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Optimum Nutrition Serious Mass Strawberry supplement bottle
Optimum Nutrition

Serious Mass Strawberry Review

What We Researched
· 34 inactive ingredients decoded · 10 brand certifications checked · Page generated: Sep 2026
72
Product Score Fair
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Good

Fillers & Additives

  • Maltrodextrin
  • Whey Protein Concentrate
  • Calcium Caseinate
  • Egg Albumen
  • Sweet Dairy Whey
  • Natural and Artificial Flavors
  • Dipotassium Phosphate
  • Magnesium Aspartate
  • Dicalcium Phosphate
  • Calcium Citrate
  • Ascorbic Acid
  • Niacinamide
  • Zinc Citrate
  • Beta Carotene
  • D-Calcium Pantothenate
  • D-Alpha Tocopheryl Succinate
  • Selenomethionine
  • Copper Gluconate
  • Ferrous Fumarate Low
  • Manganese Amino Acid Chelate
  • Thiamin Mononitrate
  • Pyridoxine Hydrochloride
  • Riboflavin
  • Chromium Polynicotinate
  • Folic Acid
  • Biotin
  • Molybdenum Amino Acid Chelate
  • Cholecalciferol
  • Potassium Iodide
  • Cyanocobalamin
  • Medium Chain Triglycerides
  • Lecithin
  • FD&C #40 High
  • Acesulfame Potassium
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltrodextrin Unknown
Whey Protein Concentrate Generally_safe

It is used as a protein source and to add bulk.

Calcium Caseinate Generally_safe

It is used as a protein source and filler.

Egg Albumen Unknown
Sweet Dairy Whey Unknown
Natural and Artificial Flavors Generally_safe

It is used to improve the taste of the product.

Dipotassium Phosphate Generally_safe

It is used to maintain the pH of supplements.

Magnesium Aspartate Unknown
Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Calcium Citrate Safe

It provides a source of calcium.

Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

Niacinamide Safe

It is included for its potential health benefits.

Zinc Citrate Generally_safe

It is used as a source of zinc.

Beta Carotene Safe

It is used as a colorant and a source of vitamin A.

D-Calcium Pantothenate Safe

It is added to supplements as a source of vitamin B5.

D-Alpha Tocopheryl Succinate Unknown
Selenomethionine Unknown
Copper Gluconate Generally_safe

It is used to provide copper as a dietary supplement.

Ferrous Fumarate Caution

It is used to supplement iron intake.

Manganese Amino Acid Chelate Unknown
Thiamin Mononitrate Safe

It is used as a source of vitamin B1.

Pyridoxine Hydrochloride Safe

It is used as a source of vitamin B6.

Riboflavin Safe

It is used as a source of vitamin B2.

Chromium Polynicotinate Unknown
Folic Acid Safe

It is used as a source of folate.

Biotin Safe

It is used for its potential benefits related to hair, skin, and nail health.

Molybdenum Amino Acid Chelate Unknown
Cholecalciferol Safe

It is used to supplement vitamin D levels.

Potassium Iodide Generally_safe

It provides iodine, an essential mineral.

Cyanocobalamin Safe

It is used as a source of vitamin B12.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Lecithin Safe

It is used as an emulsifier to help mix oil and water-based ingredients.

FD&C #40 Unknown
Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Brand Trust Report
Optimum Nutrition

Founded 1986 · Downers Grove, IL, United States · 311 products · optimumnutrition.com

Certifications

10 certifications
Consumerlab Source available Primary evidence
Informed Sport Source available Primary evidence
Labdoor Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Non Gmo Project Source available Primary evidence
Nsf Gmp Source available Primary evidence
Informed Choice Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

5 incidents
Prop 65 Lead2025-07-21 Source available Primary source
Prop 65 Lead2024-11-22 Source available Primary source
Recall Various nutritional and beverage products2022-07-28 Source available Primary source
Prop 65 Lead2017-03-10 Source available Primary source
Lawsuit Deceptive claims about the plant-based enzyme 'Aminogen' and its effect on protein digestion and absorption.2013 Source available Primary source
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Frequently Asked Questions
Is Optimum Nutrition Serious Mass Strawberry a good supplement?

Optimum Nutrition Serious Mass Strawberry received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. with 16 servings per container. Of the 34 inactive ingredients, 23 are rated safe and 1 ingredient is flagged for review. The manufacturer, Optimum Nutrition, holds a brand trust score of 100/100.

Is Optimum Nutrition Serious Mass Strawberry safe to take?

GoodSupp reviewed the inactive-ingredient data available for Optimum Nutrition Serious Mass Strawberry. Of 34 inactive ingredients, 23 are rated safe. 1 ingredient is flagged for review: Ferrous Fumarate. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Optimum Nutrition a trustworthy supplement brand?

Optimum Nutrition receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1986 and headquartered in Downers Grove, IL, United States, the company offers 311 products in their lineup. Note: Optimum Nutrition has 5 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.