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Customer reviews for ISOPURE Whey Protein Isolate, Unflavored, 1.55 lbs. for
ISOPURE Whey Protein Isolate, Unflavored, 1.55 lbs.
4.4 out of 5 stars
stars
120 ratings116 reviews
  1. 5 stars59% (71)
  2. 4 stars28% (34)
  3. 3 stars8% (10)
  4. 2 stars1% (1)
  5. 1 star3% (4)

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Showing 21-30 of 116 reviews
Oct 26, 2025
alp13_4595
5 out of 5 stars review

Great source of protein

[This review was collected as part of a promotion.] Received this product from influenster for a honest review. This is a great unflavored powder when you add flavor to it. Unflavored tastes strange & unpleasant in my opinion. I think you get good value seeing how similar products go for more typically

Review from influenster.com
Helpful?70GIW7NABGMB16150765564
Aug 15, 2025
ameejun123_4459
4 out of 5 stars review

Should try

[This review was collected as part of a promotion.] This one doesn't change the taste of my drinks at all. I like how simple the packaging it is. It is easy for mixing, but it takes a little bit longer mixing with cold drinks. If its price is affordable, I think it's valuable.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
reply from Isopure

Isopure Unflavored is a great addition to any drink without changing flavor!

Aug 23, 2025
mariahp95_1292
4 out of 5 stars review

Super Versatile Zero-Carb Protein

[This review was collected as part of a promotion.] This unflavored protein powder is incredibly versatile with 25g of protein per serving. On its own with water, it’s bland but works in a pinch for a quick shake. Mixed into pasta sauce, it added protein without overpowering the flavor (though it slightly changed the texture). Blended into a smoothie, I couldn’t even tell it was there! I love how many ways I can use it—next I’m trying brownies or another dessert. Great for hitting protein goals without carbs, just not my favorite when mixed alone.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
reply from Isopure

Pasta sauce and protein? We love this idea! 😎

Sep 17, 2025
inkd_disaster_6387
4 out of 5 stars review

Great Whey Protein Powder

[This review was collected as part of a promotion.] This is the second Isopure Whey Protein powder I have tried. I really like the natural, clean ingredients and 0 sugar. It has 20+ vitamins and minerals. This one I received was unflavored but I couldn’t really stand the weird taste it had. Maybe it’s just me but I did not care for it at all. I do however take it because I like the ingredients and 25 grams of Protein it provides.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
reply from Isopure

We recommend trying Isopure Unflavored in smoothies and juices and letting us know what you think!

Aug 11, 2025
varenkk_5867
4 out of 5 stars review

Nice protein

[This review was collected as part of a promotion.] Well I feel I need to use this product longer to give a very honest review but until now is positive. I can mix very easy, the packaging is good but will be better if is a bit smaller container. Not feeling bad taste and easy to make combinations with smoothies or at breakfast.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
reply from Isopure

Isopure Unflavored is a staple for breakfast!

Aug 24, 2025
Anonymous
5 out of 5 stars review

Doesnt change the flavor (unflavored)

[This review was collected as part of a promotion.] I started adding this protein to my daily green juice and honestly I love it! It doesn’t change the flavor of my green juice frappe 😂 and adds protein to it which is helpful! Also, my stomach is doing good with this protein :)

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
reply from Isopure

Hard to beat protein and greens!

Sep 15, 2025
bellassanctuary_2465
5 out of 5 stars review

Awesome product

[This review was collected as part of a promotion.] Honestly I think it’s an awesome product. It has no flavor and I didn’t think it tasted like some proteins where it’s chalky. It was very easy to mix into other drinks and into my meals. I’d definitely recommend buying it.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Aug 23, 2025
JessicaF
5 out of 5 stars review

Super clean protein!

[This review was collected as part of a promotion.] Isopure Zero Carb Unflavored Protein is super clean and versatile—25g of protein per scoop with no carbs or added flavors. It mixes well into water, smoothies, coffee, or even recipes without overpowering the taste. Great for low-carb or keto diets. Simple, effective, and reliable. Highly recommend!

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Aug 19, 2025
sarahbelle2010_9467
5 out of 5 stars review

I love it!

[This review was collected as part of a promotion.] This is great! I add it to either my coffee or smoothies and it doesn't have any affect on the taste, which is great for me because usually I think protein tastes so bad. It mixes in well and isn't gritty. I love it!

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
reply from Isopure

Can't go wrong with Isopure Unflavored in your coffee or smoothies!

Aug 14, 2025
middleagedmama__9252
5 out of 5 stars review

Love it

[This review was collected as part of a promotion.] Isopure Zero Carb + Vitamins has been a game-changer for me! 💪 I love that it’s zero carb, gluten-free, and packed with essential vitamins. It mixes smoothly, tastes nothing easy to add to any of your food/drink , and gives me clean protein without any heavy feeling. Perfect for post-workout recovery or a quick, healthy boost during the day. 🥤

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564