Kirkland Signature Whey Protein Creamy Chocolate

Common questions

Is Kirkland Signature Whey Protein Creamy Chocolate healthy?

Kirkland Signature Whey Protein Creamy Chocolate scores 62/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This whey protein product contains high-quality protein sources like whey protein isolate and hydrolysate, which are beneficial for muscle repair and growth.

How processed is Kirkland Signature Whey Protein Creamy Chocolate?

Kirkland Signature Whey Protein Creamy Chocolate is NOVA Group 2: Processed Culinary Ingredients.

Which ingredients drive Kirkland Signature Whey Protein Creamy Chocolate's score?

In Scout's ingredient-by-ingredient analysis, Whey Protein Isolate, Whey Protein Concentrate, Whey Protein Hydrolysate count in its favor; Organic High Oleic Sunflower Oil, Organic Sunflower Lecithin, Natural Flavors are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Kirkland Signature Whey Protein Creamy Chocolate

Kirkland Signature
62 Fair

Analysis updated August 2026 · How Scout scores

$42.99 · 20 pack · $1.01 / ounce
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Near you

Kirkland Signature is carried at Costco stores. Find one within 25 miles.

At a glance

Beneficial ingredients 5
Harmful ingredients 5
Owned by Costco
Category Protein Powders
Summary

This whey protein product contains high-quality protein sources like whey protein isolate and hydrolysate, which are beneficial for muscle repair and growth. However, it includes artificial sweeteners such as sucralose and acesulfame potassium, which are highly processed and may have potential health concerns. Additionally, the presence of natural flavors and multiple additives contributes to a moderate level of processing, impacting the overall score.

Key ingredients 16

Whey Protein Isolate
Very Good

Whey Protein Isolate is a high-quality protein source with a complete amino acid profile, making it ideal for muscle repair and growth. It is highly processed to remove most fats and lactose, resulting in a pure protein product. This form of protein is rapidly absorbed, enhancing its effectiveness post-exercise.

Benefits

Provides essential amino acids necessary for muscle recovery and growth.

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Whey Protein Hydrolysate
Very Good

Whey Protein Hydrolysate is a pre-digested form of whey protein that is rapidly absorbed, making it ideal for post-workout recovery. It is processed to break down proteins into smaller peptides, enhancing digestibility and absorption. This form is particularly beneficial for individuals with digestive sensitivities.

Benefits

Enhances muscle recovery and growth due to rapid absorption and high bioavailability.

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Whey Protein Concentrate
Good

Whey Protein Concentrate is a less processed form of whey protein that retains more nutrients like fats and carbohydrates. It offers a balanced protein source with additional nutritional benefits. This form is beneficial for those who can tolerate lactose and seek a more nutrient-dense protein option.

Risks

May contain lactose, which can be problematic for individuals with lactose intolerance.

Benefits

Offers a rich source of protein along with beneficial nutrients like immunoglobulins and lactoferrin.

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Oat Bran Fiber
Good

Oat Bran Fiber is a natural source of dietary fiber that supports digestive health and helps maintain healthy cholesterol levels. It is minimally processed and retains its nutritional benefits. This ingredient can aid in satiety and improve gut health.

Benefits

Supports heart health and digestive function due to its high fiber content.

Sea Salt
Good

Beneficial ingredient — whole-food or functional value in this product class.

Risks

Excessive consumption may lead to increased blood pressure.

Benefits

Provides essential sodium and trace minerals for electrolyte balance.

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Alkalized Cocoa
Neutral

Alkalized Cocoa is processed to reduce acidity and improve flavor, which can reduce some of its antioxidant properties. It is used primarily for flavoring in chocolate products. While it provides a rich chocolate taste, the alkalization process may diminish some health benefits.

Benefits

Provides a rich chocolate flavor and some antioxidants, though less than non-alkalized cocoa.

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Organic Acacia
Neutral

Organic Acacia is a natural gum used as a stabilizer and fiber source. It is minimally processed and considered safe for consumption. It can aid in digestive health by acting as a prebiotic fiber.

Benefits

May support digestive health by promoting beneficial gut bacteria.

Organic Rice Dextrin
Neutral

Organic Rice Dextrin is a carbohydrate used as a filler and stabilizer. It is derived from rice and is minimally processed. While it provides energy, it adds no significant nutritional benefits.

Benefits

Provides a source of carbohydrates for energy.

Organic Rosemary Extract
Neutral

Organic Rosemary Extract is used as a natural preservative due to its antioxidant properties. It is minimally processed and considered safe. This ingredient helps extend shelf life without synthetic additives.

Benefits

Acts as a natural preservative with antioxidant benefits.

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Organic Guar Gum
Neutral

Organic Guar Gum is a natural thickening agent derived from guar beans. It is used to improve texture and stability in food products. While it is generally safe, excessive consumption may cause digestive issues.

Risks

Excessive intake may lead to digestive discomfort.

Benefits

Improves texture and stability in food products.

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Xanthan Gum
Neutral

Xanthan Gum is a polysaccharide used as a thickening and stabilizing agent. It is produced through fermentation and is generally considered safe. It improves texture and consistency in food products.

Risks

Excessive consumption may lead to digestive discomfort.

Benefits

Enhances texture and stability in food products.

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Organic Sunflower Lecithin
Bad

Organic Sunflower Lecithin is used as an emulsifier to improve texture and mixability. While it is a more natural alternative to soy lecithin, it is still a processed additive. It is generally considered safe but adds no significant nutritional value.

Risks

May cause mild digestive upset in sensitive individuals.

Benefits

Improves product texture and mixability without significant health benefits.

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Natural Flavors
Bad

Natural Flavors are used to enhance taste but are a catch-all term that can include various additives. They are highly processed and lack transparency regarding their composition. This ingredient adds no nutritional value and may contain undisclosed additives.

Risks

Potential for undisclosed additives and allergens.

Benefits

Enhances flavor without providing nutritional benefits.

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Sucralose
Bad

Sucralose is an artificial sweetener used to provide sweetness without calories. It is highly processed and may affect gut health negatively. While it is considered safe by regulatory agencies, its long-term health effects are still debated.

Risks

May alter gut microbiota and cause digestive issues in some individuals.

Benefits

Provides sweetness without adding calories.

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Acesulfame Potassium
Bad

Acesulfame Potassium is an artificial sweetener used to enhance sweetness without calories. It is highly processed and may have potential health concerns. While approved for use, its long-term safety is questioned by some health experts.

Risks

Potential concerns about long-term health effects and impact on gut health.

Benefits

Provides sweetness without contributing to caloric intake.

See more about Acesulfame Potassium →
Organic High Oleic Sunflower Oil
Very Bad

Heavily flagged ingredient class under Scout's doctrine.

Benefits

Rich in monounsaturated fats that support heart health and provide anti-inflammatory properties.

See more about Organic High Oleic Sunflower Oil →

Processing

Group 2 · Culinary ingredients

Processed Culinary Ingredients

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