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๐ Fuel your gains, fast-track your strength, and own the gym grind!
GNC AMP Mass XXX is a clinically proven mass gainer delivering 780+ calories, 50g of high-quality protein, and 127g of carbs per serving. Featuring MyoTOR, creatine blends, and BETAPOWER, it accelerates muscle strength and endurance improvements in as little as 2 weeks. Tested against 220+ banned substances, this formula supports efficient muscle growth with 40% fewer sets, making it the go-to choice for serious athletes and fitness professionals aiming for rapid, clean mass gains.











| ASIN | B091D1L7K4 |
| Age Range Description | Adult |
| Best Sellers Rank | #93,355 in Health & Household ( See Top 100 in Health & Household ) #44 in Sports Nutrition Weight Gainers |
| Brand | GNC |
| Brand Name | GNC |
| Customer Reviews | 4.8 out of 5 stars 160 Reviews |
| Flavor | Vanilla |
| Item Dimensions | 7.99 x 7.99 x 12.4 inches |
| Item Weight | 2724 Grams |
| Manufacturer | GNC |
| Manufacturer Part Number | 123405 |
| Model Number | 123405 |
| Number of Items | 1 |
| Package Type Name | Canister |
| Product Benefits | Supports overall health and wellness by providing essential nutrients and targeted ingredients for daily vitality and specific health needs. Product Benefits Supports overall health and wellness by providing essential nutrients and targeted ingredients for daily vitality and specific health needs. See more |
| Protein Source | Casein, Soy, Whey |
| Recommended Uses For Product | Post-Workout |
| UPC | 048107213763 |
| Unit Count | 96.1 Ounce |
D**A
Muy bueno
Realmente me gusta mucho esta proteina desde su sabor hasta el resultado que produce en el volumen del cuerpo recomendado
P**Z
.
Good
M**L
Protein
Great value/ Great product
T**R
Good for the price
Delicious
E**N
Cheaper than the store
Works really well
S**E
could be cheaper to buy
Perfection but the price could be a lot cheaper
L**T
Awesome
Mass xxx is a good formula with lots of good things to offer different people I would recommend
D**O
Muy rica
Es muy buena cada vez que la tomo me deja muy satisfecha. Le pongo 4 estrellas porque para mi si estรก un poco dulce.
Trustpilot
2 weeks ago
1 month ago