Isopure Reviews

August 4, 2019 by  
Filed under Weight Lifting

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Protein powders are great for building muscle, muscle recovery, and staying satiated while on a low calorie/fat diet. With so many choices on the market today it’s easy to get confused. There are hundreds of types of protein, flavors, and claims by their manufacturers! We took a good look at reviews and research for four top protein powders, breaking them down by the quality of their ingredients, cost, usability, product guarantee and expected results. First up is Isopure, a whey isolate protein powder. Isopure is a good option for most fitness plans because it contains no carbs, sugar, cholesterol or fat and is moderate in calories. Many reviews reported muscle gains and weight loss after using Isopure, in addition to weight training, exercise and a healthy diet.

What Is Isopure Zero Carb Protein Powder? 

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Isopure Zero Carb Protein Powder is a whey isolate protein powder, ideal for building muscle and aiding in fat loss. Whey isolates like Isopure typically contain very little carbs or sugar and the body can absorb 8–10 grams per hour, making it a viable choice before, during or after a workout. Whey isolate is one of the most common protein forms on the market, and though it’s from a dairy source, it is lactose-free; easily absorbed by the body. Many reviews we found reported Isopure did not cause uncomfortable gassiness or bloatedness experienced with other protein powders. Reviewers also liked the simplicity of Isopure's ingredients, no gluten or chemicals, though soy is added for creaminess. Here’s the breakdown for Isopure Zero Carb Protein powder, which comes in over 17 flavors.

Isopure Zero Carb Protein Powder Benefits

  • 25 grams protein per serving
  • Zero sugar
  • 100 calories per scoop
  • Whey protein isolate
  • Zero carbs (2 low carb varieties)
  • Gluten, lactose and aspartame free (contains sucralose, a natural sugar)
  • Zero sugar per serving

Flavors of Isopure

Isopure Zero Carb Protein Powder is offered in a wide variety of flavors, including Banana Cream, Cookies and Cream, Mango Peach, Apple Melon and Creamy Vanilla. Isopure makes two low-carb versions, Dutch Chocolate and Toasted Coconut, containing just one gram of carb per 2-scoop serving and zero sugar. Isopure also makes a flavorless variety, which mixes well with other flavors like cocoa powder, peanut powder, or sweeteners like fruit, honey or stevia.

Using Isopure 

Isopure stands out for having no added fillers, made up of a pure whey protein isolate, which mixes easily with water or milk. Isopure recommends a mixture of 6 ounces of water per 2 scoops for a total of 50 grams of protein per serving, but many users say they adjusted the amount of scoops and liquid to their taste and preference. A popular suggestion to make Isopure shakes richer was to replace water with non-dairy milk like almond milk. For an extra bit of flavor, some users said they liked adding cocoa powder, peanut powder or fruits and berries (use a blender for adding fruits). When stored in a cool dry place Isopure protein powder can keep fresh up to a year.

Pricing 

Isopure protein powder comes in three bulk sizes and can be purchased directly at: theisopurecompany.com. Other recommended sellers are: GNC.com, Bodybuilding.com, Amazon.com, and Vitaminshoppe.com. Prices range from about $16 for a 1-pound container to $95 for a 7.5-pound container. Prices average about $1.50 per serving; fairly economical for a high-quality protein powder.

Average Price of Isopure 

  • 1 pound packet (7 servings) - $15
  • 3 pound tub (22 servings) - $40
  • 4.5-pound tub (creamy vanilla only) - $50
  • 7.5 pound tub (55 servings) - $95

How Isopure Compares

We picked a few similar products available on the market to see how they compare to Isopure.

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  • BioTrust Low Carb Grass Fed Whey Protein Powder
  • MusclePharm Combat 100% Whey Protein Powder
  • Perfect Keto Chocolate Protein Powder

Isopure Zero Carb Protein Powder


At about $1.50 per serving, Isopure is a solid, economical choice for a high-quality protein powder.

Ease of Use 

We gave Isopure Zero Carb Protein powder 4 out of 5 stars. It mixes with easily with water or milk, (similar to or better than any other powder), digests quickly and comes in three different container sizes.

Expected Results 

4 out of 5 stars. Reviews report it doesn’t cause gas or bloating like other powders and helps with weight loss and muscle gain.

Quality of Ingredients 

3.5 out of 5 stars. Isopure contains high-quality protein, vitamins and minerals but the flavored versions added sucralose. (Xanthan Gum, Natural And Artificial Flavor, Sucralose). Also, those with soy allergies should note Isopure does contain soy for added for creaminess.

Guarantee 

Refer to the vendor for its return policy, but most sellers such as Amazon offer a 100% money-back guarantee within 30 days.

Pros

  • Mixes easily with water
  • Economic
  • No carbs, high protein, no sugar, lactose-free
  • Helps with weight loss and muscle gain

Cons

  • Smells a bit strong
  • Contains soy and sucralose
  • Taste could be better
  • Gassiness/bloating reported by some users

BioTrust Low Carb Grass Fed Whey Protein Powder

BioTrust Low Carb Grass Fed Whey Protein powder is made up of 4 types of dairy protein. The company states Biotrust Protein is from grass-fed cows, contains no artificial colors or additives, is non-GMO, soy free and gluten-free. In addition to whey protein isolate and whey concentrate, it also contains micellar casein, which digests slowly, making it an ideal choice for satiation and helping the body repair overnight. Low Carb Grass Fed Whey Protein stands apart for its trademark digestive enzyme blend, ProHydrolase, which enables the easy absorption of all that protein without unpleasant gastrointestinal effects. It is marketed as a weight-loss aid since it helps with satiation (staying fuller longer).

Nutrients and Flavors

A two-scoop serving of BioTrust contains 150 calories, 24 grams of protein, 8 grams of carbs (4 grams of fiber), and 2.5 grams of fat, (1 gram of saturated fat). It’s also high in calcium. BioTrust manufactures Low Carb in six different flavors: Milk Chocolate, Vanilla Cream, Chocolate Peanut Butter, Café Mocha, Strawberry Banana, and Peach Mango.

Price - $$$

Very expensive. One tub (1.2 pounds of 14 servings) = $49 dollars on Amazon. About $3.50 per serving.

Ease of Use 

We gave 4 out of 5 stars for ease of use. Mixes easily with water or milk.

Expected Results 

We gave 4.5 out of 5 stars for its ability to digest easily, ward off hunger, and help with muscle building and recovery.

Quality of Ingredients 

We gave BioTrust 3.5 out of 5 stars for ingredient quality. Seems legit, but hard to know. The company states their protein is from “grass fed, hormone free, happy cows” but does not list the ingredients in their “new breakthrough” enzyme, ProHydrolase.

Guarantee 

BioTrust is listed as Amazon’s Choice product and free returns are guaranteed within 30 days. Refer to each vendor for individual return policies.

Pros

  • Satiating, 4 grams of fiber per serving
  • Mixes easily with water or milk
  • Digests well, does not cause bloating or gas
  • Free-range, hormone-free dairy protein

Cons


  • High in cholesterol and sodium, (180 sodium and 30 mg cholesterol per serving)
  • Expensive - about 3 times as expensive as similar products
  • Bland/chalky taste
  • Mysterious ingredients in its digestive enzyme blend ProHydrolase

MusclePharm Combat 100% Whey Protein Powder


The key feature of MusclePharm’s protein powder is its combination of whey isolate, casein, egg protein and whey concentrate protein which deliver a lot of protein and aid in quick digestion; great for before, during, or after a workout. The product has a lot of rave reviews about its amazing taste, though some said it was too sweet for their liking. The company states they test batches for banned substances and protein quality, and each serving delivers 25 grams of protein. Each one scoop serving has 130 calories, 25 grams of protein, 2 grams of fat, (1 gram saturated fat), 5 grams of carbs and 2 grams of sugar. Though there are no artificial dyes or colors and it is gluten-free, it is not lactose-free, contains artificial ingredients and sugars, and makes no statement to be non-GMO.

Ease of Use 

We gave 4 out of 5 stars for ease of use. Reviewers said it mixes great in a blender with water, milk, almond milk, fruits, and vegetables. Like most protein powders, there were complaints it takes a while to mix completely and can leave clumps.

Expected Results 

We gave MusclePharm 4 out of 5 stars for being an easy way to ingest 25-50 grams of protein, especially for fitness buffs. Lactose intolerant users should keep in mind the product does contain lactose!

Quality of Ingredients 

2.5 out of 5 stars. MusclePharm uses artificial sweeteners which we don’t like, as well as cellulose gum, guar gum, xanthan gum, sucralose, acesulfame potassium and soy lecithin. Again, it is not lactose-free, and has no statement about being GMO-free.

Guarantee 

4 out of 5 stars. All MusclePharm sales via Amazon.com are backed by a 30-day, money-back guarantee, but make sure to check each individual vendor for their policy.

Pros

  • Inexpensive
  • Tastes yummy (on the sweet side!)
  • Whey, casein and egg protein for ultimate absorption

Cons

  • One gram saturated fat per serving
  • Artificial ingredients/sweeteners
  • High calorie/cholesterol (130 calories / 35 mg cholesterol per scoop)
  • Not vegan, contains lactose, no statement on GMO testing

Perfect Keto Chocolate Protein Powder


Keto Collagen is advertised as a keto-friendly protein powder derived from collagen, a necessary amino acid for muscle recovery which doesn’t affect blood sugar. The company states their collagen peptides are taken from U.S.A. grass-fed cows and their product contains no artificial sweeteners, coloring, chemicals, or binding agents. Collagen protein is a good source for is supporting connective tissues and improving joint pain after exercise. It is not a complete protein like whey protein and is lower in protein content. That makes it a good choice for those following a ketogenic diet or wanting to repair connective tissue and joints but not ideal for body-builders or those on low-fat diet. Each one-scoop serving has 4 grams saturated fat, 80 calories, and only 10 grams of protein. Current flavors are chocolate, caramel, vanilla or unflavored. Many keto-friendly reviews said they liked to mix the powder into their coffee for an energy boost in the morning.

Ease of Use 

We gave 3.5 out of 5 stars. There were quite a few reports of overstuffed packaging causing spills with each use. Several reviews reported the powder leaves an ugly “scum” when mixed into hot beverages like coffee.

Expected Results 

We gave 4 out of 5 stars. Keto protein powder is advertised to help with joints, connective tissue, hair, skin and nails and many users report positive results in these areas, including increased energy.

Quality of Ingredients 

4 out of 5 stars for quality ingredients. For those who don’t like the Stevia taste in the flavored options, there is an unflavored powder.

Guarantee 

3 out of 5 stars for product guarantee. Amazon states it will honor a Keto protein powder replacement only once and the PerfectKeto.com requires you to contact the company directly.

Pros

  • Collagen-based protein to strengthen connective tissue
  • Tastes good
  • Keto-friendly
  • Paleo, gluten-free, no additives, chemicals or fake sugars

Cons

  • Expensive
  • Messy
  • High fat
  • Stevia taste


The Takeaway

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After reviewing these four products, we gave Isopure the highest rating, with 4.5 out of 5 stars. Isopure is keto friendly, lactose-free, non-GMO, great for building muscle, and aids in weight loss, satiation and muscle recovery. Complaints were few and had to do with taste and occasional gassiness. We feel Isopure is a solid choice for those wanting to gain muscle, lose weight or maintain a lean diet. We also like that it contains no additives or fake sugars and is a great price at $1.50 per serving.

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