Klean Athlete vs Thorne: Supplements Comparison (2026)

An independent side-by-side comparison of Klean Athlete and Thorne for supplements buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each vendor is cited by major AI engines when real buyers ask supplements questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.

ChatGPT
Klean Athlete: tracking…
Thorne: tracking…
Perplexity
Klean Athlete: tracking…
Thorne: tracking…
Gemini
Klean Athlete: tracking…
Thorne: tracking…
Claude
Klean Athlete: tracking…
Thorne: tracking…

Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.

Pricing

Klean Athlete
Starting price
Free tier
kleanathlete.com
Thorne
Starting price
Free tier
thorne.com

Key Features

Klean Athlete

Feature data is being indexed.

Thorne

Feature data is being indexed.

When to choose Klean Athlete

Choose Klean Athlete if your team prioritizes its strengths over Thorne's. Full guidance populates as Klean Athlete's feature data is indexed.

When to choose Thorne

Choose Thorne if your team prioritizes its strengths over Klean Athlete's. Full guidance populates as Thorne's feature data is indexed.

More Supplements Comparisons