Longevity · Newsletter guide
The best longevity newsletters of 2026
: Hark’s ranked listFor a business-beat view of the longevity economy, Longevity.Technology daily briefing is our best overall pick, a free daily read on funding, trials, and biotech. Want personal science instead? Ground Truths gives credentialed clinical analysis, while Examine newsletter fact-checks every supplement claim. Hark's full ranking of 17 longevity newsletters is below, hand-verified for cadence, pricing, and publisher.
Longevity.Technology daily briefing
A free daily brief on the longevity economy's funding, trials, and biotech.
Ground Truths
Cardiologist Eric Topol reads the primary literature and says what actually holds up.
Examine newsletter
Takes no ads or supplement money and grades the evidence behind the claims.
Arnold's Pump Club
Schwarzenegger's free daily tips on training, nutrition, and sleep, kept study-linked.
Hark’s top 10 longevity newsletters
Hand-ranked by the Hark News editorial team on breadth of coverage, original reporting, publisher authority, publishing frequency, and track record. Every one is free to read, or has a real free tier.
Longevity.Technology's free daily briefing is the trade read for the longevity economy: funding rounds, clinical trials, biotech, and the companies turning aging science into products. It covers the industry rather than your protocol. For readers who follow the business and investment side of aging science.
Best for Investors and industry watchers who want the longevity economy's funding rounds, clinical trials, and biotech news covered as a business beat rather than a personal protocol.
- Longevity Industry
- Biotech
- Funding News
- Daily Briefing
Arnold's Pump Club is Schwarzenegger's daily positive corner of the internet: short, evidence-minded takes on training, nutrition, sleep, and mindset, produced with fitness journalist Adam Bornstein. The tone is relentlessly encouraging without being fluffy, and claims are typically tied to actual studies. A companion five-minute daily podcast summarizes three tips per day and has passed 10 million downloads.
Best for Readers who want relentlessly encouraging, study-linked daily tips on training, nutrition, and sleep, backed by Schwarzenegger's reach and a fitness journalist's editorial rigor.
- Fitness
- Nutrition
- Daily Tips
- Evidence-Based
Eric Topol's Ground Truths reads the primary literature on aging science, AI in medicine, and biomedical breakthroughs and says plainly what holds up, from the Scripps cardiologist and author of Super Agers. It runs several times a week and is entirely free. The most credentialed clinical voice covering longevity research.
Best for Readers who want a credentialed cardiologist to read the primary aging-science and AI-in-medicine literature and say plainly what actually holds up, several times a week.
- Aging Research
- AI in Medicine
- Clinical Analysis
- Evidence-Based
Research-grounded insight on micronutrients, aging, sleep, exercise, and stress resilience from biomedical scientist Rhonda Patrick, PhD, host of the FoundMyFitness podcast. The main newsletter is free; a premium membership adds the biweekly members-only Science Digest, The Aliquot podcast, and live Q&As.
Best for Readers who want the citations attached to every claim about micronutrients, sleep, and stress resilience, from a biomedical scientist who runs her own research-grounded podcast.
- Nutrition Science
- Sleep
- Stress Resilience
- Research-Backed
The Mindset is the flagship newsletter of Super Age, the longevity media brand founded by photographer-turned-publisher David Harry Stewart. It blends practical healthspan science with a distinctly aspirational framing about aging boldly rather than fearfully. Growth has been remarkable, claiming a million subscribers within seven months of launch, though that figure comes from the company itself.
Best for Readers who want an aspirational, healthspan-focused framing on aging boldly, from a fast-growing longevity media brand blending science with lifestyle inspiration.
- Healthspan
- Lifestyle
- Aging Well
- Aspirational
Neural Network is the monthly email from Andrew Huberman's podcast operation, summarizing protocols and research on sleep, fitness, and focus for a self-reported 700,000+ subscribers. It is practical and protocol-heavy. Best for readers who want actionable takeaways rather than health news.
Best for Readers who want protocol-heavy, actionable takeaways on sleep, fitness, and focus distilled monthly from a massive research-driven podcast, rather than general health news.
- Protocols
- Sleep
- Focus
- Podcast Digest
Peter Attia's free weekly email turns longevity research on exercise, lipids, sleep, and disease prevention into things you can actually do, from the physician behind the number one bestseller Outlive and The Drive podcast. His deepest work sits behind the paid membership; the free letter is the framework. The category's flagship, and the clearest thinking on healthspan.
Best for Readers who want the category's clearest thinking on exercise, lipids, sleep, and disease prevention, turned into practical frameworks by the physician behind the bestseller Outlive.
- Healthspan
- Exercise Science
- Disease Prevention
- Frameworks
The Blue Zones Newsletter comes from the organization built on Dan Buettner's research into the world's longest-lived communities. Each week it delivers longevity news, exclusive interviews, recipes, and lifestyle tips drawn from the Blue Zones playbook of diet, movement, and social connection. Warmer and more lifestyle-oriented than the research-heavy longevity newsletters, it suits readers who want livable advice over lab results.
Best for Readers who want livable, lifestyle-oriented longevity advice on diet, movement, and social connection, drawn from research into the world's longest-lived communities rather than lab data.
- Blue Zones
- Lifestyle
- Diet
- Social Connection
Examine is the neutral referee of the supplement world: it takes no ads and no industry money and grades the evidence behind nutrition and supplement claims. The free newsletter delivers study summaries and updates; deeper analysis sits behind the paid Examine+ tier. Subscribe to fact-check everything else on this list.
Best for Skeptical readers who want an ad-free, industry-money-free grade on the actual evidence behind nutrition and supplement claims, useful for fact-checking everything else in the category.
- Supplement Evidence
- Nutrition Science
- Fact-Checking
- Independent Analysis
Lifespan Insider is David Sinclair's free e-newsletter on aging research and his lab's work, from the Harvard geneticist behind the book Lifespan. As of August 2026 the signup page still says the newsletter is launching in 2026, so sign up now and expect issues later. Read it for the optimist's view from inside the lab, and know he also co-founded longevity companies.
Best for Longtime followers of aging research who want an optimist's view from inside a leading genetics lab, once it launches, from the Harvard scientist behind the book Lifespan.
- Aging Research
- Genetics
- Lab Perspective
- Longevity Science
More longevity newsletters
The rest of our ranked longevity newsletters, #11 through #17.
Fight Aging! is one of the longest-running publications in longevity science, written by the pseudonymous Reason, a longevity investor and founder of Repair Biotechnologies. The weekly newsletter compiles research summaries, industry news, and advocacy for treating aging itself as a medical condition. It is unapologetically technical and opinionated; ideal for readers who want the primary-literature end of the longevity spectrum rather than lifestyle tips.
Best for Readers who want the primary-literature end of longevity science, unapologetically technical and opinionated, treating aging itself as a medical condition worth fighting.
- Longevity Science
- Advocacy
- Technical Research
- Rejuvenation
News and opportunity updates from the Lifespan Research Institute (formerly Lifespan.io / LEAF), the nonprofit behind the Lifespan News article and video series on rejuvenation biotechnology and aging research. Signup is free via the form on the homepage; cadence is not stated.
Best for Readers who want credible, nonprofit-driven coverage of rejuvenation science and aging-research policy from an institute formed by a merger of two established research organizations.
- Rejuvenation Science
- Nonprofit Research
- Policy
- Aging
SCL Magazine arrives monthly by email with articles on longevity science, financial planning for long lives, career and education across life stages, and profiles of people redefining aging. Published by the Stanford Center on Longevity; twelve back issues are browsable on the site. Subscription is free via an email form.
Best for Readers who want university-grade thinking on redesigning careers, finances, and health for century-long lives, without any supplement-industry noise attached.
- Longevity Planning
- Academic Research
- Careers
- Financial Health
Weekly emails from biohacker Nick Urban, host of the High Performance Longevity podcast, distilling what actually moved the needle on his bloodwork, sleep, and cognitive performance. The site claims 200+ health technologies tested and 500+ supplements and devices reviewed. Expect protocol write-ups, product reviews, and subscriber discounts.
Best for Biohacking enthusiasts who want protocols, supplement stacks, and gear reviews sorted into what is worth trying, read as field notes rather than medical guidance.
- Biohacking
- Protocols
- Gear Reviews
- Experimentation
Bryan Johnson's dispatches from the most public self-experiment in longevity: biomarker results, protocol changes, and the Don't Die movement. He is a maximalist with commercial interests, and the newsletter doubles as a platform for both. Read it for the data and the spectacle, with eyes open.
Best for Readers curious about the most public self-experiment in longevity, who want biomarker results and protocol changes viewed with appropriate skepticism about the commercial interests involved.
- Self-Experimentation
- Biomarkers
- Longevity Protocols
- Public Figure
The skeptic's longevity letter. Matt Kaeberlein ran the Dog Aging Project and now spends Optispan's monthly note separating real evidence from marketing across supplements, drugs, and protocols, alongside the podcast. If Sinclair is the optimist, this is the necessary counterweight.
Best for Skeptical readers who want a necessary counterweight to longevity hype, separating real evidence from marketing across supplements and drugs, from a researcher who ran the Dog Aging Project.
- Skeptical Analysis
- Supplements
- Research Critique
- Aging Science
The Longevity Project is a research and public-conversation initiative that works alongside the Stanford Center on Longevity, and its flagship email is called Three Not-So-Bad Things on Longevity and Aging. Each Wednesday it counters the doom cycle with three short, sourced items of genuinely encouraging news about aging. A light, optimistic read for anyone tracking the longevity field without wanting a journal club.
Best for Readers who want a light, optimistic weekly antidote to the aging doom cycle, with three short, sourced items of genuinely encouraging news rather than a full journal club.
- Optimistic News
- Aging Research
- Weekly Digest
- Stanford-Affiliated
Hark’s Picks for Longevity newsletters
The Hark editorial team researched each longevity newsletter to recommend the strongest pick for every kind of reader, from a quick daily overview to deeper reporting and analysis. These picks reflect Hark’s independent editorial judgment: publishers cannot pay for placement. Updated October 2026.
| Pick | Newsletter |
|---|---|
| Best overall | Longevity.Technology daily briefing |
| Best clinical research digest | Ground Truths |
| Best supplement fact-checking | Examine newsletter |
| Best free daily habits | Arnold's Pump Club |
| Best physician frameworks | Peter Attia's Weekly Newsletter |
| Best research-dense nutrition | FoundMyFitness Newsletter |
| Best podcast protocol digest | Huberman Lab Neural Network |
| Best lifestyle longevity | Blue Zones Newsletter |
| Best skeptical counterweight | The Big O |
| Best for biohackers | Outliyr newsletter |
| Best academic planning view | SCL Magazine |
| Best for technical readers | Fight Aging! |
| Best optimistic weekly | The Longevity Project |
| Best self-experiment watch | Don't Die |
Recommended bundles for longevity newsletters
Hark’s bundles make it easier to follow the news that matters to you without sorting through dozens of newsletters or hearing the same stories repeatedly. Each bundle brings together complementary longevity publications, selected by Hark’s editors to provide a useful mix of breaking news, original reporting, expert analysis and important perspectives. Whether you are looking to get ahead in your job or a curious student looking ahead for your career, our bundles are an efficient productivity hack to stay up to date and constantly learn.
Every morning, Hark takes the most important stories from all the newsletters in a bundle, removes the duplicates, and turns them into one short audio briefing: all the top stories in about five minutes. Tap a bundle and its newsletters come pre-selected when you start your free trial; add, drop, and compare until the mix fits.
Evidence-first healthspan
Readers who want peer-reviewed science and citations over marketing.
Peter Attia's Weekly NewsletterGround TruthsExamine newsletterFoundMyFitness Newsletter
Start with this bundleDaily habits and motivation
People who want small, doable daily nudges on training, sleep, and diet.
Arnold's Pump ClubHuberman Lab Neural NetworkBlue Zones Newsletter
Start with this bundleLongevity industry watch
Investors and professionals tracking the business of aging science.
Longevity.Technology daily briefingLifespan Research Institute NewsletterSCL Magazine
Start with this bundleBiohackers and self-experimenters
Enthusiasts running their own protocols who want a skeptic to keep them honest.
Outliyr newsletterDon't DieThe Big O
Start with this bundleFrequently asked questions
What is the best longevity newsletter overall?
What are the best free longevity newsletters?
What is the best daily longevity newsletter?
Which longevity newsletters are the most evidence-based versus lifestyle-focused?
Are any of these newsletters written by people with commercial interests in longevity products?
What is the difference between a longevity industry briefing and a personal-health newsletter?
Which longevity newsletter is best for beginners?
Which newsletter is best for cutting through supplement hype?
Are there longevity newsletters written by doctors or researchers?
Is longevity newsletter advice a substitute for medical care?
What is the most efficient way to keep up with longevity news?
How does Hark rank these longevity newsletters?
How often is this list updated?
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