No Thanks

Your 10% Off Promo Code is on the Way! Thanks for signing up for emails.

You're now signed up to receive exclusive deals and savings opportunities!

Thanks again for connecting with us. Keep an eye on your inbox — your first coupon is on its way!

Thank You! This email address is already signed up

You are signed up for the following:

  • Offers
  • Recipes
  • E-Newsletter
  • Updates & Reminders

Thank you for your interest and be assured that you will continue to receive our emails at this address.

Look for your next communication from us within the next week.


We are having trouble processing your request.

Our apologies!

Please try again later.


Meal Replacement Extreme Chocolate

Item | MET006

  • A complete protein blend to help build lean muscle

  • Delivers 38 grams of protein, including Metamyosyn® protein blend

  • Aspartame-free and manufactured in the USA

5% OFF

Customers Also Viewed

Nutrition Facts

about 18 servings per container

Serving size

1 Packet (72 g)

Amount per serving



% Daily Value * 

Total Fat  2.5 g 4%
Saturated Fat 1 g 4%
Trans Fat 0 g  
Cholesterol  20 mg 7%
Sodium  380 mg 16%
Potassium 1,290 mg 37%
Total Carbohydrate  17 g 6%
Dietary Fiber  3 g 11%
Sugars  2 g  
Protein  38 g 76%
Vitamin A (50% as Beta-Carotene) 90%
Vitamin C 100%
Calcium 110%
Iron 70%
Vitamin D 60%
Vitamin E 150%
Vitamin K 50%
Thiamin 60%
Riboflavin 60%
Niacin 100%
Vitamin B-6 60%
Folic Acid 100%
Vitamin B-12 50%
Biotin 60%
Pantothenic Acid 40%
Phosphorus 90%
Iodine 40%
Magnesium 60%
Zinc 40%
Selenium 40%
Copper 40%
Manganese 50%
Chromium 50%
Molybdenum 80%
Chloride 15%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

INGREDIENTS: Metamyosyn® Protein Blend (Milk Protein Concentrate, Calcium Sodium Caseinate, L-Glutamine, Whey Protein Concentrate, Egg White), Maltodextrin, Cocoa (processed with alkali), Vitamin and Mineral Blend (Dicalcium Phosphate, Dipotassium Phosphate, Potassium Chloride, Potassium Citrate, Magnesium Oxide, Sodium Citrate, Ascorbic Acid, Tricalcium Phosphate, dl-Alpha Tocopheryl Acetate, Ferrous Fumarate, Niacinamide, Beta-Carotene, Vitamin A Palmitate, Calcium Sulfate, Zinc Oxide, d-Calcium Pantothenate, Copper Sulfate, Manganese Sulfate, Pyridoxine Hydrochloride, Thiamin Hydrochloride, Riboflavin, Sodium Selenite, Folic Acid, Chromium Picolinate, Biotin, Sodium Molybdate, Potassium Iodide, Phytonadione, Cholecalciferol, Cyanocobalamin), Natural and Artificial Flavors, Non-Dairy Creamer (Sunflower Oil, Maltodextrin, Sodium Caseinate, Mono- & Di-glycerides, Natural Tocopherols, Silicon Dioxide, Tricalcium Phosphate), Calcium Lactate, Cellulose Gum, Xanthan Gum, Salt, Acesulfame Potassium, Guar Gum, Carrageenan, Sucralose, Soy Lecithin, Gelatin.

Contains milk, egg and soy ingredients.

Not a low calorie food. Some sugar naturally occurs in ingredients. See nutrition fact panel for sugar and calorie content.

Typical Amino Acid Profile (milligrams per 72 g packet****)

Essential Amino Acids:

  • Histidine: 1,010 mg
  • Isoleucine: 1,688 mg
  • Leucine: 3,158 mg
  • Lysine: 2,704 mg
  • Methionine: 950 mg
  • Phenylalanine: 1,667 mg
  • Threonine: 1,506 mg
  • Tryptophan*****: 380 mg
  • Valine: 2,140 mg

Nonessential Amino Acids:

  • Alanine: 1,114 mg
  • Arginine: 1,249 mg
  • Aspartic Acid: 2,453 mg
  • Cysteine: 216 mg
  • Glutamic Acid: 7,054 mg
  • Glycine: 634 mg
  • Proline: 3,366 mg
  • Serine: 1,867 mg
  • Tyrosine: 1,804 mg

*****L-Tryptophan is naturally occurring, not added.

****Approximate values.

Directions: For adults, add one (1) packet to 16-20 fl. ounces of cold water or milk and mix thoroughly in a shaker or blender. Increase or decrease the amount of liquid to achieve desired consistency. Drink two shakes per day for best results. As a reminder, discuss the supplements and medications you take with your health care providers.

For Mass Gaining: add higher calorie foods such as peanut butter, 1-2% milk, and fruit juices.

For Dieters: add lower calorie foods such as skim milk or just use water.

Use MET-Rx® Meal Replacement any time of the day including:

  • Immediately After Exercise
  • With Meals
  • In Between Meals
  • Before Bed

WARNING: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Not intended for use by persons under the age of 18.


NOTICE: Use this product as a food supplement only. Do not use for weight reduction.

Manufactured in the USA.

  • 97% Lactose Free.
  • Naturally and Artificially Flavored.
  • Aspartame Free.
  • Free of hydrogenated oils.
  • Gluten Free.
  • A complete protein blend to help build lean muscle

  • Delivers 38 grams of protein, including Metamyosyn® protein blend

  • Aspartame-free and manufactured in the USA

MET-Rx®  introduced us to the Metamyosyn protein blend, and now they've upgraded the original formula to take out everything you didn't want while keeping in this exclusive protein blend. Metamyosyn combines slow-acting casein with milk protein, which is a natural source of whey and casein. It also features L-glutamine and naturally occurring Branched Chain Amino Acids (BCAAs). The result is a highly bioavailable fuel that helps build lean muscle mass and strength. Here's what each single-serving packet offers...

  • 38 grams of the exclusive Metamyosyn protein blend to help build lean muscle
  • 17 grams of carbs to support muscle glycogen needs as well as energy levels at rest and during exercise
  • 25 essential vitamins and minerals with 100% DV calcium to support your body's nutritional needs
  • NO aspartame, hydrogenated oils, trans-fats, added sugar or gluten

This meal replacement protein powder can be the foundational supplement for all athletes looking to improve their overall health and physique. It is a great-tasting way to make sure you are getting the balanced nutrition you need to reach your fitness goals. Plus, the convenient single-serving packets mean you can take them whenever and wherever life takes you.

Terms and Ingredient Definitions

Shipping Weight: 3.49 lbs

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.

MSRP: $72.99

For our website and catalog, the MSRP is the "Manufacturer's Suggested Retail Price." The MSRP is understood to mean the price at which a manufacturer will recommend a retailer sell a product for in stores, on the internet, or in catalogs. The MSRP of National brand items are dictated to Swanson by each manufacturer. For Swanson brand items, the MSRP is calculated based on a varying percentage above the product's base price.

Disclaimer: Product reviews are provided for informational purposes only. The information or opinions expressed therein are solely those of the contributors and do not necessarily represent those of Swanson Health Products and its employees. Please read full product reviews disclaimer.
1-3 of 3 reviews
sort by: 
Poor ingredients
Too many garbage GMO ingredients for me, Maltodextrin, Artificial Flavors, Non-Dairy Creamer, Acesulfame Potassium, Carrageenan, Sucralose.
Quality: 1.0 / 5.0
Value: 3.0 / 5.0
Effectiveness: 4.0 / 5.0
Convenience: 5.0 / 5.0
Satisfaction: 1.0 / 5.0
Protein at its Best
This is one of the best sources of protein you can buy for the money. I found this on Swanson at a greatly reduced price. If you are into health foods and a protein addict, this if for you. It's like drinking a malted for breakfast that is healthy for you.
Quality: 5.0 / 5.0
Value: 5.0 / 5.0
Effectiveness: 5.0 / 5.0
Convenience: 5.0 / 5.0
Satisfaction: 5.0 / 5.0
High in protein and no sugar
For the price and protein content, this is the best deal going!! The taste is awesome!! I drink these meal replacements all the time....and only 250 calories.
Quality: 5.0 / 5.0
Value: 4.0 / 5.0
Effectiveness: 5.0 / 5.0
Convenience: 5.0 / 5.0
Satisfaction: 5.0 / 5.0

Swanson Health started in 1969 in Fargo, ND with a mission to offer pure and potent health products at a great value. Over 50 years later, we continue to innovate science-backed vitamins and supplements, delivering wellness solutions that help people live simply healthier together, and find vitality at any age. Click here to learn more about us.

For over 50 years, Swanson Health's research and development team has delivered science-backed health and wellness products to people around the world. Our innovation is guided by clinical research, scientific consensus, emerging research and usage traditions, creating products that help you find vitality at any age. At Swanson, we don't hide our science behind proprietary formulas — we believe in easy-to-read, transparent labelling. What's printed on our labels, is exactly what you'll find in our products.

Swanson Health's purity and potency testing begins with our ingredient sourcing, continues through manufacturing, and goes beyond when a product hits the shelf. Our testing exceeds industry standards, ensuring each product meets our quality guarantees for purity and potency. Swanson facilities are Good Manufacturing Practices (GMP) certified, and we voluntarily participate in third-party, independent laboratory testing. With Swanson, you can be sure you're getting the most pure and potent health products at a great value. Click here to learn more about our quality standards.


Easy Refill

  • Get your favorite products delivered automatically
  • 10% off future orders of Swanson brand products in your subscription
  • FREE standard shipping on all future orders over $50
  • Control the frequency, delivery date, item quantity... or cancel at any time
  • Email reminders before each delivery
See all FAQs here