Onnit vs Life Extension: Supplements Comparison (2026)
An independent side-by-side comparison of Onnit and Life Extension 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.
Life Extension leads overall — 17% cited vs Onnit 3% across 60 probes.
ChatGPT
Onnit
1 / 6 probes
17%
AverageLife Extension
1 / 6 probes
17%
AveragePerplexity
Onnit
0 / 6 probes
0%
InvisibleLife Extension
0 / 6 probes
0%
InvisibleGemini
Onnit
0 / 6 probes
0%
InvisibleLife Extension
0 / 6 probes
0%
InvisibleClaude
Onnit
0 / 6 probes
0%
InvisibleLife ExtensionLeads
3 / 6 probes
50%
ExcellentCopilot
Onnit
0 / 6 probes
0%
InvisibleLife ExtensionLeads
1 / 6 probes
17%
AverageScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Highlights
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
Life Extension
Product data is being 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.
When to choose Life Extension
Choose Life Extension if its strengths align with what matters most for your purchase. Full guidance populates as Life Extension's product data is indexed.