Newsletter Insights — advertising rates and audience data for 33K+ newsletters
Browse all →Advertisers are viewing this page. Claim it
Track COVID Intel - by William Makis (McGill Medicine)'s growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses Substack subdomain (makisw.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
Cutting Edge Cancer Research, Repurposed Drugs in Cancer, Ivermectin, Mebendazole, Fenbendazole. Content is for informational purposes only. Entirely donation based. None of the information constitutes medical advice (see your doctor as needed).
Data updated Yesterday
Avg Comments
31.7
Avg Likes
149.5
Engagement Rate
0.13%· ~181 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 142K+ subscribers
Quality Score
Engagement vs Health
0.13% engagement rate
Score Breakdown
Engagement Score
| Subscriber-only |
| Public |
| Public |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Public |
8.4K paid
Track revenue changes over time
Start tracking — freeTrack CPM rates as they change
Start tracking — freeSubscriber count is a platform estimate — actual growth not reflected in chart
vs 164 newsletters in Health
142K places you in the top 10% of newsletters in this category.
Engagement Rate
0.13%
median: 0.00%
Posts per Week
15.8
median: 1.0
Publishing Consistency
97/100
median: 66/100
Subscribers
142K
median: 1K
Here's what we know about this newsletter's activity:
Publishing Pace
Daily
Very Consistent
Category Rank
#8 of 830
in Health
Engagement Trend
Building
too early to measure
🌻 A Year of Mental Health
58K subs
Mental Health Movement by Dr. Jake Goodman
46K subs
The Glow Wellness
33K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of COVID Intel - by William Makis (McGill Medicine) vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including WHOOP, Brooklinen, Shannon Watts next week + 6 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Daily
Last published May 20, 2026
15.8 posts/week avg
Health Pricing
$6/mo median
Above average(+25%)
Monetization Readiness
Already monetizing
100% of similar-size Health newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free142.0K subscribers and 0.13% engagement — past the threshold where Health newsletters typically attract sponsors.
Consistent Publisher
Publishing consistency (97/100) is well above the Health median (66/100).