Optimum Nutrition Serious Mass (2.7kg)
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Serious Mass is the ultimate in weight gain formulas. Serious Mass supplies you with the tools you need to pack on the pounds and develop the physique you've always wanted.

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Optimum Serious Mass Benefits
- Adding Calories Has Never Been This Easy or Tasted So Good
- 1,250 Calories
- 50 g of Blended Protein
- Over 250 g of Carbohydrates with NO ADDED SUGAR
- Enhanced with Creatine, Glutamine, and Glutamine Peptides
- 25 Vitamins and Essential Minerals
Serious Mass Recommended Use
- Add two heaping scoops of serious muscle mass to a large blender filled with 24 fl. oz. of cold water or milk.
- If desired, add ice and other ingredients, cover and blend on a high speed for 45-60 seconds – or until thoroughly mixed.
- New users may find it beneficial to begin with one half of a serving daily for the first week, gradually increasing to one or more full servings several times a day.
Optimum Nutrition Serious Mass
- Container Size: 2727g
- Serving Size: 2 scoops (334g)
- Servings Per Container: 8
- Container Size: 5455g
- Serving Size: 2 scoops (334g)
- Servings Per Container: 16
Optimum Nutrition Serious Mass Amounts Per Serving
- Total Calories: 1250
- Protein: 50g
- Total Carbohydrates: 252g
- Sugars: 20g
- Dietary Fiber: 4g
- Fat: 4.5g
- Saturates: 1.5g
- Cholesterol: 80mg
- Vitamin A: 5000 I.U.
- Vitamin C: 60mg
- Vitamin D: 200 I.U.
- Vitamin E: 30 I.U.
- Thiamin: 4.8mg
- Riboflavin: 4mg
- Niacin: 50mg
- Vitamin B6: 5mg
- Folic Acid: 400mcg
- Vitamin B12: 10mcg
- Biotin: 300mcg
- Pantothenic Acid: 25mg
- Calcium: 590mg
- Iron: 8mg
- Phosphorus: 430mg
- Iodine: 150mcg
- Magnesium: 140mg
- Zinc: 15mg
- Selenium: 70mcg
- Copper: 1.6mg
- Manganese: 2mg
- Chromium: 120mcg
- Molybdenum: 75mcg
- Sodium: 410mg
- Potassium: 1560mg
- Choline (as choline bitartrate): 250mg
- Inositol: 250mg
- PABA: 5mg
- Creatine Monohydrate: 1g
- L-Glutamine: 500mg
- Glutamine Peptides: 500mg
Amazing
Review posted on 14 Dec 2011
Greatest tasting shake I've ever had the chocolate flavour is amazing. Never tasted the others. Great for bulking up gives me the calories I need!
Serious Mass
Review posted on 30 Nov 2011
Just starting working out again after about 6 months, read great reviews about serious mass , almost finished the container about 1-2 does left and gained about 6lbs using the 2.8kg, just bought a months supply of matrix prefer the taste of serious mass and might even possibly switch back after i finish off the other container
downside is you need 2 huge scoops for serving and they do not fit into shaker but i just halfed mine one in morn one in after noon, also sometimes abit lumpy but not too badd.
overall great product 9/10
Hot Chocolate
Review posted on 27 Nov 2011
Just started using this shake for the first time and its GREAT, mixes well and TASTES LIKE HOT CHOCOLATE when u mixes it with milk at the start i did think it was juts hot chocolate, if it is great con
very good
Review posted on 12 Oct 2011
ive tried in the past pro complex gainer and it didnt do anything
now im on my 2nd bag of serious mass with one scopp per serving morning after gym and before sleeping and i have put on me 6 kilos
ive seen differences in the weights in the gym very good product
Good gear...
Review posted on 03 Oct 2011
Tast great loads of clean calories. Only down side is that you need 2 massive scoops to get 50g of protein and there is no shaker on this planet big enough to hold it.
Review posted on 20 Sep 2011
The best weight gainer iv ever used. Iv tried so many, with average results. Im a realy realy hard gainer and with a propper diet, i put on a stone of solid mass in a month and 2.5 stone in 3 months. bit heavy after a full serving. The taste is prety good compared to others as well. Probably the best supplement iv ever used.
Just bought 4th bag.
Review posted on 31 Aug 2011
After 3 bags of this, doing half - 3/4 servings twice a week on non-training days and 3 on training days I have gained 7-8 kgs of muscle. Chocolate is by far the best flavour.
Review posted on 19 Jul 2011
Just started using it,so waiting for the results. I would say its a good product that takes time for results.
Great
Review posted on 02 Jun 2011
This product is the 1st weight gain/protein shake i can actually drink. I find it best to half the serving into 2, one in morning one in afternoon. Only had banana flavour, tastes much better than some other more expensive brands, Gained 5lb's in 2 weeks so doing what it says on the tub!
Review posted on 12 Apr 2011
Tastes great and mixes well. would recomend it to anyone wanting to put on weight and lean muscle. I went from 11 stone before using ONSM to 14 stone in 5 weeks. Ive put on loads of lean muscle and believe me, I'm envied by many at my gym because I look great and some people think I'm on Steroids!!!!






















































































