Newsletter Insights — independent newsletter & sponsorship data across 40K+ newsletters
Browse all →Battle-hardened veteran of the war against stupid. I expose health and nutrition myths, COVID corruption, climate change alarmism, and more.
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 includedAnthony Colpo’s Substack's metrics, benchmarks, and sponsor data in one document
5K
Top 25% in Health
substack
Health
~2x per weekOn pause
Last published Apr 16, 2026
$8/mo
Category avg: $6/mo
806
newsletters in Health
Top 25% in Health
out of 806 newslettersPublishing Frequency
~2x per week
Inactive — last post 3 months ago