BioStacks
GNC

Pro Performance 100% Whey Protein Powder (Peanut Butter)

Powder · 1 Scoop (34.3g) · 25 servings · $1.60/serving

35 / 100Poor

Score Breakdown

Formulation
76
Safety
46
Final score
35/100

Ingredients (3)

2 scored · 1 not scored

Potassium190 mg

Within effective range

Sodium200 mg

67% of effective dose

Calcium130 mg

Trace amount — not scored

Other Ingredients

Fillers, coatings, and additives

3Safe1Caution2Avoid

CarboxymethylcelluloseThickener

Avoid

SucraloseSweetener

Avoid

Acesulfame PotassiumSweetener

Caution

Soy LecithinEmulsifier

Safe

Sea SaltFlavor

Safe

Xanthan GumThickener

Safe

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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.