Mayim Bialik's Breakdown
Investor Due Diligence Report
substackHealth
Health, Well-Being & The Science of Spirituality with Mayim Bialik & Jonathan Cohen! 🧠💥.
94K
6.3K paid
+0.5%
Insufficient data
29 of 30 days needed
Pricing
$8/mo
$88/yr annual option
$42K
6.3K paid subs
$42K/mo – $42K/mo(±0%)
11.9
86.1
0.10%
(comments + likes) / subscribers
~4x per week
4.2 posts/week
77/100
Consistent (~2.1d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Granted | 569K | +0.6% | Free | substack |
| Your Local Epidemiologist | 410K | +0.3% | $6/mo | substack |
| The Forgotten Side of Medicine | 362K | +0.5% | $7/mo | substack |
| Neuroscience & Wellness | 327K | +5.0% | $7.99/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 84K | $37,873.08 | — |
| Mar 2026 | 86K | $38,774.82 | +2.4% |
| Apr 2026 | 88K | $39,676.56 | +2.3% |
| May 2026 | 89K | $40,130.82 | ~0% |
| Jun 2026 | 92K | $41,480.04 | +3.4% |
| Jul 2026 | 94K |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Some posts outperform significantly
Subscriber threshold
94K subscribers — above the 1K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 23 similar-size peers in Health have paid tiers
Pricing position
$8/mo vs $6/mo category median (901 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $8 | $88 |
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 | 37/100 | 30% |
| Paid Subscriber Ratio | 90/100 | 25% |
| Growth Consistency | 84/100 | 15% |
| Publishing Consistency | 79/100 | 10% |
| Ground Truths |
| 211K |
| +0.2% |
| $8/mo |
| substack |
| $42,381.78 |
| +2.2% |
Revenue Model
Active paid subscription tier