
Ground Truths
Investor Due Diligence Report
Facts, data and analytics about biomedical matters.
216K
12.9K paid
~0%
Subscriber count is a platform estimate
+0.5%
net growth
Pricing
$8/mo
$80/yr annual option
$82K
12.9K paid subs
$82K/mo – $82K/mo(±0%)
7.5
237.6
0.11%
(comments + likes) / subscribers
Weekly
0.9 posts/week
78/100
Consistent (~8.1d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Your Local Epidemiologist | 416K | N/A | $6/mo | substack |
| Sensible Medicine | 107K | N/A | $8/mo | substack |
| Neuroscience & Psychotherapy | 72K | +0.7% | $10/mo | substack |
| Healing The Source | 70K | N/A | $8/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 198K | $74,927.16 | — |
| Mar 2026 | 202K | $76,440.84 | +2.0% |
| Apr 2026 | 204K | $77,197.68 | ~0% |
| May 2026 | 206K | $77,954.52 | ~0% |
| Jun 2026 | 208.5K | $78,902.16 | ~0% |
| Jul 2026 | 211K |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
216K subscribers — above the 1K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 9 similar-size peers in Health have paid tiers
Pricing position
$8/mo vs $5/mo category median (586 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $8 | $80 |
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.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 65/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Publishing Consistency | 66/100 | 10% |
| Due Diligence and Art |
| 60K |
| N/A |
| $8/mo |
| substack |
| $79,849.8 |
| ~0% |
| Aug 2026 | 214K | $80,981.88 | ~0% |
| Sep 2026 | 215K | $81,363.48 | ~0% |
| Oct 2026 | 216K | $81,738.72 | ~0% |
Revenue Model
Active paid subscription tier