Optimum Nutrition Opti-Men supplement bottle
What We Researched
46 active ingredients analyzed · 5 inactive ingredients decoded · 9 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
78
Product Score Fair
92
Brand Score Excellent

Product Analysis

Transparency Fair

Supplement Facts

IngredientAmount% DV
Vitamin A (as Retinyl Acetate, Beta-Carotene) 10000 IU 200%
Vitamin C (as Ascorbic Acid) 300 mg 500%
Vitamin D (as Cholecalciferol) 300 IU 75%
Vitamin E (as d-Alpha Tocopheryl Succinate) 200 IU 667%
Vitamin K (as Phytonadione) 75 mcg 94%
Thiamin (as Thiamin Hydrochloride) 75 mg 5000%
Riboflavin 75 mg 4412%
Niacin (as Niacinamide) 75 mg 375%
Vitamin B6 (as Pyridoxine Hydrochloride) 50 mg 2500%
Folic Acid 600 mcg DFE 150%
Vitamin B12 (as Cyanocobalamin) 100 mcg 1667%
Biotin 300 mcg 100%
Pantothenic Acid (as d-Calcium Pantothenate) 75 mg 750%
Iodine (as Kelp) 150 mcg 100%
Magnesium (as Magnesium Oxide, Aspartate) 80 mg 20%
Zinc (as Zinc Oxide) 25 mg 227%
Selenium (as Selenomethionine) 200 mcg 364%
Copper (as Copper Gluconate) 2 mg 222%
Manganese (as Manganese Sulfate) 2 mg 87%
Chromium (as Chromium GTF) 120 mcg 343%
Molybdenum (as Molybdenum Amino Acid Chelate) 80 mcg 178%
Amino-Blend 1 g
L-Arginine
L-Glutamine
L-Valine
L-Leucine
L-Isoleucine
Cystine
L-Lysine
Phyto-Blend 240 mg
Green Tea Powder
Hesperidin Citrus Bioflavonoids
Deodorized Garlic Powder
Grape Seed Extract
Blueberry Powder
Cranberry Powder
Carotenoid Complex 140 mg
Lutein
Lycopene
Alpha-Carotene
Zeaxanthin
Enzyme Blend 50 mg
Papain
Bromelain
Amylase
Lipase
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as Retinyl Acetate, Beta-Carotene) Good
  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D (as Cholecalciferol) Good
  • Vitamin E (as d-Alpha Tocopheryl Succinate) Good
  • Vitamin K (as Phytonadione) Fair
  • Thiamin (as Thiamin Hydrochloride) Fair
  • Riboflavin Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folic Acid Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as d-Calcium Pantothenate) Good
  • Iodine (as Kelp) Good
  • Magnesium (as Magnesium Oxide, Aspartate) Poor
  • Zinc (as Zinc Oxide) Poor
  • Selenium (as Selenomethionine) Good
  • Copper (as Copper Gluconate) Good
  • Manganese (as Manganese Sulfate) Good
  • Chromium (as Chromium GTF) Fair
  • Molybdenum (as Molybdenum Amino Acid Chelate) Good
  • L-Arginine Good
  • L-Glutamine Good
  • L-Valine Good
  • L-Leucine Good
  • L-Isoleucine Good
  • Cystine Fair
  • L-Lysine Good
  • Green Tea Powder Fair
  • Hesperidin Citrus Bioflavonoids Good
  • Deodorized Garlic Powder Fair
  • Grape Seed Extract Good
  • Blueberry Powder Fair
  • Cranberry Powder Fair
  • Carotenoid Complex Good
  • Lutein Good
  • Lycopene Good
  • Alpha-Carotene Fair
  • Zeaxanthin Good
  • Enzyme Blend Good
  • Papain Fair
  • Bromelain Good
  • Amylase Good
  • Lipase Good
Other Ingredients Excellent

Fillers & Additives

  • Keracy® (Plant Cellulose
  • Stearic Acid
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silica
Efficacy Very Good

Dosage Analysis

  • Vitamin A (as Retinyl Acetate, Beta-Carotene) 10000 IU Under-dosed
  • Vitamin C (as Ascorbic Acid) 300 mg Effective
  • Vitamin D (as Cholecalciferol) 300 IU Under-dosed
  • Vitamin E (as d-Alpha Tocopheryl Succinate) 200 IU Effective
  • Vitamin K (as Phytonadione) 75 mcg Under-dosed
  • Thiamin (as Thiamin Hydrochloride) 75 mg Effective
  • Riboflavin 75 mg Effective
  • Niacin (as Niacinamide) 75 mg High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 50 mg Effective
  • Folic Acid 600 mcg DFE Effective
  • Vitamin B12 (as Cyanocobalamin) 100 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid (as d-Calcium Pantothenate) 75 mg Effective
  • Iodine (as Kelp) 150 mcg Effective
  • Magnesium (as Magnesium Oxide, Aspartate) 80 mg Under-dosed
  • Zinc (as Zinc Oxide) 25 mg Effective
  • Selenium (as Selenomethionine) 200 mcg Effective
  • Copper (as Copper Gluconate) 2 mg Effective
  • Manganese (as Manganese Sulfate) 2 mg Effective
  • Chromium (as Chromium GTF) 120 mcg Effective
  • Molybdenum (as Molybdenum Amino Acid Chelate) 80 mcg Effective
  • Carotenoid Complex 140 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as Retinyl Acetate, Beta-Carotene) 10000 IU 200%
Vitamin C (as Ascorbic Acid) 300 mg 500%
Vitamin D (as Cholecalciferol) 300 IU 75%
Vitamin E (as d-Alpha Tocopheryl Succinate) 200 IU 667%
Vitamin K (as Phytonadione) 75 mcg 94%
Thiamin (as Thiamin Hydrochloride) 75 mg 5000%
Riboflavin 75 mg 4412%
Niacin (as Niacinamide) 75 mg 375%
Vitamin B6 (as Pyridoxine Hydrochloride) 50 mg 2500%
Folic Acid 600 mcg DFE 150%
Vitamin B12 (as Cyanocobalamin) 100 mcg 1667%
Biotin 300 mcg 100%
Pantothenic Acid (as d-Calcium Pantothenate) 75 mg 750%
Iodine (as Kelp) 150 mcg 100%
Magnesium (as Magnesium Oxide, Aspartate) 80 mg 20%
Zinc (as Zinc Oxide) 25 mg 227%
Selenium (as Selenomethionine) 200 mcg 364%
Copper (as Copper Gluconate) 2 mg 222%
Manganese (as Manganese Sulfate) 2 mg 87%
Chromium (as Chromium GTF) 120 mcg 343%
Molybdenum (as Molybdenum Amino Acid Chelate) 80 mcg 178%
Amino-Blend 1 g
L-Arginine
L-Glutamine
L-Valine
L-Leucine
L-Isoleucine
Cystine
L-Lysine
Phyto-Blend 240 mg
Green Tea Powder
Hesperidin Citrus Bioflavonoids
Deodorized Garlic Powder
Grape Seed Extract
Blueberry Powder
Cranberry Powder
Carotenoid Complex 140 mg
Lutein
Lycopene
Alpha-Carotene
Zeaxanthin
Enzyme Blend 50 mg
Papain
Bromelain
Amylase
Lipase

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Keracy® (Plant Cellulose Unknown
Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

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 Opti-Men a good supplement?

Optimum Nutrition Opti-Men received a product quality score of 78/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 46 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 0 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 Opti-Men?

Optimum Nutrition Opti-Men contains 46 active ingredients: Vitamin A (as Retinyl Acetate, Beta-Carotene) (10000 IU), Vitamin C (as Ascorbic Acid) (300 mg), Vitamin D (as Cholecalciferol) (300 IU), Vitamin E (as d-Alpha Tocopheryl Succinate) (200 IU), Vitamin K (as Phytonadione) (75 mcg), Thiamin (as Thiamin Hydrochloride) (75 mg), and 40 more. Notable high-dose ingredients include Vitamin C at 500% DV, Vitamin E at 667% DV, Thiamin at 5000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Optimum Nutrition Opti-Men safe to take?

Optimum Nutrition Opti-Men has been analyzed for ingredient safety across all its components. 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.

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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. 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.