BioStacks
Best for
Ingredients (4)
Whey Protein concentrate
100%Dose
32.5 g
Target
20–30 g
Form
Standard
Calcium
144 mgTrace amount — not scored
Phosphorus
120 mgTrace amount — not scored
Magnesium
21 mgTrace amount — not scored
Nutrition
Calories, macros & sodium.
- Sodium140 mg
Other Ingredients (7)
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.
CocoaFlavor
Common food ingredient used for chocolate flavoring in supplements
Sea SaltFlavor
Basic food-grade salt used for taste in supplements
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
Xanthan GumThickener
Natural thickener from fermented carbohydrates
How to Take It
Take it anytime
Total daily protein is what matters — the post-workout "anabolic window" has not held up in controlled trials.
With or without food
On the label
Add 1 scoop with 6 ounce of cold water or your favorite beverage to a shaker cup or blender and mix for 25-30 seconds. Vary the amount of liquid to meet your desired taste and consistency. Using nonfat milk instead of water will give you a thicker, creamier shake.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$41.99
Near the median of 119 whey protein supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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.