Onnit vs Klean Athlete: Supplements Comparison (2026)

An independent side-by-side comparison of Onnit and Klean Athlete for supplements buyers — pricing, features, integrations, 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
OnnitLeads
1 / 6 probes
17%
Average
Klean Athlete
0 / 6 probes
0%
Invisible
Perplexity
Onnit
0 / 6 probes
0%
Invisible
Klean Athlete
0 / 6 probes
0%
Invisible
Gemini
Onnit
0 / 6 probes
0%
Invisible
Klean Athlete
0 / 6 probes
0%
Invisible
Claude
Onnit
0 / 6 probes
0%
Invisible
Klean Athlete
0 / 6 probes
0%
Invisible
Copilot
Onnit
0 / 6 probes
0%
Invisible
Klean Athlete
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Onnit
Starting price
$79.95
Free tier
onnit.com
Klean Athlete
Starting price
Free tier
kleanathlete.com

Key Features

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
Klean Athlete

Feature data is being indexed.

When to choose Onnit

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

When to choose Klean Athlete

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

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