MuscleMeds CARNIVOR Mass Gainer Beef Protein Isolate - Clean Mass Gain

In this review the focus is on serious lifters and hard gainers who need a clean, high-calorie formula to build mass without adding dietary fat or sugar. The reviewer found CARNIVOR MASS to be a targeted solution: it delivers a very high calorie payload with 50 g of beef protein isolate and 125 g of carbs per serving, yet lists 0 g fat and 0 g sugar and touts lactose free digestion. For anyone chasing concentrated amino acids and measurable weight gain without unnecessary fats, this product stands out as a purposeful mass gainer.

Key Features

• Beef Protein Isolate: Provides 50 g of 100% beef protein isolate per serving for a beef-derived amino acid profile without gelatin or collagen.
• High-Calorie Formula: Over 700 calories per serving give a substantial surplus for consistent weekly weight gain when used alongside a training program.
• Low Fat and No Sugar: Formulated with 0 g fat and 0 g sugar to minimize fat storage from the shake itself while still supporting caloric increase.
• Enhanced with BCAAs: Added branched chain amino acids support anabolic processes and muscle recovery after heavy sessions.
• Lactose Free: Designed for those sensitive to lactose, reducing a common digestive complaint associated with dairy-based gainers.
• Concentrated Amino Acids: Claimed to be more concentrated in amino acids than steak and even more so than whey, aimed at maximizing muscle-building signals.

Who It's For

This is best for experienced lifters, bodybuilders, and natural hard gainers who need a dedicated mass gainer that prioritizes protein quality and a large calorie surplus. It suits athletes who want to add size while avoiding added dietary fat and sugar, and those who prefer a non-whey, beef-derived protein source.

It is less suitable for casual users who only want a light protein boost, people who dislike dense shakes, or anyone with a sensitive stomach who has previously reacted to high-calorie meal replacements; a few customers reported digestive upset.

Pros & Cons

Pros

• High dose of beef-derived protein isolate supports lean mass without added fat.
• Large calorie and carbohydrate content helps produce measurable weight gain when used properly.
• Lactose free formula reduces common dairy-related digestion issues for many users.
• Enhanced BCAAs and a concentrated amino acid profile aimed at anabolic support.

Cons

• Mixability and taste opinions vary; some users find it hard to mix or dislike the flavor.
• Occasional reports of stomach issues such as diarrhea mean those with sensitive digestion should test cautiously.

Specifications

Product Type	Beef Protein Isolate Mass Gainer
Protein per Serving	50 g
Carbohydrates per Serving	125 g
Fat	0 g
Sugar	0 g
Calories	Over 700 per serving
Size	5 Pound

Our Verdict

For lifters who need big, clean calories and prefer a beef-derived protein, CARNIVOR MASS delivers concentrated amino acids, 50 g of protein and a large carb load with no fat or sugar, making it a strong choice for targeted mass gain. It represents good value for those who will consistently use its high-calorie servings, though taste and mixability vary and those with sensitive stomachs should try a small serving first.

Frequently Asked Questions

Is this suitable for lactose-intolerant users?
Yes, the formula is lactose free, which should help users who avoid dairy-related lactose.

Will this add fat as well as muscle?
When used sensibly with training, the high calories support weight gain focused on muscle, but total diet and activity determine whether some fat is also gained.

How does it mix and taste?
Mixability and flavor feedback is mixed: many report it mixes well with milk or water and helps gain weight, while others find it harder to blend and dislike the taste, so flavor tolerance varies.