Life Extension vs Seed: Supplements Comparison (2026)
An independent side-by-side comparison of Life Extension and Seed 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.
Too early to call — probes still building data.
ChatGPT
Life Extension
Tracking…
No data yet
Seed
Tracking…
No data yet
Perplexity
Life ExtensionLeads
1 / 1 probes
100%
ExcellentSeed
0 / 1 probes
0%
InvisibleGemini
Life Extension
Tracking…
No data yet
Seed
Tracking…
No data yet
Claude
Life Extension
Tracking…
No data yet
Seed
Tracking…
No data yet
Copilot
Life Extension
Tracking…
No data yet
Seed
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Highlights
Life Extension
Product data is being indexed.
Seed
Product data is being 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.
When to choose Seed
Choose Seed if its strengths align with what matters most for your purchase. Full guidance populates as Seed's product data is indexed.