Sponsor comparison
Livelong vs Slipstream
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Health & Sports
Health & Fitness
Smartr
15K subscribers
The B.rad Podcast
100K subscribers
15K subs
100K subs
Join 74,000 readers who wake up with Livelong, the fastest growing Longevity new…
Promotes the Slipstream Swim Machine, a battery-powered swim current generator, …
November 2025
October 2026
Ad copy examples
Livelong
Join 74,000 readers who wake up with Livelong, the fastest growing Longevity newsletter that empowers you with information to feel better, and live longer. Get actionable information based on the latest health studies from leading research institutions, medical professionals, and longevity scientists. Join the medical professionals, early adopters, and health enthusiasts who already read Livelong. 100% Free. Join now.
Slipstream
Promotes the Slipstream Swim Machine, a battery-powered swim current generator, with $250 off using code BRAD.
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