BioStacks
Best for
Ingredients (5)
Whey Protein Isolate, Microfiltered, Ultrafiltered
100%Dose
29.1 g
Target
20–30 g
Form
Premium
Potassium
100%Dose
165 mg
Target
99–500 mg
Form
—
Phosphorus
88%Dose
88 mg
Target
100–500 mg
Form
—
Calcium
81%Dose
161 mg
Target
200–600 mg
Form
Not listed
Magnesium
38 mgTrace amount — not scored
Other Ingredients (5)
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.
Monk Fruit ExtractSweetener
Zero-calorie natural sweetener derived from the monk fruit (Siraitia grosvenorii)
CocoaFlavor
Common food ingredient used for chocolate flavoring in supplements
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
Xanthan GumThickener
Natural thickener from fermented carbohydrates
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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.