Ask The Patient by Dr. Zed Zha
Investor Due Diligence Report
by Zed Zha, MD (she/her)
substackHealth
A love letter from a doctor and a reckoning that gives patients language, dignity, and voice.
3K
300 paid
N/A
Pricing
$6/mo
$60/yr annual option
$1K
300 paid subs
$1K/mo – $1K/mo(±0%)
Previously Weekly
0.8 posts/week
66/100
Consistent (~8.6d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Mental Health Movement by Dr. Jake Goodman | 46K | N/A | $20/mo | substack |
| Brain Health Kitchen | 44K | N/A | $20/mo | substack |
| The Metabolic Nutritionist | 41K | N/A | $5/mo | substack |
| Second Brain | 38K | N/A | $7/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 3K | $1,431 | — |
| Mar 2026 | 3K | $1,431 | ~0% |
| Apr 2026 | 3K | $1,431 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
3K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 179 similar-size peers in Health have paid tiers
Pricing position
$6/mo vs $6/mo category median (848 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.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Paid Subscriber Ratio | 90/100 | 25% |
| Menopause: The Inside Info | 38K | N/A | $9/mo | substack |