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Isopure Lactose-Free Whey Protein Isolate Powder, Creamy Vanilla

Last updated: February 8, 2023


Don't worry about overstepping your net carb goals when you use this whey protein isolate powder, as it's a completely carb-free product to help you boost your protein macros. The additional nutrients and electrolytes in this powder add an even stronger benefit as it helps round your diet out in areas that your food intake might lack.

Isopure Lactose-Free Whey Protein Isolate Powder, Creamy Vanilla
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We looked at the top Whey Protein Isolate Powders and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Whey Protein Isolate Powder you should buy.

Isopure Protein Powder, Creamy Vanilla Whey Isolate with Vitamin C & Zinc for Immune Support, 25g Protein, Zero Carb & Keto...

Isopure Protein Powder, Creamy Vanilla Whey Isolate with Vitamin C & Zinc for Immune Support, 25g Protein, Zero Carb & Keto...
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$74.99

Product Details

Key Takeaway: This whey protein isolate powder is a keto-friendly protein isolate that comes in many flavors.

In our analysis of 76 expert reviews, the Isopure Lactose-Free Whey Protein Isolate Powder, Creamy Vanilla placed 9th when we looked at the top 12 products in the category. For the full ranking, see below.

From The Manufacturer

Pack in powerfully pure protein, without packing on the carbs. Our 100% whey protein isolate powders amp you up, without any unwanted weight. Just pick your level: zero carb or low-carb (which also has zero sugar), both with 25 grams of protein per scoop. It’s 100% whey protein isolate loaded with vitamins, minerals and nutrients to keep you going strong—and always without gluten, lactose, or any impurities. Made with our complete microfiltration process to be the only completely clear milk protein when dissolved in water. Available in a range of delicious flavors to mix up some seriously delicious and dynamic recipes.When to consume – post workout or other strenuous activity. First thing in the morning. Between meals.

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Expert Reviews


What reviewers liked

Effective. As the name suggests, a whey protein powder with no carbohydrates.
- BestReviews
Isopure has really come up with a remarkable protein that’s jam packed with vitamins and minerals and can fit into just about any diet. For a whey isolate, that’s inexpensive, and the more you order the cheaper it gets: if you get a big 7.5lb tub it drops to about 3.5 cents a scoop. This is a big upside of the fact that Isopure is part of such a big company: it’s inexpensive, particularly given all the extra vitamins and minerals.
- Bar Bend
Isopure not only mixes well with water and cold liquids it also mixes well with warm or hot items. This is almost unheard of in the world of protein powders. Once mixed it will be smooth and free of chunks. You will find it easy to swallow and overall it has a great mouthfeel.
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Each serving contains just 100 calories, so you can mix it with water or in a smoothie and you’ll still have a low-cal snack or meal replacement. The creamy vanilla flavor tastes great and mixes well with anything, while flavors like cookies and cream or mint chocolate chip will satisfy your sweet tooth if you have a craving.
- Verywell Fit
There are no carbs in it. Helps with muscle regeneration. 100% recommended to lactose-intolerant people. It has vitamins and minerals. Its preparation is simple. It has glutamine, which helps the muscle to a fast recovery. It has a quick absorption.
- The Diet Authority
Isopure Zero Carb contains 50 grams of protein in every serving! That’s twice the standard amount! This product also contains only 10 mg of cholesterol, which is one of the lowest I have seen! Almost no fat.
- The Supplement Reviews
Isopure was the first protein powder to have 50 grams of 100% pure ion exchange whey protein isolate. It gets absorbed quicker and refuels and repairs tired muscles in an instant. All with little to no lactose, preservatives, fat, calories or carbs. Isopure’s whey protein isolate has a wide variety of flavors that are low carb including: Creamy Vanilla, Cookies & Cream, Toasted Coconut (Low Carb), Mint Chocolate Chip, Espresso, Strawberries & Cream, Dutch Chocolate (Low Carb), and many more.
- The Low Carb Diet
50 grams of protein per serving (this is one of the highest on the market). It has many flavor options. Overall, it is a fine tasting protein powder. Many customers love it. It has no carbs. It has among the very highest protein amounts per serving of any protein powder on the market today.
- Supplement Review Pal

What reviewers didn't like

Doesn't taste as good as other brands.
- BestReviews
There’s no zero carb chocolate. Some artificial ingredients and the unusual flavor profile. Made in a facility with soy, egg, wheat, peanuts, tree nuts. Not that tasty.
- Bar Bend
Some flavors synthetic tasting. SOme flavors leave chalky feel.
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According to some, the vanilla flavor is too sweet. With excess use, kidney stones can be developed. Dehydration can occur if you don’t drink enough water. You need to have a regular workout routine or you may gain weight.
- The Diet Authority
It contains a rather high sodium count, which can potentially cause fat gain, and it uses whey protein isolate instead of the far superior: whey protein hydrolysate. I would personally not take Isopure Zero Carb.
- The Supplement Reviews
One distinguishing factor of the Nature’s Best company is that they do not have NSF Certified for Sport registered GMP certification. This is highly desirable and an indicator of high product quality, but they do not have this certification.”GMP” stands for “good manufacturing practices” and is sometimes is represented as “cGMP” or “current good manufacturing practices.”
- Supplement Review Pal

Whey Protein Isolate Powder Rankings

Nutricost Gluten-Free Whey Protein Isolate Powder, Milk Chocolate

1. Nutricost Gluten-Free Whey Protein Isolate Powder, Milk Chocolate
Dymatize ISO100 Scientifically Proven Whey Protein Isolate Powder, Chocolate Peanut Butter

2. Dymatize ISO100 Scientifically Proven Whey Protein Isolate Powder, Chocolate Peanut Butter
Ascent Stevia Sweetened Whey Protein Isolate Powder, Unflavored

3. Ascent Stevia Sweetened Whey Protein Isolate Powder, Unflavored
Garden Of Life Certified Grass Fed Whey Protein Isolate Powder, Chocolate

4. Garden Of Life Certified Grass Fed Whey Protein Isolate Powder, Chocolate
Animal Fast Absorbing Whey Protein Isolate Powder, Vanilla

5. Animal Fast Absorbing Whey Protein Isolate Powder, Vanilla
Isopure GMO-Free Whey Protein Isolate Powder, Unflavored

6. Isopure GMO-Free Whey Protein Isolate Powder, Unflavored
NOW Sports Soy-Free Whey Protein Isolate Powder, Unflavored

7. NOW Sports Soy-Free Whey Protein Isolate Powder, Unflavored
Bluebonnet Strengthening Whey Protein Isolate Powder, French Vanilla

8. Bluebonnet Strengthening Whey Protein Isolate Powder, French Vanilla
Isopure Lactose-Free Whey Protein Isolate Powder, Creamy Vanilla

9. Isopure Lactose-Free Whey Protein Isolate Powder, Creamy Vanilla
Muscle Feast Vegetarian Whey Protein Isolate Powder, Chocolate

10. Muscle Feast Vegetarian Whey Protein Isolate Powder, Chocolate
Scivation XTEND NSF-Tested Keto Whey Protein Isolate Powder, Chocolate Lava Cake

11. Scivation XTEND NSF-Tested Keto Whey Protein Isolate Powder, Chocolate Lava Cake
Opportuniteas Easy Digest Whey Protein Isolate Powder, Unflavored

12. Opportuniteas Easy Digest Whey Protein Isolate Powder, Unflavored
View our Whey Protein Isolate Powder buying guide for in-depth advice and recommendations.

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