Thorne

Whey Protein Isolate

NSF Certified for Sport whey isolate with digestive enzymes.

Research last verified August 19, 2026

84/ 100

Ethos Score

84/ 100

Score is computed from explicit research inputs using the Ethos Score V1 methodology.

The Takeaway

NSF Certified for Sport whey isolate from a clinical supplement brand. Clean formula, independently certified.

Best For

  • • Drug-tested athletes and sport certification seekers
  • • People who prefer clinical supplement brands

Watch Out For

  • • Premium pricing; no grass-fed sourcing distinction

Why this score

Score covers 85% of the full 100-point weight.

Evidence & Dose
87/ 100

Whey protein isolate. Solid evidence base for protein synthesis and recovery.

Formula Quality
85/ 100

Whey protein isolate. Clean label, minimal additives.

Testing & Transparency
90/ 100

NSF Certified for Sport.

Toxins & Contaminants
Pending

No product-specific contaminant data.

Real Cost / Value
58/ 100

Premium pricing for NSF-certified whey isolate.


Real Cost

One-time purchase

One-time purchase

$65.00

Cost per serving: $2.17

About $65.00 for 30 days · $790.83 per year

No verified official purchase link is available


Formula

Key Active Ingredients

  • Whey Protein Isolate

    isolate

  • Bromelain and Papain Blend

  • Rebaudioside A (from stevia)

  • Xanthan Gum

Testing & Transparency

Independent certification

No public certification verification is listed

Public test source

No product-specific test source is linked

Certifications

NSF Certified for Sport

NSF Certified for Sport. A public certification lookup link was not retained in the supplied research, so this is not presented as independently verified.

Toxin & Forever Chemical Report

This section shows product-specific contaminant and PFAS (forever chemical) test results where available. “No Product-Specific Data Found” is not a purity pass — it means no public test result was located for this exact product. Organic, non-GMO, and similar certifications are agricultural standards and do not verify contaminant levels.

Heavy Metals (Lead, Cadmium, Arsenic, Mercury)
No Product-Specific Data Found
PFAS / Forever Chemicals
No Product-Specific Data Found

No product-specific contaminant data.


Evidence

No structured expert findings are available for this product yet. The research summary in the score dimensions above reflects the current state of our analysis.

Sources

No source links are published for this product yet.