Skip to Main Content
Sam's Club
Sam's Club
All Departments
All Services
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)

Member photos

Sort by |
Showing 91-100 of 116 reviews
Jul 8, 2025
meaganrose15_4655
5 out of 5 stars review

Love

[This review was collected as part of a promotion.] I chose this one. It is a zero carb protein powder, easy mixability. The packaging was great. It is a decent value for the price. It is very effective for protein powders and the taste is unflavored so it’s not terrible. You can mix it in whatever Scott all your ingredients on the back, it’s got 25 g of protein 0 g of carbs zero sugar, 20 vitamins and a lot more good stuff up in therehighly recommend

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Jul 15, 2025
beautywithhunnie_7985
4 out of 5 stars review

Good powder

[This review was collected as part of a promotion.] This Isopure Zero Carb Protein Poweder is one of the most versatile protein powders I’ve tried. What I love most is that it truly has no taste, so I can mix it into just about anything—smoothies, soups, oatmeal, even coffee—without it changing the flavor or texture. It dissolves really well, especially in warm or blended liquids, and doesn’t leave that chalky or gritty feeling like some other protein powders do. I started using it to increase my protein intake without adding extra carbs, and it’s been a great way to support my energy and muscle recovery without messing with my usual meals. It's clean, easy, and reliable—definitely a staple in my pantry now.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Jul 22, 2025
yourlola_8928
5 out of 5 stars review

Yuum!

[This review was collected as part of a promotion.] I absolutely love this Zero Carb Isopure protein! One of the best things about it is the complete lack of smell — it’s truly odorless, which is rare for protein powders. I added a full scoop to my chia pudding made with coconut milk, and the taste didn’t change at all — amazing! It dissolves so easily and leaves no trace of texture or aftertaste. I’m genuinely impressed and thrilled with this product!

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

With Isopure Unflavored, the possibilities are endless!

Jul 10, 2025
emanuelv1_9501
4 out of 5 stars review

Nutritional Profile

[This review was collected as part of a promotion.] One of the standout features of Isopure’s Zero Carb protein is its impressive nutritional profile. With zero carbs and zero sugars, it's an excellent option for anyone following a low-carb or ketogenic diet. Each serving typically contains 25 grams of protein, providing a substantial boost to my daily intake. The inclusion of vitamins and minerals is a brilliant touch, aiding in overall health without unnecessary fillers. This makes it not just a protein supplement but a holistic addition to my diet.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Jul 26, 2025
SarahB
5 out of 5 stars review

Great Addition to Low Carb/Carb Friendly

[This review was collected as part of a promotion.] This whey protein is unflavored and was a SUPER tasty snack mixed into these GF Banana Nut CC Muffins for some extra protein! Texture is a little sticky so def recommend spraying/lining the muffin tin. This seems to be a great addition to breakfast type items like any low carb or carb friendly oatmeal or pancake. Would love to try it mixed into my AM berries & greens smoothie sometime too. There are lots of low carb recipes on the website - 1 scoop has 25g and I used 3/4 c Isopure: 2 eggs in the muffins. It seems to be pretty clean and follows the

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

Looks like someone is ready for the Food Network channel! 😍

Jul 15, 2025
biancapachec0_3447
5 out of 5 stars review

A clean, versatile protein that mixes well and sup

[This review was collected as part of a promotion.] I’ve been using Isopure Zero Carb Unflavored protein for a few weeks now and it’s been a solid addition to my daily routine. I love that it’s truly unflavored, which makes it super versatile, I can mix it into smoothies, oatmeal, or even soups without altering the taste. The mixability is great; no clumps when shaken properly. It’s also gentle on my stomach and doesn’t cause bloating, which has been an issue with other brands. I really appreciate the zero carb content, especially since I’m watching my macros closely. The packaging is sturdy and keeps the powder fresh.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Jul 17, 2025
lacentella_3847
5 out of 5 stars review

YES TO ISOPURE!

[This review was collected as part of a promotion.] I first tried Isopure many years ago when my personal trainer told me it was the best protein powder in the market. I use to use the chocolate & vanilla one which tastes soooo good. This is my first time using a flavorless one & you can mix it into anything. It is too thick to be stirred with just a spoon you have to use a blender for it or else it will clump up in your drinks. I showed different angles in the picture so you can see that the manufacturer doesn't fill the container up to the top it's half empty when you receive it. I've used it twice and I realized it came half empty. But I still love Isopure but the manufacturer needs to do better and stop ripping people off. Thank you Influenster for letting me be apart of this program ❤️❤️

Review from influenster.com
Helpful?70GIW7NABGMB16150765564
reply from Isopure

We follow applicable laws and regulations related to the manufacture and labeling of our products. The products are filled by weight, not volume. We have Standard Operating Procedures that control how the bottle is filled and subsequently weighed to meet our manufacturing specifications. Like flour or powdered sugar, Isopure powder products can settle in the container during shipping or over time. There also needs to be room for scoopers and desiccant packets in the container.

Oct 15, 2025
Rick A
5 out of 5 stars review

Protein stacker

I add this to my everyday protein intake, gives me an extra stack of protein

Review from ExpertVoice.com
Helpful?70GIW7NABGMB16150765564
Oct 6, 2025
Kelvin F
5 out of 5 stars review

Versatility in Protein

I love using unflavored protein and this is even better since it is super clean.

Review from ExpertVoice.com
Helpful?70GIW7NABGMB16150765564
Jul 22, 2025
kristianam5_6382
5 out of 5 stars review

My go to protein powder

[This review was collected as part of a promotion.] This is now my go to protein. I put a scoop into my coffee every morning and it dissolves easily and has absolutely no taste. It helps me feel fuller longer.

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

Glad to be the go to protein!