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Sarah Kleiner
👤Unclaimed listing

Auto-generated from Sarah Kleiner’s publicly available Substack info.

Sarah Kleiner hasn’t claimed, verified, or endorsed it, and is not affiliated with, sponsored by, or a partner of SocialDB. Any rates shown are estimates, not set by the creator.

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Subscribers
11K
Account age
0 yrs
💰 Suggested sponsorship rate
🎁 Free analysisfor Sarah Kleiner

💡 Facts

🗓️Joined Substack in 2025.
📤Posts about 2.4× per week.
💬0.16% engagement rate.
🏅Earned the 10K Subscribers for passing 10K subscribers.

👥 Audience demographics

Estimated

Modeled from this creator's niche, platform & region — a niche benchmark, not this creator's real audience data.

Gender split
Male 42% Female 58%
Age · peak 18-24
13-1711%
18-2433%
25-3432%
35-4416%
45+8%
Top geographies
  • United States34%
  • India11%
  • United Kingdom8%
  • Brazil6%
  • Indonesia5%
Audience language
  • English88%
  • Other12%
Likely interests
EntertainmentLifestyleTrending

💬 Newsletter engagement

Measured

Real reader activity from the last 12 posts — reactions, comments and restacks are public on every Substack post.

18
❤ avg reactions / post
1
💬 avg comments / post
2
🔁 avg restacks / post
0.16%
Strongreaction rate
Free issues (reach the whole list) vs paywalled
42% free

A mix of free and paid issues — sponsored placements in the free issues reach the full list.

About

This Substack is where I teach you how your body works through the lens of light, circadian biology, nutrition and mitochondrial health. Practical tools you can use every single day, how small daily shifts create huge changes, and how to build health!

Frequently asked questions

How much does Sarah Kleiner charge for a sponsorship?
Sarah Kleiner hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Sarah Kleiner for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Sarah Kleiner, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many subscribers does Sarah Kleiner have?
Sarah Kleiner has 11,000 subscribers on Substack.

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🚧

Sarah Kleiner isn't on SocialDB yet

Sarah Kleiner hasn't claimed this listing yet, so they can't accept sponsorships, collabs or other deals here. The prices shown are estimates.

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