Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz

Common questions

Is Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz healthy?

Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz scores 65/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This protein powder contains a mix of beneficial vitamins and amino acids, which support overall health and muscle recovery.

How processed is Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz?

Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz is NOVA Group 3: Processed Foods.

Which ingredients drive Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz's score?

In Scout's ingredient-by-ingredient analysis, Vitamin A, Vitamin C, Vitamin D count in its favor; Maltodextrin is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Optimum Nutrition Serious Mass Protein Powder, Vanilla, 50g Protein, 12lb, 192oz

Optimum Nutrition
65 Fair

Analysis updated July 2026 · How Scout scores

$103.99 · 12 lb · $0.54 / ounce
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At a glance

Beneficial ingredients 17
Harmful ingredients 1
Owned by Glanbia
Category Protein Powders
Summary

This protein powder contains a mix of beneficial vitamins and amino acids, which support overall health and muscle recovery. However, the presence of maltodextrin, a high-glycemic carbohydrate, is a concern due to its potential to cause rapid blood sugar spikes. The product also includes multiple protein sources and creatine, but the use of maltodextrin as a filler and the overall level of processing reduce its score.

Key ingredients 19

Egg Whites
Very Good

Egg whites are a high-quality protein source low in fat and cholesterol. They provide essential amino acids necessary for muscle repair and growth. They are easily digestible and support overall protein intake.

Benefits

Supports muscle repair and growth with high-quality protein.

See more about Egg Whites →
Vitamin A
Good

Vitamin A is essential for maintaining healthy vision, immune function, and skin health. It is a fat-soluble vitamin that plays a critical role in cell growth and differentiation. Adequate intake supports overall health and reduces the risk of certain diseases.

Risks

Excessive intake can lead to toxicity, causing liver damage and other health issues.

Benefits

Supports vision, immune function, and skin health.

See more about Vitamin A →
Vitamin C
Good

Vitamin C is a powerful antioxidant that helps protect cells from damage and supports the immune system. It is water-soluble and must be consumed regularly as the body does not store it. It also aids in collagen synthesis, promoting skin and joint health.

Risks

High doses may cause gastrointestinal discomfort.

Benefits

Boosts immune function and supports skin and joint health.

See more about Vitamin C →
Vitamin D
Good

Vitamin D is crucial for calcium absorption and bone health. It is fat-soluble and can be synthesized by the body when exposed to sunlight. Adequate levels are associated with a reduced risk of certain chronic diseases.

Risks

Excessive intake can lead to hypercalcemia, causing nausea and weakness.

Benefits

Supports bone health and immune function.

See more about Vitamin D →
Vitamin E
Good

Vitamin E acts as an antioxidant, protecting cells from oxidative stress. It is fat-soluble and plays a role in immune function and skin health. Adequate intake is important for preventing oxidative damage.

Risks

High doses may interfere with blood clotting.

Benefits

Protects cells from oxidative damage and supports immune health.

See more about Vitamin E →
Thiamin
Good

Thiamin, or vitamin B1, is essential for energy metabolism and nerve function. It is water-soluble and must be consumed regularly. It helps convert carbohydrates into energy, supporting overall metabolic health.

Benefits

Supports energy metabolism and nerve function.

See more about Thiamin →
Riboflavin
Good

Riboflavin, or vitamin B2, is important for energy production and cellular function. It is water-soluble and helps in the metabolism of fats, drugs, and steroids. Adequate intake supports overall health and energy levels.

Benefits

Supports energy production and cellular function.

See more about Riboflavin →
Niacin
Good

Niacin, or vitamin B3, is vital for energy metabolism and DNA repair. It is water-soluble and supports skin health and nervous system function. Adequate intake is important for maintaining overall health.

Risks

High doses can cause skin flushing and liver damage.

Benefits

Supports energy metabolism and skin health.

See more about Niacin →
Vitamin B6
Good

Vitamin B6 is essential for protein metabolism and cognitive development. It is water-soluble and plays a role in neurotransmitter synthesis. Adequate intake supports brain health and immune function.

Risks

Excessive intake can lead to nerve damage.

Benefits

Supports protein metabolism and cognitive health.

See more about Vitamin B6 →
Biotin
Good

Biotin is important for carbohydrate, fat, and protein metabolism. It is water-soluble and supports healthy hair, skin, and nails. Adequate intake is essential for maintaining metabolic health.

Benefits

Supports metabolism and promotes healthy hair, skin, and nails.

See more about Biotin →
Molybdenum
Good

Molybdenum is a trace mineral important for enzyme function. It helps in the metabolism of sulfur-containing amino acids. Adequate intake supports overall metabolic health.

Benefits

Supports enzyme function and amino acid metabolism.

Amino Acids
Good

Amino acids are the building blocks of proteins, essential for muscle repair and growth. They play a critical role in various physiological processes. Adequate intake supports muscle health and recovery.

Benefits

Supports muscle repair and growth.

See more about Amino Acids →
Whey Protein Concentrate
Good

Whey protein concentrate is a high-quality protein source rich in essential amino acids. It supports muscle growth and recovery. It is derived from milk and is considered a complete protein.

Risks

May cause digestive issues in lactose-intolerant individuals.

Benefits

Supports muscle growth and recovery.

See more about Whey Protein Concentrate →
Calcium Caseinate
Good

Calcium caseinate is a slow-digesting protein that provides a sustained release of amino acids. It is beneficial for muscle maintenance and growth. It is derived from milk and supports prolonged protein synthesis.

Risks

May cause digestive issues in lactose-intolerant individuals.

Benefits

Provides sustained amino acid release for muscle maintenance.

See more about Calcium Caseinate →
Sweet Whey
Good

Sweet whey is a byproduct of cheese production, rich in lactose and protein. It provides essential amino acids and supports muscle recovery. It is a natural source of protein and carbohydrates.

Risks

May cause digestive issues in lactose-intolerant individuals.

Benefits

Supports muscle recovery and provides essential amino acids.

Creatine Monohydrate
Good

Creatine monohydrate is a well-researched supplement that enhances muscle strength and performance. It increases phosphocreatine stores in muscles, improving energy production during high-intensity exercise. It is widely used for its performance-enhancing benefits.

Benefits

Enhances muscle strength and performance.

See more about Creatine Monohydrate →
Glutamine
Good

Glutamine is an amino acid that supports immune function and gut health. It is important for muscle recovery and reducing muscle soreness. It is beneficial for athletes and individuals under physical stress.

Benefits

Supports immune function and muscle recovery.

Folic Acid
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

High doses may mask vitamin B12 deficiency symptoms.

Benefits

Supports DNA synthesis and cell division.

See more about Folic Acid →
Maltodextrin
Bad

Maltodextrin is a high-glycemic carbohydrate used as a filler and thickener. It can cause rapid spikes in blood sugar levels. It is often used in processed foods and may contribute to weight gain if consumed in excess.

Risks

May cause rapid blood sugar spikes and contribute to weight gain.

Benefits

Provides quick energy but lacks significant nutritional benefits.

See more about Maltodextrin →

Processing

Group 3 · Processed

Processed Foods

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