BioStacks
Swanson

Grass-Fed, Certified rBGH-Free Whey Protein Powder Vanilla

Powder · 23 Grams · 18 servings · $1.45/serving

45 / 100Average

Best for

Score Breakdown

Formulation
54
Safety
84
Final score
45/100

Ingredients (19)

Potassium

100%

Dose

160 mg

Target

99–500 mg

Form

Whey Protein concentrate

100%

Dose

22 g

Target

20–30 g

Form

Standard

Biotin

3%

Dose

30 mcg

Target

1000–5000 mcg

Form

Phosphorus

60%

Dose

60 mg

Target

100–500 mg

Form

Pantothenic Acid

2%

Dose

1 mg

Target

50–500 mg

Form

Premium

Other Ingredients (5)

XylitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.

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.

Luo Han Guo ExtractSweetener

Monk fruit (luo han guo) extract used as a natural high-intensity sweetener

Sunflower LecithinEmulsifier

Non-GMO, non-allergenic emulsifier derived from sunflower seeds

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.