Longevity Decoded
Investor Due Diligence Report
substackHealth
Lifestyle Medicine Doctor and Family Physician for 17+ years. I help decode the latest science into evidence-based blueprints to feel better, live longer and perform today.
6K
600 paid
N/A
Pricing
$5/mo
$30/yr annual option
$2K
600 paid subs
$2K/mo – $2K/mo(±0%)
2.0
31.0
0.55%
(comments + likes) / subscribers
Bi-weekly
0.5 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The Vajenda | 128K | N/A | $5/mo | substack |
| Inside Medicine | 84K | N/A | $5.99/mo | substack |
| The Art of Enchantment, with Dr Sharon Blackie | 59K | N/A | $7/mo | substack |
| Friendly Neighbor Epidemiologist | 52K | N/A | $8/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 4K | $1,170 | — |
| Apr 2026 | 6K | $1,755 | +50.0% |
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
6K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 146 similar-size peers in Health have paid tiers
Pricing position
$5/mo vs $6/mo category median (918 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $30 |
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.
| Engagement Rate |
| 55/100 |
| 30% |
| Paid Subscriber Ratio | 90/100 | 25% |
| Stoicism: Philosophy as a Way of Life | 50K | N/A | $7/mo | substack |