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🏋️♂️ Bulk smarter, not harder with Mutant Mass Extreme!
Mutant Mass Extreme Gainer is a 6-pound, high-calorie whey protein powder designed for hard gainers and athletes aiming to increase muscle mass and overall weight. Each serving delivers over 1,250 calories, 25 grams of whey protein, and 4 grams of glutamine to support muscle growth, recovery, and intense training. Its smooth Cookies & Cream flavor makes it an easy, delicious addition to any bulking regimen.












| ASIN | B09F5FHF78 |
| Age Range Description | Adult |
| Best Sellers Rank | #8,340 in Health & Household ( See Top 100 in Health & Household ) #4 in Sports Nutrition Weight Gainers |
| Brand | Mutant |
| Brand Name | Mutant |
| Customer Reviews | 4.4 out of 5 stars 1,397 Reviews |
| Flavor | Cookies and Cream |
| Item Dimensions | 4.92 x 13.98 x 13.39 inches |
| Item Weight | 6 pounds |
| Manufacturer | Mutant |
| Manufacturer Part Number | 36016US |
| Model Number | FID73205 |
| Net Content Volume | 15.09 liters |
| Number of Items | 1 |
| Recommended Uses For Product | Muscle Build |
| Servings per Container | 10 |
| Total Servings Per Container | 10 |
| UPC | 811662029502 |
| Unit Count | 96 Ounce |
D**E
Good
Nice flavor
B**Y
Great for gains
Great value. I take a half serving daily. I add 30 grams of protein, creatine, and alpha lipoic acid to mimic the effects of cell tech. Man what a combo . Really great stuff!!!
K**R
Purchased for a cancer patient
i purchased this for an employee of mine who unfortunately was diagnosed with throat cancer and could not eat and was on a liquid diet. He had lost lots of weight and look super frail. i got hit this and told him to blend it with enough milk to make it runny and not too thick. he would sip it over a few hours and it did a good job of adding some fat on his body. this would not be doctor recommended but i have to say it worked well.
N**O
Protein review
I have tried almost all their flavors and I gotta say cookies and cream is my least favorite. The reason being it doesn’t taste like cookies and cream it tastes weird. The price was good value 70 dollars for 12 pounds is amazing. The serving size is great value as well. They’re a solid company that makes solid flavors but cookies and cream should be revised.
C**S
Great Taste Protein
Great product definitely recommend this!
A**L
Best all-around gainer on the market!
I won't buy any other mass gainer product. For people like me who are ectomorphs, this is your answer!. I have great genetics, but a metabolism so fast I cannot eat enough in a day to get enough nutrition to make gains....I've been 132 lbs my whole adult life. I started lifting in April '25 and found Mutant Extreme. I take 3 scoops with breakfast and before bedtime, with whole milk. I lift heavy, 4 days a week and I just weighed in at 160 lbs yesterday! So in 6 1/2 months, I put on 28 lbs, mostly all muscle. Very happy with this product. Tastes better than any other protein I've tried. No stomach issues at all like some have reported. May be irritating to anyone sensitive to loctose. 1 serving is 4 scoops so 2 servings gets you the advertised 2400 caloric intake (2600 with whole milk). Mix with heavy cream and it tastes like a whip-cream cookies and cream milkshake! It is loaded with every vitamin and nutrient that a fitness junkie would need. Massively packed with gainer fuel.
M**Z
Excellent
Excellent
M**X
Find a better mass gainer
Stupid me, I read the 2500+ calorie claim. Bought the mutant mass cookies and cream thinking I was getting such great value. 1 serving is 4 scoops, which is a very full shaker bottle. 1 serving is only 1047 calories. To get the advertised 2500 calories they tell you to mix 2 servings with 1% milk. I was getting more from on nutrition. Do t waste your money - tastes like meh, and it’s very gritty and doesn’t dissolve even overnight in the fridge. Garbage.
J**T
Top
Top
T**J
Mixes well in smoothies
This whey protein has been a great addition to my routine. It mixes really smoothly with no clumps and has a clean, enjoyable taste that isn’t overly sweet. It’s perfect for post-workout recovery and even works well in smoothies or recipes. The quality feels reliable, and the results have been consistent. Overall, a solid option if you’re looking for a dependable and great-tasting protein.
A**Y
Taste great
Great, works well and tastes really nice not powder or dusty taste
D**D
Gutes Proteinpulver
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A**Y
Taste great
Great, i use this in the morning every morning and its the only one that doesnt taste like rubbish or powder, easy to use and mix
Trustpilot
2 weeks ago
2 weeks ago