Optimum Nutrition Serious Mass Banana supplement bottle
Optimum Nutrition

Serious Mass Banana

What We Researched
36 active ingredients analyzed · 36 inactive ingredients decoded · 9 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
80
Product Score Good
92
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A 5000 IU 100%
Vitamin C 60 mg 100%
Vitamin D 200 IU 50%
Vitamin E 30 IU 100%
Thiamine 4.8 mg 320%
Riboflavin 4 mg 235%
Niacin 50 mg 250%
Vitamin B6 5 mg 250%
Folic Acid 400 mcg 100%
Vitamin B12 10 mcg 167%
Biotin 300 mcg 100%
Pantothenic Acid 25 mg 250%
Calcium 630 mg 63%
Iron 5 mg 28%
Phosphorus 460 mg 46%
Iodine 150 mcg 100%
Magnesium 140 mg 35%
Zinc 15 mg 100%
Selenium 70 mcg 100%
Copper 1 mg 50%
Manganese 2 mg 100%
Chromium 120 mcg 100%
Molybdenum 75 mcg 100%
Potassium 940 mg 27%
Creatine Monohydrate 1 g
L-Glutamine 500 mg
Glutamine Peptides 500 mg
Choline (as Choline Bitartrate) 250 mg
Inositol 250 mg
Para-Aminobenzoic Acid 5 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin A Good
  • Vitamin C Fair
  • Vitamin D Good
  • Vitamin E Good
  • Thiamine Good
  • Riboflavin Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folic Acid Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Calcium Good
  • Iron Fair
  • Phosphorus Good
  • Iodine Good
  • Magnesium Good
  • Zinc Fair
  • Selenium Good
  • Copper Fair
  • Manganese Good
  • Chromium Fair
  • Molybdenum Good
  • Potassium Good
  • Creatine Monohydrate Good
  • L-Glutamine Good
  • Glutamine Peptides Good
  • Choline (as Choline Bitartrate) Poor
  • Inositol Good
  • Para-Aminobenzoic Acid Good
Other Ingredients Very Good

Fillers & Additives

  • Maltodextrin
  • 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
  • Thiamine Mononitrate
  • Pyridoxine Hydrochloride
  • Riboflavin
  • Chromium Polynicotinate
  • Folic Acid
  • Biotin
  • Molybdenum Amino Acid Chelate
  • Cholecalciferol
  • Potassium Iodide
  • Cyanocobalamin
  • Medium Chain Triglyceride
  • Lecithin
  • Malic Acid
  • Acesulfame Potassium
  • Sucralose
  • FD&C Yellow #5 Medium
Efficacy Fair

Dosage Analysis

  • Vitamin A 5000 IU Under-dosed
  • Vitamin C 60 mg Under-dosed
  • Vitamin D 200 IU Under-dosed
  • Vitamin E 30 IU Effective
  • Thiamine 4.8 mg Effective
  • Riboflavin 4 mg Effective
  • Niacin 50 mg High
  • Vitamin B6 5 mg Effective
  • Folic Acid 400 mcg Effective
  • Vitamin B12 10 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid 25 mg Effective
  • Calcium 630 mg Effective
  • Iron 5 mg Under-dosed
  • Phosphorus 460 mg Under-dosed
  • Iodine 150 mcg Effective
  • Magnesium 140 mg Under-dosed
  • Zinc 15 mg Effective
  • Selenium 70 mcg Effective
  • Copper 1 mg Effective
  • Manganese 2 mg Effective
  • Chromium 120 mcg Effective
  • Molybdenum 75 mcg Effective
  • Potassium 940 mg Effective
  • Creatine Monohydrate 1 g Under-dosed
  • L-Glutamine 500 mg Under-dosed
  • Glutamine Peptides 500 mg Under-dosed
  • Choline (as Choline Bitartrate) 250 mg Under-dosed
  • Inositol 250 mg Under-dosed
  • Para-Aminobenzoic Acid 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 1250 kcal
Total Fat 4 g 6%
Cholesterol 80 mg 27%
Total Carbohydrate 254 g 85%
Protein 50 g 100%
Vitamin A 5000 IU 100%
Vitamin C 60 mg 100%
Vitamin D 200 IU 50%
Vitamin E 30 IU 100%
Thiamine 4.8 mg 320%
Riboflavin 4 mg 235%
Niacin 50 mg 250%
Vitamin B6 5 mg 250%
Folic Acid 400 mcg 100%
Vitamin B12 10 mcg 167%
Biotin 300 mcg 100%
Pantothenic Acid 25 mg 250%
Calcium 630 mg 63%
Iron 5 mg 28%
Phosphorus 460 mg 46%
Iodine 150 mcg 100%
Magnesium 140 mg 35%
Zinc 15 mg 100%
Selenium 70 mcg 100%
Copper 1 mg 50%
Manganese 2 mg 100%
Chromium 120 mcg 100%
Molybdenum 75 mcg 100%
Sodium 430 mg 18%
Potassium 940 mg 27%
Creatine Monohydrate 1 g
L-Glutamine 500 mg
Glutamine Peptides 500 mg
Choline (as Choline Bitartrate) 250 mg
Inositol 250 mg
Para-Aminobenzoic Acid 5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

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

Provides natural color and additional nutritional value.

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
Thiamine 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 Triglyceride Unknown
Lecithin Safe

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

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

FD&C Yellow #5 Caution

It is added to supplements to provide color.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Optimum Nutrition

Founded 1986 · Downers Grove, IL, United States · 95 products · optimumnutrition.com

Certifications

9 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Nsf Certified For Sport Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

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

Optimum Nutrition Serious Mass Banana received a product quality score of 80/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 36 active ingredients with 16 servings per container. Of the 36 inactive ingredients, 15 are rated safe and 2 are flagged for review. The manufacturer, Optimum Nutrition, holds a brand trust score of 92/100 with 9 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport.

What are the ingredients in Optimum Nutrition Serious Mass Banana?

Optimum Nutrition Serious Mass Banana contains 36 active ingredients: Calories (1250 kcal), Total Fat (4 g), Cholesterol (80 mg), Total Carbohydrate (254 g), Protein (50 g), Vitamin A (5000 IU), and 30 more. Notable high-dose ingredients include Thiamine at 320% DV, Riboflavin at 235% DV, Niacin at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Optimum Nutrition Serious Mass Banana safe to take?

Optimum Nutrition Serious Mass Banana has been analyzed for ingredient safety across all its components. Of 36 inactive ingredients, 15 are rated safe. 2 ingredients are flagged for review: Ferrous Fumarate, FD&C Yellow #5. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. 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 92/100 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 95 products in their lineup. They hold 9 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Optimum Nutrition has 5 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. 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.