BioStacks
Kirkland Signature

Whey Protein (Creamy Chocolate)

1 Scoop (35g) · 70 servings

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What it does

A protein formula with Whey Protein.

Whey Protein

Form not confirmedGrade —

Label lists Whey Protein (25 g). Benefit information is limited.

Muscle
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Ingredients (4)

IngredientDoseTarget/referenceForm

Calcium

130 mg

Trace amount — not scored

Iron

1.1 mg

Trace amount — not scored

Nutrition

Calories, macros & sodium.

  • Sodium170 mg
  • Dietary Fiber1 g

Other ingredients

SucraloseSweetener

Dose context matters. As a trace excipient in a tablet coating or capsule, the amount is minimal and not a meaningful concern. The evidence below applies to the gram-level intakes typical of sweetened protein powders, pre-workouts, and drink mixes: a 2022 human trial (Suez et al., Cell) showed sucralose disrupts gut bacteria and worsens blood sugar control in healthy adults, and a 2023 study (Schiffman et al.) found that sucralose-6-acetate — a compound formed when sucralose is digested — was genotoxic to human cells in vitro. It remains an artificial sweetener with no nutritional purpose.

Acesulfame PotassiumSweetener

Older NTP rodent studies (1980s, contested) reported lymphoma and leukemia at very high chronic doses; modern reviews (FDA 2003, EFSA 2000) concluded no cancer risk at human exposure levels but the issue is not fully resolved (Mishra 2020 review). Animal evidence suggests gut microbiome disruption (Bian 2017 — male mice on Ace-K showed altered microbiota and metabolic markers). Manufacturing uses methylene chloride, with potential residue concerns. Purely cosmetic additive — risk:benefit unfavorable for supplements.

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

Tapioca DextrinCarrier

A starch hydrolysate from tapioca used as a carrier and flow agent

CocoaFlavor

Common food ingredient used for chocolate flavoring in supplements

Guar GumThickener

Natural thickener derived from guar beans

Oat FiberFiber

Insoluble dietary fiber from the outer hull or bran of oat grains; primarily cellulose and hemicellulose, low in beta-glucan compared to oat bran soluble fraction

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

Lab testing

How to take it

With or without food

On the label

Mix 1 scoop in your beverage of choice.

Price check

$67.50

$0.96 / serving

$50$100

Pricier than 80% of 119 whey protein supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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