Inside Medicine
Investor Due Diligence Report
substackHealth
Merging what I'm seeing in the ER with rigorous deep-dives on the very latest medical and public health data. I want you to know what really matters.
87K
8.3K paid
+1.8%
+3.6%
net growth
Pricing
$5.99/mo
$59.99/yr annual option
$39K
8.3K paid subs
$39K/mo – $39K/mo(±0%)
7.0
97.5
0.12%
(comments + likes) / subscribers
~2x per week
2.1 posts/week
58/100
Variable (~3.9d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The Art of Enchantment, with Dr Sharon Blackie | 60K | +0.9% | $7/mo | substack |
| The Allison Bornstein Newsletter | 56K | N/A | $9/mo | substack |
| Brain Health Kitchen | 44K | N/A | $20/mo | substack |
| The Glow Wellness | 33K | N/A | $8/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 84K | $38,038.86 | — |
| Mar 2026 | 84K | $38,038.86 | ~0% |
| Apr 2026 | 84K | $38,038.86 | ~0% |
| May 2026 | 84K | $38,038.86 | ~0% |
| Jun 2026 | 84K | $38,038.86 | ~0% |
| Jul 2026 | 85K |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Audience Concentration
Some posts outperform significantly
Subscriber threshold
87K subscribers — above the 1.5K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 28 similar-size peers in Health have paid tiers
Pricing position
$5.99/mo vs $6/mo category median (901 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $6 | $60 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 39/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Growth Consistency | 74/100 | 15% |
| Publishing Consistency | 40/100 | 10% |
| Philippa Perry | 28K | N/A | $4/mo | substack |
| $38,491.71 |
| ~0% |
Revenue Model
Active paid subscription tier