Big 100 Colossal Bars

Big 100 Colossal Bars

Meal Replacement Protein Blend Bar*
Crunchy and Nutty Bar for Adding Extra Fuel to Growing Muscles*
9.3  out of 10  (163 Reviews)
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Product Overview


Packed with UP TO 32g of exclusive METAMYOSYN® Protein Blend*, these power-packed bars are deliciously awesome, on-the-go meals for athletes and active individuals who want to refuel and shape their bodies.

When it comes to a quality nutrition bar that tastes great, the MET-Rx Big 100 Colossal bar sits at the top of the food chain. MET-Rx Big 100 Colossal bars are packed with high quality protein and vitamins, but their pioneering flavors and textures make them a fan favorite with fitness focused people everywhere. Great tasting fuel on demand!

Ratings & Reviews

Big 100 Colossal Bars
Overall Rating
163 Ratings
Verified Buyer Rating
37 Ratings
Average Flavor Rating
8 Flavors
Top Rated Flavor
Crispy Apple Pie
By clicking the button above, you agree to entering the Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Jun 24, 2019
Verified Buyer

These bars are not too bad. Good flavor and doesn't taste like cardboard.

Jan 19, 2019

The absolute best bar/flavor!

Dec 03, 2018
Verified Buyer

The problem with this bar is not the taste, it is trying to consume it. The caramel sticks to the packaging and makes extremely hard to eat.

Mar 14, 2018
  • 10 Peanut Butter Pretzel

One of the best tasting, if not the best tasting, protein bars that I’ve had. I love these for an on-the-go breakfast or I’ll split half between my pre workout and post workout snack.

May 29, 2017

Read the label: you are buying mainly Soy Protein Isolate - this is the first ingredient in the list. If you are looking for soy protein than this is the right protein bar for you. Otherwise - keep your money for better protein bars with better protein sources

May 07, 2017
Verified Buyer

If your really interested in getting a full meal packed with that extara protein with the least amount of sugar compared to other..., umm, protein bars out there - this is by far the best protein bar out there. I highely recommend it!

Mar 31, 2017

Too much fat and too much sugar. It's 32g protein but it's way too much sugar and fat. I've tried myprotein cookie and it's more protein (37.5g/cookie) and less sugar (7g/cookie) and less fat (10g/cookie) and also cheaper with the deals (buy one get one or 50% off )

Mar 22, 2017
Verified Buyer
No written review.
Mar 15, 2017
Verified Buyer

I normally buy these from the local grocery but they don't have this particular flavor - I decided to throw in a few and glad I did, these were delicious! I'm not extremely picky and enjoy all the flavors though. Very filling bar, definitely a suitable meal replacement.

Feb 24, 2017
No written review.
Dec 13, 2016
Verified Buyer

Great bars and great results. Great for bulking.

Oct 12, 2016
  • 10 Super Cookie Crunch

These are great. I love the cookie crunch ones. Also I read in the nutrition facts that theses are also packed with vitamins like A, B-6, B-12, C, E, and stuff like Calcium, Magnesium, Zinc, and Copper. On top of the 32 grams of protein. I will (just like everyone else) mention the 26 grams of sugar per bar which to me is the only downside. I love em though. I eat one every morning with a cup of coffee.

Oct 03, 2016
Verified Buyer
  • 8 Peanut Butter Pretzel

I have been using these bars as my lunch (along with cottage cheese and sometimes baby carrots) for a number of years. They are quite filling and tasty, particularly the apple pie and the chocolate toasted almond.

Sep 23, 2016
Verified Buyer
  • 8 Peanut Butter Pretzel
  • 5 Super Cookie Crunch

I'll just tell it straight - these bars are sugar-filled, delicious, and have sufficient protein. Anyone looking for something more than that should look elsewhere. Apple Pie is by far the best! I have one almost every day. PB Pretzel is really good too but a tad syrupy. And Cookie Crunch is not good. Don't know why it's rated so high.

Sep 23, 2016
  • 7 Super Cookie Crunch

Look guys, this stuff tastes great. But heed the warning about Sugar Alcohols.

1 Size
9 - 100g Bars
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2 Flavors
Peanut Butter Pretzel
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Price: $27.99  ($3.11 / Serving)
Flavor Rating: 7.7


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Crunchy and Nutty Bar for Adding Extra Fuel to Growing Muscles*

What's in MET-Rx Big 100 Colossal Bars

9 - 100g Bars Peanut Butter Pretzel
Serving Size 1 Bar (100 g)
Servings Per Container 9
Amount Per Serving
Calories 410       
Calories From Fat 110       
%Daily Value *
Total Fat 12 g 18%
Saturated Fat 5 g 25%
Trans Fat 0 g       
Cholesterol 0 mg 0%
Sodium 510 mg 21%
Potassium 210 mg 6%
Total Carbohydrate 47 g 16%
Dietary Fiber 3 g 12%
Sugars 28 g       
Protein 30 g 60%
Vitamin A 35%
Vitamin C 30%
Calcium 30%
Iron 50%
Vitamin E 40%
Vitamin K 2%
Thiamin 45%
Riboflavin 35%
Niacin 45%
Vitamin B-6 35%
Folic Acid 45%
Vitamin B-12 30%
Biotin 35%
Pantothenic Acid 35%
Phosphorus 30%
Iodine 30%
Magnesium 25%
Zinc 40%
Selenium 4%
Copper 60%
Manganese 25%
Molybdenum 6%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
METAMYOSYN® PBP Protein Blend (Soy Crisps [Soy Protein Isolate, Tapioca Starch, Salt], Whey Protein Isolate, Casein, Soy Protein Isolate, Hydrolyzed Whey Protein Isolate, Egg White, L-Glutamine), Peanut Butter Flavored Coating (Sugar, Fractionated Palm Kernel Oil, Partially Defatted Peanut Flour, Sodium Caseinate, Soy Lecithin, Salt, Natural Flavor), Corn Syrup, High Fructose Corn Syrup, Enriched Wheat Flour (Wheat Starch, Reduced Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Glycerin, Rolled Oats, Invert Evaporated Cane Syrup, Peanuts, Water, Partially Defatted Peanut Flour, Sugar, Oligofructose, Peanut Butter (Peanuts), Fractionated Palm Kernel Oil, Nonfat Milk, Natural Flavor, Vitamin and Mineral Blend (Calcium Carbonate, Magnesium Oxide, Ascorbic Acid, Ferric Orthophosphate, dl-Alpha Tocopheryl Acetate, Niacinamide, Zinc Oxide, Copper Gluconate, d-Calcium Pantothenate, Vitamin A Palmitate, Pyridoxine Hydrochloride, Riboflavin, Thiamin Mononitrate, Folic Acid, Biotin, Potassium Iodide, Cyanocobalamin), Fructose, Salt, Caramel Color, Soy Lecithin, Whey Protein Concentrate, Mono- And Diglycerides, Unsweetened Chocolate, Vegetable Oil (Corn, Canola, Cottonseed and/or Soybean), Heavy Cream (Cream, Milk, Cellulose Gel, Milk Solids, Carrageenan, Cellulose Gum), Butter (Cream, Salt, Annatto Color), Tocopherols, Sodium Citrate, Carrageenan, Sodium Bicarbonate, Maltodextrin, Sodium Phosphate, Yeast, Dextrose.
Contains milk, egg, wheat, soy and peanut ingredients.

Directions For Big 100 Colossal Bars: For best results drink 8 fl. ounces of water or other liquid with this bar.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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