BioStacks
Optimum Nutrition

Gold Standard 100% Plant Protein Powder (Creamy Vanilla)

Powder · 1 Scoop (37 G) · 20 servings · $1.66/serving

58 / 100Average

Score Breakdown

Formulation
67
Safety
87
Final score
58/100

Ingredients (3)

Sodium

100%

Dose

480 mg

Target

300–1000 mg

Form

Iron

48%

Dose

7.2 mg

Target

15–45 mg

Form

Not listed

Calcium

50 mg

Trace amount — not scored

Other Ingredients (14)

Organic Rice SyrupSweetener

High-glycemic glucose syrup that spikes blood sugar. Rice-derived syrups have been documented to carry inorganic arsenic (Jackson et al. 2012), a known carcinogen. 'Organic' does not remove arsenic.

Coconut OilCarrier

Edible oil from coconut used as a release/anti-sticking agent and carrier in gummies and soft formats

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.

Pea Protein Isolate (base)Food

Pea protein isolate used as a protein base or carrier.

Guar GumThickener

Natural thickener derived from guar beans

Gum AcaciaBinder

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

Stevia ExtractSweetener

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

Rebaudioside MSweetener

High-purity steviol glycoside (Reb M) used as a natural high-intensity sweetener with minimal aftertaste

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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.