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 31-40 of 116 reviews
Aug 18, 2025
milletmillet_4120
5 out of 5 stars review

Like this protein drink powder

[This review was collected as part of a promotion.] I like this ISOPURE zero carb protein: High-Quality Protein: 25g of pure whey protein isolate per serving, ideal for muscle recovery and growth. Zero/Low Carb: Perfect for keto or low-carb diets, with no added sugar and minimal carbs. Clean & Digestible: Lactose-free, gluten-free, and mixes well with liquids. I enjoy it and will definitely recommend it to my friends and family.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Aug 15, 2025
raineyd579d_6655
5 out of 5 stars review

Loved it!

[This review was collected as part of a promotion.] I was really excited to try this protein powder and it didn’t disappoint. I love how I can use it so many different things. I was able to mix it into shakes, add it to yogurt, and even bake with it. I did find that mixing it by hand was more difficult and I had to use a blender to get it all mixed in evenly. But the best part was it didn’t taste like protein powder.

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

Isopure Unflavored is a wonderful addition to any shakes or baking recipes!

Aug 25, 2025
from1mother2another_1993
5 out of 5 stars review

Undetectable with no smell!

[This review was collected as part of a promotion.] This is great to add to anything from smoothies to yogurt to pudding to hit my protein goal. Has no flavor so basically undetectable and no smell. Comes in a large container so you gets more bang for your bucks!

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Aug 22, 2025
thuyn32_8866
4 out of 5 stars review

Good to try.

[This review was collected as part of a promotion.] I have never tried a protein powder drink before so thank you Influenster and Isopure for the chance. I think it's very easy to mix, the taste is not so bad at all and the plus for me is the zero carb.

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

There's a first for everything and I'm glad your first experience with Isopure Unflavored was great!

Aug 26, 2025
flokismom_6868
5 out of 5 stars review

A fantastic way to hit protein goals!

[This review was collected as part of a promotion.] As a vegetarian, I’m always looking for ways to sneak a little extra protein into my diet. It feels like I’ve tried every protein on the market and well I do love some, I struggle with drinking chunky, chalky, artificial tasting protein shakes. You know the ones. Well, Isopure has entered the chat. This unflavored, find protein powder is perfect to add to smoothies and recipes I like to add 25g of protein per serving! So far, I’ve only tried this in my smoothies, but I’m looking forward to trying some protein, cookies, brownies, and maybe even adding it to a cheesy recipe to see if I can add a little more nutrition to some comfort foods. Overall, this protein is versatile and blends very well. Just make sure you either use a blender, blender bottle, or add it to warmer liquid before trying to put it in anything else

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Jul 30, 2025
Anonymous
3 out of 5 stars review

Protein

[This review was collected as part of a promotion.] I have tried a few different kinds of protein and this one isn’t my favorite. For something that says no flavor, I still taste it, even when mixing it with my orange juice, as shown. It’s a VERY large scoop of protein as the recommended dose, and it makes my juice very foamy. I’m sure it’s effective and I do like the packaging, but I don’t think this brand is for me.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Aug 23, 2025
sydnij1_7628
4 out of 5 stars review

Great protein product!

[This review was collected as part of a promotion.] I’ve been using Isopure Unflavored Whey Protein Isolate, and honestly, it’s one of the cleanest and most versatile protein powders I’ve tried. The best part is how neutral it tastes—I can mix it into smoothies, oatmeal, coffee, soups, or even baked goods without it changing the flavor. It is a little chalky but nothing super crazy. Overall, Isopure Unflavored is my go-to protein when I want something clean, effective, and easy to use every day.

Review from Glanbia Performance Nutrition, Inc.
Helpful?70GIW7NABGMB16150765564
Aug 25, 2025
krisseh_5374
4 out of 5 stars review

Blends fluffy!

[This review was collected as part of a promotion.] I like the quality of the protein. It isn't gritty, but it does blend fluffy since it's purer. That's not my favorite as it makes me gag, but it's the risk of a good protein powder. I like the fact it's multi use - baking, smoothies etc. It does have an animal like taste you can still taste in some drinks but so best for something that would mask that. Good quality though, and if you need the specialty of what it offers I'd recommend.

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

The specialist...we'll take it!

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 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!