MET-Rx Big 100, Meal Replacement Bar, Super Cookie Crunch, 9 Bars, 3.52 oz (100 g) Each supplement bottle
MET-Rx

Big 100, Meal Replacement Bar, Super Cookie Crunch, 9 Bars, 3.52 oz (100 g) Each

What We Researched
31 active ingredients analyzed · 39 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
72
Product Score Fair
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D 0 mcg 0%
Iron 5.3 mg 30%
Vitamin A 440 mcg RAE 50%
Vitamin E 5.8 mg 40%
Riboflavin 0.5 mg 40%
Vitamin B6 0.58 mg 35%
Vitamin B12 1.77 mcg 70%
Pantothenic Acid 2.9 mg 60%
Iodine 44 mcg 30%
Zinc 5.5 mg 50%
Calcium 240 mg 20%
Potassium 420 mg 8%
Vitamin C 17 mg 20%
Thiamin 0.44 mg 35%
Niacin 5.8 mg NE 35%
Folate (115 mcg folic acid) 195 mcg DFE 50%
Biotin 87.1 mcg 290%
Phosphorus 330 mg 25%
Magnesium 40 mg 10%
Copper 1.01 mg 110%
Bioavailability Very Good

Absorption Rating

  • Vitamin D Good
  • Iron Fair
  • Vitamin A Good
  • Vitamin E Good
  • Riboflavin Good
  • Vitamin B6 Fair
  • Vitamin B12 Fair
  • Pantothenic Acid Good
  • Iodine Good
  • Zinc Fair
  • Calcium Good
  • Potassium Good
  • Vitamin C Fair
  • Thiamin Good
  • Niacin Good
  • Folate (115 mcg folic acid) Fair
  • Biotin Good
  • Phosphorus Good
  • Magnesium Good
  • Copper Fair
Other Ingredients Excellent

Fillers & Additives

  • Metamyosyn Protein Blend (Cocoa Soy Crisp [Soy Protein Isolate, Cocoa (Processed With Alkali), Tapioca Starch], Milk Protein Isolate, Whey Protein Isolate, Whey Protein Concentrate, Egg White, L-Glutamine)
  • Corn Syrup
  • Sugar
  • Canola Oil
  • Cocoa (Processed with Alkali)
  • Fractionated Palm Kernel And Palm Oil
  • Fructose
  • Glycerine
  • Water
  • Cocoa
  • Natural Flavor
  • Milk
  • Unsweetened Chocolate
  • Cocoa Butter
  • Whey
  • Nonfat Milk
  • Oligofructose
  • Soy Lecithin
  • Partially Defatted Peanut Flour
  • Butterfat
  • Salt
  • Xanthan Gum
  • Almond Butter
  • Tocopherols Added To Protect Flavor. Vitamins and Minerals Blend: Potassium Phosphate
  • Tricalcium Phosphate
  • Ascorbic Acid
  • D-Alpha-Tocopherol Acetate
  • Niacinamide
  • Zinc Oxide
  • Copper Gluconate
  • Calcium Pantothenate
  • Vitamin A Palmitate
  • Pyridoxine Hydrochloride
  • Riboflavin
  • Thiamine Mononitrate
  • Folic Acid
  • Biotin
  • Potassium Iodide
  • Cyanocobalamin
Efficacy Very Poor

Dosage Analysis

  • Vitamin D 0 mcg Under-dosed
  • Iron 5.3 mg Under-dosed
  • Vitamin A 440 mcg RAE Under-dosed
  • Vitamin E 5.8 mg Under-dosed
  • Riboflavin 0.5 mg Under-dosed
  • Vitamin B6 0.58 mg Under-dosed
  • Vitamin B12 1.77 mcg Under-dosed
  • Pantothenic Acid 2.9 mg Under-dosed
  • Iodine 44 mcg Under-dosed
  • Zinc 5.5 mg Under-dosed
  • Calcium 240 mg Under-dosed
  • Potassium 420 mg Under-dosed
  • Vitamin C 17 mg Under-dosed
  • Thiamin 0.44 mg Under-dosed
  • Niacin 5.8 mg NE Under-dosed
  • Folate (115 mcg folic acid) 195 mcg DFE Under-dosed
  • Biotin 87.1 mcg Effective
  • Phosphorus 330 mg Under-dosed
  • Magnesium 40 mg Under-dosed
  • Copper 1.01 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 410
Total Fat 13 g 17%
Saturated Fat 6 g 30%
Trans Fat 0 g
Cholesterol 10 mg 3%
Sodium 320 mg 14%
Total Carbohydrate 42 g 15%
Dietary Fiber 2 g 7%
Total Sugars 25 g
Includes 24 g Added Sugars 48%
Protein 32 g 64%
Vitamin D 0 mcg 0%
Iron 5.3 mg 30%
Vitamin A 440 mcg RAE 50%
Vitamin E 5.8 mg 40%
Riboflavin 0.5 mg 40%
Vitamin B6 0.58 mg 35%
Vitamin B12 1.77 mcg 70%
Pantothenic Acid 2.9 mg 60%
Iodine 44 mcg 30%
Zinc 5.5 mg 50%
Calcium 240 mg 20%
Potassium 420 mg 8%
Vitamin C 17 mg 20%
Thiamin 0.44 mg 35%
Niacin 5.8 mg NE 35%
Folate (115 mcg folic acid) 195 mcg DFE 50%
Biotin 87.1 mcg 290%
Phosphorus 330 mg 25%
Magnesium 40 mg 10%
Copper 1.01 mg 110%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Metamyosyn Protein Blend (Cocoa Soy Crisp [Soy Protein Isolate, Cocoa (Processed With Alkali), Tapioca Starch], Milk Protein Isolate, Whey Protein Isolate, Whey Protein Concentrate, Egg White, L-Glutamine) Unknown
Corn Syrup Generally_safe

Provides sweetness and texture in gummy supplements.

Sugar Generally_safe

Adds sweetness to chewable or gummy supplements.

Canola Oil Generally_safe

It can be used as a carrier oil or emollient.

Cocoa (Processed with Alkali) Generally_safe

It is added to supplements to provide flavor and color.

Fractionated Palm Kernel And Palm Oil Unknown
Fructose Generally_safe

It is used as a sweetener.

Glycerine Generally_safe

It is used to dissolve ingredients, retain moisture, and add sweetness.

Water Safe

Dissolves and carries water-soluble ingredients.

Cocoa Generally_safe

It is used as a flavoring agent.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Milk Unknown
Unsweetened Chocolate Safe

It is used to add chocolate flavor to the supplement.

Cocoa Butter Safe

It is used as an emollient or to improve product texture.

Whey Generally_safe

It is used as a filler or protein source.

Nonfat Milk Unknown
Oligofructose Generally_safe

It is used as a filler and to support digestive health.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Partially Defatted Peanut Flour Unknown
Butterfat Unknown
Salt Safe

It is used as a flavoring agent.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Almond Butter Generally_safe

It is used as a filler or binder, and to add flavor and nutrients.

Tocopherols Added To Protect Flavor. Vitamins and Minerals Blend: Potassium Phosphate Unknown
Tricalcium Phosphate Safe

Prevents clumping and provides supplemental calcium.

Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

D-Alpha-Tocopherol Acetate Unknown
Niacinamide Safe

It is included for its potential health benefits.

Zinc Oxide Generally_safe

It is used as a source of zinc.

Copper Gluconate Generally_safe

It is used to provide copper as a dietary supplement.

Calcium Pantothenate Safe

It provides a source of vitamin B5.

Vitamin A Palmitate Generally_safe

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

Pyridoxine Hydrochloride Safe

It is used as a source of vitamin B6.

Riboflavin Safe

It is used as a source of vitamin B2.

Thiamine Mononitrate Safe

It is used as a source of vitamin B1.

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.

Potassium Iodide Generally_safe

It is used as a source of iodine.

Cyanocobalamin Safe

It is used as a source of vitamin B12.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$46$45$44$43$42 Mar 12 $44.00
iHerb

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

Brand Trust Report
MET-Rx

Founded 1991 · Ronkonkoma, New York, United States · 7 products · metrx.com/

Certifications

2 certifications
Consumerlab Verified Source
Labdoor Verified Source

Transparency

1 claim

Violation History

5 incidents
Prop 65 Lead2017-08-11Source
Lawsuit Protein spiking in Body Fortress and Met-Rx protein supplements.2016Source
Lawsuit False advertising of a creatine supplement.2014Source
Recall MET-Rx Protein Plus Chocolate Roasted Peanut with Caramel bars2009-03-05Source
Lawsuit Kidney problems caused by high protein concentration in MET-Rx products.2001Source
Related Supplements
Frequently Asked Questions
Is MET-Rx Big 100, Meal Replacement Bar a good supplement?

MET-Rx Big 100, Meal Replacement Bar, Super Cookie Crunch, 9 Bars, 3.52 oz (100 g) Each received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 31 active ingredients with 9 servings per container. Of the 39 inactive ingredients, 17 are rated safe and 0 are flagged for review. The manufacturer, MET-Rx, holds a brand trust score of 73/100 with 2 verified certifications including Consumerlab, Labdoor.

What are the ingredients in MET-Rx Big 100, Meal Replacement Bar?

MET-Rx Big 100, Meal Replacement Bar contains 31 active ingredients: Calories (410), Total Fat (13 g), Saturated Fat (6 g), Trans Fat (0 g), Cholesterol (10 mg), Sodium (320 mg), and 25 more. Notable high-dose ingredients include Biotin at 290% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is MET-Rx Big 100, Meal Replacement Bar safe to take?

MET-Rx Big 100, Meal Replacement Bar, Super Cookie Crunch, 9 Bars, 3.52 oz (100 g) Each 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 MET-Rx a trustworthy supplement brand?

MET-Rx receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Ronkonkoma, New York, United States, the company offers 7 products in their lineup. They hold 2 verified certifications including Consumerlab, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: MET-Rx 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.