Isopure Zero Carb Unflavored Whey Protein Isolate Powder, 1 lb, 16 Servings

Product Overview

Isopure Zero Carb Unflavored is a powdered dietary supplement based on whey protein isolate. This 1-pound configuration provides 25 grams of protein per serving and is formulated without added flavor. The product is intended for adults who want a concentrated source of dietary protein that can be mixed into beverages or incorporated into foods and recipes.

The documented serving size is approximately one scoop. Each serving provides 100 calories, no total fat, and no total carbohydrate. Whey protein isolate is the primary protein source. This form of whey undergoes filtration that removes much of the carbohydrate and fat naturally associated with dairy-based whey.

The unflavored format allows the powder to be combined with water, milk, smoothies, coffee, oatmeal, yogurt, sauces, and baked foods without adding a manufacturer-defined flavor profile. The product contains milk-derived ingredients and has also been documented with a soy allergen declaration. It is labeled gluten-free. Nutrition facts, ingredient statements, and packaging have changed across Isopure formulations over time, so the physical package should remain the primary source for dietary and allergen information.

Product Information

Product Identifier Summary

Model Number

The model number identifies this specific commercial Isopure configuration. It can help distinguish the 1-pound unflavored product from other package sizes and flavored formulas.

MPN

The Manufacturer Part Number is assigned for inventory, distribution, and product tracking. It is commonly used by manufacturers and suppliers when matching a specific packaged configuration.

UPC

The Universal Product Code is a standardized retail barcode. It helps identify a specific packaged product in inventory, point-of-sale, and product-catalog systems.

EAN

EAN identifiers are standardized barcodes used widely in international retail. A separate verified EAN for this exact configuration was not established.

GTIN

The Global Trade Item Number provides a standardized method of identifying products throughout retail and supply-chain systems. It can incorporate the product’s UPC within a globally formatted identifier.

ASIN

An ASIN identifies a particular marketplace catalog record. It is useful for distinguishing this product record from other sizes or formulations but is not a manufacturer-issued part number.

ISBN

ISBN identifiers apply to books and certain published materials. They do not apply to this dietary supplement.

Common Uses

Unflavored whey protein isolate is commonly incorporated into foods and beverages when additional dietary protein is desired. Its lack of added flavoring allows it to be used in both sweet and savory preparations.

• Protein shakes mixed with water or milk
• Smoothies and blended drinks
• Oatmeal and other breakfast foods
• Yogurt and similar foods
• Coffee and other beverages
• Baking recipes
• Sauces and selected cooked foods
• Post-exercise meals or beverages
• General dietary protein supplementation

Maintenance and Care

Keep the powder container tightly closed when it is not being used. Store it in a cool, dry location and protect the contents from excessive heat, humidity, and direct moisture.

A dry scoop should be used to avoid introducing moisture into the powder. Moisture can cause clumping and may affect product quality during storage.

The package should be inspected before use. Product with damaged packaging, a compromised seal, unusual odor, visible contamination, or other signs of deterioration should not be consumed.

Prepared beverages or foods containing the powder should be handled according to the storage requirements of the other ingredients. Mixtures containing perishable foods should not be treated as shelf-stable merely because protein powder has been added.

Safety Information

This product is a dietary protein supplement and is not intended to diagnose, treat, cure, or prevent disease. Individual dietary requirements differ according to age, health status, total food intake, activity level, and other factors.

• Contains milk-derived protein.
• Public product records also identify soy as an allergen for this configuration.
• Intended for adult use.
• Do not use if a known ingredient causes an allergic reaction.
• Follow the current package label when determining serving size and allergen information.
• Do not rely on protein supplements as the sole source of nutrition.
• People with medical conditions affecting protein intake should seek professional medical guidance before substantially changing dietary protein consumption.
• Pregnant or breastfeeding individuals should discuss dietary supplements with an appropriate healthcare professional when necessary.

Technical Specifications

Product History

Isopure has produced whey protein isolate supplements for several decades, with Zero Carb products forming a major part of the brand’s protein-powder range. The unflavored version was developed as a neutral alternative to flavored protein powders.

The product has appeared in multiple package sizes and packaging formats. Nutrition panels, package weights, added micronutrients, ingredient statements, and serving counts have also changed across formulations and production periods.

Current Isopure Unflavored Whey Protein Isolate products continue the same general concept of an unflavored whey-isolate powder. However, current formulations should not automatically be assumed to have the same ingredient list or nutrition profile as older packages carrying this specific product identifier.

Key Features

• Whey protein isolate as the protein source
• 25 grams of protein per documented serving
• No added flavor
• No added sweetener
• Zero carbohydrate per documented serving
• Zero total sugar per documented serving
• Zero total fat per documented serving
• Gluten-free formulation
• Powder format for mixing with foods or beverages
• One-pound package configuration

Package Contents

The package contains one pouch of Isopure Zero Carb Unflavored Whey Protein Isolate powder. A measuring scoop is supplied for portioning the powder.

• 1-pound pouch of protein powder
• Measuring scoop

Compatibility

The powder can be mixed with water, dairy milk, compatible plant-based beverages, smoothies, and other liquids. The taste and texture of the finished mixture depend substantially on the liquid and other ingredients used.

The manufacturer also documents the unflavored protein format for incorporation into foods such as oatmeal, yogurt, sauces, and baked recipes. Heating or baking changes how the protein behaves physically and can alter the texture of a recipe.

The product is dairy-derived and is therefore not compatible with vegan diets or people who must avoid milk protein. Its allergen information should also be considered by people avoiding soy.

Frequently Asked Questions

What is the model number for this Isopure product?

The verified model and manufacturer part number for this configuration are the same. The identifier can be used to distinguish this package from other Isopure sizes and formulations.

Is the powder actually flavorless?

Unflavored means that no specific flavor has been added. Whey protein itself can still contribute a mild dairy or protein taste, especially when mixed only with water.

Can it be mixed with water?

Yes. The powder can be shaken or blended with water. Other beverages can also be used when their ingredients fit the user’s dietary requirements.

Can it be mixed into coffee?

Unflavored whey isolate can be incorporated into coffee. Mixing technique and temperature affect texture, so gradual mixing may help limit clumping.

Can it be used in baking?

Yes. Unflavored Isopure is documented for use in baked recipes. Protein powder can change moisture absorption and texture, so it does not always substitute directly for flour or other dry ingredients.

Does the product contain dairy?

Yes. Whey is derived from milk, so the product is not suitable for people who must completely avoid milk proteins.

Is it vegan?

No. Whey protein is derived from dairy and is therefore an animal-derived ingredient.

Is this product gluten-free?

Yes. This product is identified as gluten-free.

Does unflavored mean unsweetened?

This configuration does not contain added sweetener. Unflavored and unsweetened are separate characteristics, so both should normally be checked on the current package label.

Can it be added to a smoothie?

Yes. Smoothies are one of the documented uses for unflavored whey protein isolate. Other smoothie ingredients determine the final flavor and nutritional profile.

Can it replace an entire meal?

Protein powder supplies concentrated protein but does not by itself provide the full range of nutrients normally found in a balanced meal. Other foods may be needed to supply carbohydrates, fats, fiber, vitamins, minerals, and sufficient energy.

How should the powder be mixed?

A shaker bottle or blender can be used. Mixing gradually and providing adequate liquid generally reduces dry pockets and clumping.

Why might an older package look different?

Isopure has revised packaging and formulations over time. The nutrition facts and ingredient statement printed on the physical package should be used when differences appear between production versions.

Does this product contain lactose?

Whey protein isolate undergoes filtration that removes most of the lactose found in less-refined dairy protein. People with severe dairy intolerance or milk allergy should not assume that filtration makes a dairy-derived product appropriate for them.

Is there a warranty?

Food and dietary supplement products are generally governed by quality, return, and consumer-support policies rather than conventional durable-product warranties. No separate verified manufacturer warranty term was established for this configuration.

Buying Considerations

Ingredient and allergen requirements should be reviewed before selecting any whey protein supplement. This product is derived from milk, and this configuration also carries a soy allergen declaration.

The unflavored format provides flexibility but does not necessarily mean the powder has no detectable taste. People who prefer a finished shake with a specific taste profile may need to add other ingredients or use a flavored formula.

Serving size and container yield should be checked against the current package. Isopure has sold unflavored whey isolate in several sizes and has changed some formulations over time, so serving counts cannot be transferred reliably between packages.

Nutrition goals should also be considered in the context of the complete diet. Adding protein powder to a beverage or recipe changes its protein and calorie content, while the other ingredients determine the remainder of its nutritional profile.

Customer Feedback Summary

This section summarizes recurring themes in publicly available customer feedback. These comments represent generalized consumer experiences and are not verified specifications, nutritional evidence, or medical findings.

Positive feedback commonly focuses on the ability to add protein to foods and drinks without introducing a strong artificial flavor or sweetener. Users frequently describe smoothies, coffee, yogurt, oatmeal, and recipes as practical ways to incorporate the powder.

Mixability receives generally favorable comments, particularly when a shaker or blender is used. Some users report that the powder blends smoothly, while others encounter clumping when it is stirred directly into certain hot or thick foods.

Taste is one of the more variable themes. Many users consider the flavor sufficiently neutral when combined with other ingredients, while others notice a distinct dairy, powdered-milk, or whey-like taste when the product is consumed with plain water.

Other reported limitations include package-to-package differences in smell, texture, or perceived flavor and occasional difficulty mixing the powder into hot liquids. These experiences can also be influenced by storage conditions, preparation method, liquid temperature, and formulation changes.

Related Products

Isopure produces several protein products that differ by flavor, carbohydrate content, added nutrients, protein type, and intended preparation style.

• Isopure Zero Carb Creamy Vanilla Whey Protein Isolate
• Isopure Zero Carb Dutch Chocolate Whey Protein Isolate
• Isopure Low Carb Whey Protein Isolate
• Isopure Unflavored Whey Protein Isolate in larger package sizes
• Isopure Clear Whey Protein products
• Isopure Infusions protein powder
• Isopure protein drink products
• Isopure Essentials protein powder

Last Updated

August 16, 2026