BioStacks
Nutricost

Soy Protein Isolate (Vanilla Flavored)

Powder · 1 Scoop (2 Tbsp.) (17 G) · 27 servings · $0.81/serving

iHerbAmazon

Best for

Muscle

Ingredients (4)

Sodium

77%

Dose

230 mg

Target

300–1000 mg

Form

—

Soy Protein

50%

Dose

10 g

Target

20–30 g

Form

—

Iron

0.9 mg

Trace amount — not scored

Calcium

10 mg

Trace amount — not scored

Other Ingredients (3)

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.

Sea SaltFlavor

Basic food-grade salt used for taste in supplements

Stevia ExtractSweetener

Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana

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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.

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