Investor Due Diligence Report
Evidence-based diet & lifestyle strategies to support a healthy microbiome and optimal gut health, from microbiome researcher & educator Lucy Mailing, PhD.
7K
490 paid
N/A
Insufficient data
16 of 30 days needed
Pricing
$12/mo
$100/yr annual option
$4K
490 paid subs
$4K/mo – $4K/mo(±0%)
Unknown
0.0 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Range Widely | 52K | N/A | $5/mo | substack |
| CRAFT TALK | 51K | N/A | $10/mo | substack |
| Narratively Academy | 27K | N/A | $15/mo | substack |
| Minding the Gap | 24K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 8K | $4,754.4 | — |
| Apr 2026 | 7K | $4,160.1 | -12.5% |
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
7K subscribers — above the 1K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 69 similar-size peers in Education have paid tiers
Pricing position
$12/mo vs $14.27/mo category average (485 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $12 | $100 |
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.
| Paid Subscriber Ratio |
| 75/100 |
| 25% |
| The West Point History Professor |
| 22K |
| N/A |
| $8.5/mo |
| substack |