RULE 1 Mass Gainer 8 serv Chocolate Peanut Butter Mass Weight Gainer 5.78lb
Analysis updated July 2026 · How Scout scores
At a glance
Summary
This mass gainer contains beneficial ingredients like whey protein isolate and hydrolyzed whey protein, which are high-quality protein sources supporting muscle growth and recovery. However, the presence of acesulfame potassium, an artificial sweetener, and soy, which has a less complete amino acid profile, detracts from its overall formulation quality. The product is moderately processed with a blend of carbohydrates and proteins, which is typical for mass gainers but does not reach the highest standards of ingredient purity and transparency.
Key ingredients 7
Whey Protein IsolateVery Good
Whey protein isolate is a high-quality protein source with a complete amino acid profile, supporting muscle growth and recovery. It is highly bioavailable and low in lactose, making it suitable for those with lactose intolerance. Often derived from milk, its quality can be enhanced if sourced from grass-fed cows.
Benefits
Excellent source of complete protein, aiding in muscle repair and growth.
Hydrolyzed Whey ProteinVery Good
Hydrolyzed whey protein is pre-digested, allowing for faster absorption and utilization by the body. It provides a complete amino acid profile, essential for muscle recovery and growth. Often used in sports nutrition for its rapid absorption properties.
Benefits
Promotes quick muscle recovery and growth due to its rapid absorption and complete amino acid profile.
MilkGood
Whole dairy ingredient.
Risks
May cause digestive issues for individuals with lactose intolerance or dairy allergies.
Benefits
Rich in protein and calcium, supporting bone health and muscle maintenance.
Carbohydrate BlendNeutral
The carbohydrate blend provides a source of energy, essential for mass gainers. However, without specific details on the types of carbohydrates used, it's difficult to assess the quality. It may include both simple and complex carbohydrates, affecting the glycemic response.
Risks
Potential for high glycemic index if simple sugars are predominant, which can lead to blood sugar spikes.
Benefits
Provides necessary energy for workouts and recovery, supporting muscle growth and weight gain.
Stevia Leaf ExtractNeutral
Stevia leaf extract is a natural sweetener derived from the stevia plant. It is calorie-free and does not raise blood sugar levels, making it a popular choice for those seeking natural alternatives to sugar. It is generally considered safe with no significant health concerns.
Benefits
Offers a natural, zero-calorie sweetening option that does not impact blood sugar levels.
Acesulfame PotassiumBad
Acesulfame potassium is an artificial sweetener used to enhance sweetness without adding calories. It is often criticized for potential health concerns despite being approved by regulatory agencies. Some studies suggest it may affect gut microbiota and insulin response.
Risks
May contribute to altered gut microbiota and potential metabolic effects when consumed in large quantities.
Benefits
Provides sweetness without adding calories, which can be beneficial for those managing caloric intake.
SoyBad
Soy is often used as a protein source but has a less complete amino acid profile compared to animal-based proteins. It may also contain phytoestrogens, which can affect hormone levels. The quality of soy can vary based on processing and sourcing.
Risks
Contains phytoestrogens that may affect hormone balance and is a common allergen.
Benefits
Provides plant-based protein and isoflavones, which have antioxidant properties.
Processing
Processed Foods
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