MET Rx is an American brand that pioneered the concept of meal replacements in the field of nutritional supplements. After its introduction on the market in the mid-1990s, MET Rx became very popular with bodybuilders and athletes, who used it to increase their protein intake and enhance their training results.

Meal replacement powders, also known as MRPs, are easy-to-drink shakes that can be used to boost protein and nutrient intake in the diet. Although MET Rx continues to be popular with athletes, it is also an important dietary supplement for many senior citizens. Because it is easy to consume and contains a high amount of protein, elderly people use MET Rx meal replacement in their diets so they can reach the right proportions of macronutrients they need to stay healthy.

Nowadays, the MET Rx brand produces a wide assortment of high-performance whey protein powders, drinks, and supplements that come in many different flavors. However, the MET Rx original meal replacement shakes are still offered in just their two original flavors, extreme chocolate and vanilla. The shakes contain a balanced mix of vitamins and minerals as well as protein and a high level of calcium.

Overall Rating of MET Rx Meal Replacement

4.5 out of 5 stars

This MET Rx meal replacement review found the product to be widely enjoyed by customers, with a good reputation in the marketplace. Consumers trust the brand name, backed by decades of brand recognition. The fact that the product only comes in two flavors doesn't seem to deter its customers' enthusiasm.

The product itself is easy to prepare and consume, and it provides an above-average level of protein per serving at 36 grams. It delivers 90 percent of the daily value for calcium, as well as 25 vitamins and minerals, all of which make it a balanced meal replacement.

How Meal Replacement Shakes Work

Athletes often use shakes such as this, with high protein content, to supplement lean muscle mass growth and maintenance. These powders are also used by the elderly as dietary supplements because they provide a balanced blend of vitamins and minerals and high levels of calcium. Since it can sometimes be difficult for senior citizens to get all the nutrients they need from their diet alone, a meal replacement shake can be an excellent alternative that is easy to prepare and consume.

Some people use meal replacement shakes for weight loss. By substituting one meal a day  for a shake, a person who wishes to lose weight is able to control their calorie intake without foregoing important nutrition in their diet.

Benefits of MET Rx Meal Replacement

Benefits of Met Rx Meal Replacement

This meal replacement shake has several benefits, most of which relate back to its formulation. The "MET" in the name refers to the company's trademarked proprietary protein blend called metamyosyn.


The metamyosyn blend formulated by the company was designed to achieve specific effects on the user's metabolism. This includes increasing lean muscle mass and improving body composition. Benefits for athletes can include improved workout recovery and support for muscle growth.


The original MET Rx meal replacement shake is composed of 50 percent protein, delivering 36 grams of protein per serving. The company says that its unique formulation results in a special amino acid array that can deliver benefits to the metabolism that go beyond what a person could achieve through food alone.

Specific Benefits for the Elderly

MET Rx meal replacement shakes are especially beneficial for the elderly, for several reasons. The shake's powder format is easy to prepare and drink, even away from home. Sometimes, elderly people cannot eat a solid food diet, and a shake such as this is a convenient and easy way to replace a solid food meal.

Calcium intake is also a special benefit of this shake. Since the elderly need to consume a sufficient daily amount of calcium in order to support their bone strength and health, this shake can help them supplement their calcium intake. One serving of the shake delivers 90 percent of the reccommended daily value of calcium.

Features of MET Rx Meal Replacement

  • Proprietary metamyosyn protein blend
  • Provides 90 percent of daily value of calcium
  • Provides 25 essential vitamins and minerals

The shake offers a special blend of proteins that are formulated by the company to deliver specific metabolic results. The blend offers a sustained release of amino acids to support lean muscle growth and maintenance.

MET Rx acts as a calcium supplement in its own right, reaching nearly 100 percent of the daily value for calcium. This supports bone health and strength, which is especially important for the elderly population.

The product also acts much as a multivitamin, in that it provides 25 essential vitamins and minerals in an easy-to-drink shake. This can be helpful for people who have sensitivity to taking vitamin pills that can sometimes cause upset stomach.

Pros and Cons of MET Rx Meal Replacement

PROS

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    High calcium content
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    Easy-to-consume dietary protein boost
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    25 vitamins and minerals

CONS

  • Can be difficult to mix into a smooth shake
  • Only comes in two flavors

The high calcium content of a MET RX meal replacement, at 90 percent of the daily value for calcium, makes it an excellent choice for anyone who needs to supplement their calcium intake. This is true not only with the elderly but also helpful for athletes and bodybuilders who want to have strong and healthy bones.

The shake format makes this an easy product to take on-the-go and mix up. The high level of dietary protein, at 36 grams, goes far beyond even what most mass-marketed protein powders offer. Protein helps support lean muscle mass.

The 25 vitamins and minerals in the shake can help supplement a multivitamin or act as a dietary supplement for people who are unable to take vitamins in pill format. The vitamins and minerals help support overall balanced health.

Many users have said that they find the shake powder difficult to mix smoothly without the aid of a blender. This can be a drawback if the only available option for mixing is a shaker cup.

There are only two flavors to choose from, either extreme chocolate or original vanilla. Some consumers have said that they don't like the way the shake tastes. However, taste is quite subjective and others have praised the taste, so it really depends on each individual.

Ingredients of MET Rx Meal Replacement

NUTRITION FROM Ensure Original Nutritional Shake

This shake is based around a proprietary protein blend that is made of slow-acting casein with milk protein. It contains milk, egg and soy ingredients.


The specific ingredients in the extreme chocolate flavor are: 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, Sodium Citrate, Magnesium Oxide, Ascorbic Acid, dl-Alpha Tocopheryl Acetate, Ferrous Fumarate, Niacinamide, Vitamin A Palmitate, Calcium Sulfate, Zinc Oxide, d-Calcium Pantothenate, dl-Alpha Tocopherols, Copper Sulfate, Manganese Sulfate, Beta-Carotene, Pyridoxine Hydrochloride, Thiamin Hydrochloride, Riboflavin, Folic Acid, Chromium Picolinate, Biotin, Sodium Molybdate, Potassium Iodide, Tricalcium Phosphate, Sodium Selenite, 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, Soy Lecithin, Sucralose, Gelatin.


The product is aspartame-free and uses sucralose as a sweetener. It is also gluten-free and 97 percent lactose-free.

Customer Reviews of MET Rx Meal Replacement

Most customers give this shake five out of five stars. Customers say they like how thick the shakes are and that they are filling enough to hold them until their next meal.

Although some customers complain that the shake powder can be difficult to mix smoothly, many suggest using a blender for a perfect shake. Customers like that they can trust the MET Rx brand, since it has been around for over two decades in a relatively new industry.

Met Rx Meal Replacement vs SlimFast

While MET Rx is well known among athletes and bodybuilders, Slim Fast is a product that is generally used by those who wish to lose weight. Therefore, the proprietary blend of proteins used in MET Rx is designed with specific metabolic effects in mind that Slim Fast shakes don't necessarily take into account.

A serving of SlimFast has only 10 grams of protein, compared to 36 grams in one serving of MET Rx. However, at 5 grams of dietary fiber, it beats MET Rx's dietary fiber total of 3 grams. The vitamin and mineral count is virtually the same: MET Rx has 25, while SlimFast has 24. SlimFast original shakes come in five different flavors compared to MET Rx's two flavors.

Final Review on Met RX Meal Replacement

The verdict on MET Rx meal replacement is that it is a well-balanced and high-quality nutritional supplement that can be used by the elderly and athletes alike. Consumers like the shake's thick consistency. It delivers high levels of protein and calcium. As a meal replacement, MET Rx checks every box a customer is likely looking for.

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