Kirkland Signature Whey Protein Creamy Chocolate
Kirkland SignatureAnalysis updated August 2026 · How Scout scores
Near you
Kirkland Signature is carried at Costco stores. Find one within 25 miles.
At a glance
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 IsolateVery 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.
Whey Protein HydrolysateVery 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.
Whey Protein ConcentrateGood
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.
Oat Bran FiberGood
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 SaltGood
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.
Alkalized CocoaNeutral
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.
Organic AcaciaNeutral
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 DextrinNeutral
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 ExtractNeutral
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.
Organic Guar GumNeutral
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.
Xanthan GumNeutral
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.
Organic Sunflower LecithinBad
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.
Natural FlavorsBad
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.
SucraloseBad
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.
Acesulfame PotassiumBad
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.
Organic High Oleic Sunflower OilVery Bad
Heavily flagged ingredient class under Scout's doctrine.
Benefits
Rich in monounsaturated fats that support heart health and provide anti-inflammatory properties.
Processing
Processed Culinary Ingredients
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