excellent nutritional support. Individuals who have difficuly gaining weight may even find that they can still stay lean whilst using this product.


How to Use Serious Mass

Add 2 heaped scoops into a large shaker or blender with aprroximately 700ml water, milk or low fat milk. Mix or blend and consume.


ON shaker bottleWhen to Take Optimum Nutrition Serious Mass

ON Serious Mass may be taken between meals or after exercise. For mass gaining programs, you may like to try taking a 1/2 to 1 serving in water, 1/2-1 hour before exercise.


Is Optimum Nutrition Serious Mass Safe?

It is always a great idea to check with your healthcare practitioner before beginning a mass gaining program, particularly one that involves dietary and exercise changes. This product is simply a powdered form of nutrition. This product is not recommended to replace meals; it is designed for use between regular meals. You may like to begin on 1/2 serve of Serious Mass gainer mixed with water if you commonly experience food intolerance or allergies. However, you should not use this product if you are allergic to milk or dairy products, gluten, egg or soy, or have lactose intolerance.

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Optimum Nutrition Serious Mass Nutritional Information

Serving Size: 334g (2 Heaped Scoops)(Banana)

Carbohydrates, total
- Sugars
Fat, total
- Saturated
Creatine Monohydrate

INGREDIENTS: Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Sweet Dairy Whey), Cocoa (processed with Alkali), Natural and Artificial Flavors, Vitamin & Mineral Blend (Dipotassium Phosphate, Magnesium Aspartate, Dicalcium Phosphate, Calcium Citrate, Ascorbic Acid, Niacinamide, Zinc Citrate, Beta Carotene, d-Calcium Pantothenate, d-alpha Tocopherol Succinate, Selenomethionine, Copper Gluconate, Ferrous Fumarate, Manganese Amino Acid Chelate, Thiamin Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Picolinate, Folic Acid, Biotin, Molybdenum Amino Acid Chelate, Cholecalciferol, Potassium Iodide, Cyanocobalamin), Acesulfame Potassium, Lecithin, Medium Chain Triglycerides.

ALLERGEN INFORMATION: Contains milk, egg, wheat (glutamine peptides) and soy (lecithin).


Optimum Nutrition Serious Mass Nutrition Facts

serious mass nutritional information