Mass Builder
- Provides 50 Grams of Quality Protein
- Includes a Blend of Fatty Acids and Medium Chain Triglycerides for Energy
- Great Source of Key Amino Acids
Natural and Artificial VANILLA
Serious athletes are aware that while trying to achieve muscle mass and strength gains, proper sports nutrition is a must. While striving for such gains, it is essential that you get enough calories, including a balance of quality carbohydrates, protein and fat. Falling short on any of these nutrients can obstruct your performance goals. Pro Performance® Mass XXX™ is the right nutrition drink to help you meet your nutritional needs and keep you fueled while working towards gaining muscle mass and strength.
This special blend of carbohydrates includes 83% complex carbohydrates (maltodextrin and fiber) and only 17% sugar. Each serving of this highly specialized sports formula boasts 66 grams of quality protein and 146 grams of carbohydrates when mixed with 2% milk. It also features a blend of essential fatty acids including some healthy unsaturated fats, medium chain triglycerides (MCTs) which are quickly absorbed for energy, and no trans fats. This combination of protein carbs and fat help to provide the extra-calories that you need to put on the added pounds you want.
Mass XXX supplies key amino acids such as arginine and the Branched Chain Amino Acids (BCAA); isoleucine, leucine and valine. Amino Acids are needed to build the various proteins used in the growth, repair and maintenance of body tissues such as skin, bones and muscle. BCAA help fuel your skeletal muscles, preserve muscle glycogen stores and help to reduce the amount of protein breakdown. Adding BCAA to your diet can be anti-catabolic and have a protein-sparing effect. Arginine is an essential is an essential precursor of nitric oxide and is involved in the body’s natural formation of creatine.
In addition, Mass XXX contains a special blend of carbohydrates, the body’s primary source of energy. Carbohydrates are an important fuel during intense or high intensity exercise. Carbohydrates also replenish energy stores after high intensity exercise. Furthermore, the combination of dietary protein with carbohydrates following resistance exercise supports muscle protein synthesis.
GNC QUALITY COMMITMENT
GNC is the leader in the development and manufacture of dietary supplements, committed to producing the highest quality products available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to you by offering our money-back guarantee.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Worked out with Ryan and Zack again tonight – finally making some solid progress with low bar squats (185). Gotta get the ASS out on the way down and ATM (ass-to-mouth) ratio constant on the way up. Breathing is everything – so is intensity. Deadlifts are looking better – sticking at 215 until form gets better. Press is solid at 95. Going for 100 next time.
I curiously wandered into a GNC this afternoon to peruse the hard-gainer section. Lo and behold I walked out with a middle-of-the-road temporary solution. Just going to try this for a few weeks – two servings a day on top of my already beastly meals.
PS. I know this is FAR from paleo… get over it. I’m sick of weighing low 150s while I kill it in the gym. GOMAD is too much of a pain in the ass (literally, trust me.)

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Serving Size 1 Heaping scoop |
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Servings Per Container 14 |
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Amount Per Serving |
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% DV |
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Calories |
740.00 |
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Calories from Fat |
45.00 |
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Total Fat |
5.00 g |
8% |
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Saturated Fat |
3.00 g |
15% |
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Trans Fat |
0.00 g |
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Cholesterol |
110.00 mg |
37% |
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Sodium |
550.00 |
23% |
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Total Carbohydrate |
123.00 g |
41% |
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Dietary Fiber |
0.00 g |
0% |
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Sugars |
20.00 g |
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Protein |
50.00 g |
0% |
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Calcium |
400.00 |
40% |
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Iron |
1.80 |
10% |
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Vitamin A |
0.00 |
0% |
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Vitamin C |
0.00 |
0% |
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| ** Daily Value (DV) not established |
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† Percent Daily Values are based on a 2000 calorie diet.
Your daily values may be higher or lower depending on
your calorie needs: |
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Calories: |
2000 |
2500 |
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Total Fat |
Less than |
65 g |
80 g |
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Sat. Fat |
Less than |
20 g |
25 g |
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Cholesterol |
Less than |
300 mg |
300 mg |
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Sodium |
Less than |
2400 mg |
2400 mg |
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Total Carbohydrate |
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300 g |
375 g |
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Dietary Fiber |
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25 g |
30 g |
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Calories per gram:
Fat 9 • Carbohydrate 4 • Protein 4 |
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Other Ingredients: Natural and Artificial Flavor, Medium Chain Triglycerides, Lecithin, Salt, Sucralose, Maltodextrin, Acesulfame Potassium, Mass XXX Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Soy Protein Isolate)
One more gem for you before the weekend:

stolen from this page – with more pics
jared mass gain