Newsletter Insights — independent newsletter & sponsorship data across 32K+ newsletters
Browse all →Enter your email and we'll connect you with this newsletter.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedGround Truths's metrics, benchmarks, and sponsor data in one document
205K
Top 10% in Health
substack
Health
0.12%· ~239/post
(comments + likes) / subscribers
vs 0.00% category avg
Weekly
0.9 posts/week avg
$8/mo
Category avg: $6/mo
828
newsletters in Health
Top 10% in Health
out of 828 newslettersPublishing Frequency
Weekly
Last published May 14, 2026
0.9 posts/week avg