Klean Athlete vs Onnit: Supplements Comparison (2026)

An independent side-by-side comparison of Klean Athlete and Onnit for supplements shoppers — pricing, hero products, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask supplements questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Onnit leads overall3% cited vs Klean Athlete 0% across 60 probes.
ChatGPT
Klean Athlete
0 / 6 probes
0%
Invisible
OnnitLeads
1 / 6 probes
17%
Average
Perplexity
Klean Athlete
0 / 6 probes
0%
Invisible
Onnit
0 / 6 probes
0%
Invisible
Gemini
Klean Athlete
0 / 6 probes
0%
Invisible
Onnit
0 / 6 probes
0%
Invisible
Claude
Klean Athlete
0 / 6 probes
0%
Invisible
Onnit
0 / 6 probes
0%
Invisible
Copilot
Klean Athlete
0 / 6 probes
0%
Invisible
Onnit
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Klean Athlete
Starting price
Free trial / sample
kleanathlete.com
Onnit
Starting price
$79.95
Free trial / sample
onnit.com

Key Highlights

Klean Athlete

Product data is being indexed.

Onnit
  • Cognitive support for memory
  • Improves focus & processing speed
  • Day & night nutrient packs
  • Promotes muscle recovery
  • Supports a healthy gut ecosystem
  • Unlocks endurance during workouts
  • Helps manage daily stress
  • Enhances mental performance

When to choose Klean Athlete

Choose Klean Athlete if its strengths align with what matters most for your purchase. Full guidance populates as Klean Athlete's product data is indexed.

When to choose Onnit

Choose Onnit if its strengths align with what matters most for your purchase. Full guidance populates as Onnit's product data is indexed.

More Supplements Comparisons