Life Extension vs NOW Foods: Supplements Comparison (2026)
An independent side-by-side comparison of Life Extension and NOW Foods 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.
Life Extension leads overall — 17% cited vs NOW Foods 13% across 60 probes.
ChatGPT
Life Extension
1 / 6 probes
17%
AverageNOW Foods
1 / 6 probes
17%
AveragePerplexity
Life Extension
0 / 6 probes
0%
InvisibleNOW Foods
0 / 6 probes
0%
InvisibleGemini
Life Extension
0 / 6 probes
0%
InvisibleNOW Foods
0 / 6 probes
0%
InvisibleClaude
Life Extension
3 / 6 probes
50%
ExcellentNOW Foods
3 / 6 probes
50%
ExcellentCopilot
Life ExtensionLeads
1 / 6 probes
17%
AverageNOW Foods
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Life Extension
Feature data is being indexed.
NOW Foods
Feature data is being indexed.
When to choose Life Extension
Choose Life Extension if your team prioritizes its strengths over NOW Foods's. Full guidance populates as Life Extension's feature data is indexed.
When to choose NOW Foods
Choose NOW Foods if your team prioritizes its strengths over Life Extension's. Full guidance populates as NOW Foods's feature data is indexed.