//
Get monthly newsletter intelligence — trends, top movers, new opportunities
Newsletter Insights — advertising rates and audience data for 40K+ newsletters
Browse all →Platform Portability
Uses Substack subdomain (dremilyleeming.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
Your gut is your second brain 🧠 Simple, science-backed nutrition and gut health - for better energy, mood, and whole-body health.
Data updated 3 months ago
Second Brain hasn't published recently
Last post was 3 months ago. Growth, revenue and CPM projections assume ongoing activity, so they're hidden until posting resumes.
2.7K paid
We don't have enough growth data for Second Brain yet. The average Health newsletter has 1K subscribers.
Based on 806 Health newsletters tracked
vs 142 newsletters in Health
38K places you in the top 10% of newsletters in this category.
Posts per Week
0.6
median: 1.0
Subscribers
38K
median: 1K
Engagement Rate
0.00%
Health category average
Quality Score
Engagement vs Health
0.00%category median
Score Breakdown
| Public |
| You're the first to see this... 👀 I’m excited, and a little nervous to share this with youMar 18, 2026 | Public |
The Glow Wellness
33K subs
Brain Health Kitchen
44K subs
Philippa Perry
28K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of Second Brain vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including Momentous, Maui Nui Venison, GORUCK + 40 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Previously Bi-weekly
Inactive — last post 3 months agoHealth Pricing
$6/mo median
Above average(+17%)
Monetization Readiness
Already monetizing
100% of similar-size Health newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free