Longevity Lifehacks

Investor Due Diligence Report

substackHealth

Exploring the current research on healthspan and longevity with an eye towards practical solutions and an appreciation of out-of-the-box thinking.

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Key Metrics

Subscribers

18K

1.8K paid

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Revenue Analysis

Pricing

$5/mo

$40/yr annual option

Est. Monthly Revenue

$6K

1.8K paid subs

$6K/mo – $6K/mo(±0%)

Engagement

Avg Likes/Post

14.0

Engagement Rate

0.08%

(comments + likes) / subscribers

Quality & Publishing

Audience Quality Score

68Fair

0100

Publishing Pace

Weekly

1.0 posts/week

Score based on available components only.

Component	Score	Weight

Competitive Landscape (Health)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Your Local Epidemiologist	402K	N/A	$6/mo	substack
Better Brain by Dr. Julie	172K	-0.3%	$10/mo	substack
Nedra Nuggets	152K	-0.3%	$6.99/mo	substack
🌻 A Year of Mental Health	150K	N/A	Free	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Mar 2026	18K	$6,210	—

Revenue tracking starts with your first month of data. More data points will appear as snapshots accumulate.

Risk Assessment

Key risk factors for due diligence

High

Platform Dependency

Hosted on substack subdomain

Medium

Key Person

Single-author publication — key-person dependency

Low

Audience Concentration

Consistent engagement across posts

Low

Revenue Model

Active paid subscription tier

Monetization Readiness

Monetization status

Subscriber threshold

18K subscribers — above the 2K category median for first paid tier

Has paid tier

Active paid subscription offering

Peer monetization

100% of 89 similar-size peers in Health have paid tiers

Pricing position

$5/mo vs $14.36/mo category average (881 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$5	$40

Data Quality

Report Data QualityFull - All metrics available

Subscriber Confidenceverified

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.