Newsletter Insights — independent newsletter & sponsorship data across 32K+ newsletters
Browse all →Naturopathic doctor who believes germs are good, always.
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 includedDr. Marizelle's metrics, benchmarks, and sponsor data in one document
2K
Above Median in Health
substack
Health
1.80%· ~36/post
(comments + likes) / subscribers
vs 0.00% category avg
~2x per week
2.0 posts/week avg
vs 1.0/week category avg
$10/mo
Category avg: $6/mo
826
newsletters in Health
Above Median in Health
out of 826 newslettersPublishing Frequency
~2x per week
Last published Mar 29, 2026
2.0 posts/week avg