Thursday, September 17, 2026
HomeHealth & WellnessBen Greenfield's Weekly Roundup: September 11

Ben Greenfield’s Weekly Roundup: September 11

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Welcome to Ben Greenfield’s Weekly Roundup!

On this weekly publish, I share with you my most attention-grabbing discoveries of the week, together with the newest information on the fronts of health, diet, well being, wellness, biohacking, and anti-aging analysis. I additionally recap my upcoming occasions and particular bulletins so you possibly can sustain with alternatives to be taught, giveaways, reductions, and extra!


New Discoveries

Assume You Want Extra Cardio for a Wholesome Coronary heart? New Analysis Says This Is Sufficient (150 Minutes or 600?) 🫀

Prior to now, I’ve talked about researcher James O’Keefe (together with in this podcast episode), who has proven that the “Goldilocks zone” of train actually does not should be any greater than about 150 minutes of moderate-intensity cardio train or 75 minutes of vigorous train per week.

O’Keefe has additionally raised issues a few potential “hazard zone” with persistent vigorous train above 4 to 5 hours per week (roughly 240–300+ minutes of heart-pounding effort), particularly when sustained over a few years. In long-term endurance athletes, these excessive train volumes have been linked to issues like atrial fibrillation, myocardial fibrosis, and coronary artery calcification.

However a brand new British Journal of Sports activities Medication research discovered that the usual 150-minute-per-week guideline was related to solely modest cardiovascular safety, about an 8–9% decrease danger, whereas roughly 560–610 minutes per week of moderate-to-vigorous bodily exercise was related to greater than a 30% decrease danger.

Quantity of train wanted for cardiovascular safety

So does this completely contradict what O’Keefe is saying? Not likely.

The brand new research checked out mixed moderate-to-vigorous bodily exercise, not vigorous train alone. Somebody might accumulate 600 minutes of train principally by strolling and different average exercise and by no means come near O’Keefe’s proposed ceiling for persistent vigorous train.

The research are additionally considerably totally different outcomes. The brand new research tracked cardiovascular occasions—together with atrial fibrillation, coronary heart assaults, coronary heart failure, and stroke—utilizing well being data. Nevertheless it didn’t immediately assess a number of the structural adjustments O’Keefe has raised issues about in high-volume endurance athletes.

My ultimate take? Do what has been proven to offer a strong baseline for health.

Get round 150 minutes per week of average cardio train (or 75 minutes of vigorous cardio train), and energy practice frequently. Then, accumulate a crapload of strolling and different low-to-moderate-intensity actions all through the day.

If you’d like me to jot down out an train program for you, you possibly can go to Triumph Teaching to arrange a free name.

Concerned about studying extra about how a lot train you really want and methods for bettering cardiovascular well being, health, and longevity? Take a look at a few of my different train and coaching assets under:


Youthful Pores and skin, Boundless Vitality & Unbeatable Sleep Scores: My Upgraded Finish-of-Summer season Protocol Is HERE ⚡💤

Ben Greenfield Summer Protocol

Summer season has a manner of writing checks your restoration cannot money.

Late nights, scorching days, journey, and nonstop coaching add up, and by September, you might be feeling it.

These are the merchandise I have been utilizing to shut out summer time robust, from each day diet and ketones to hydration, skincare, sleep, and restoration. All the pieces right here is one thing I personally use and have vetted for its science and effectiveness.

Inside my end-of-summer protocol, you’ll discover:

  • IM8 Each day Final Necessities PRO — 90+ vitamins in a single each day drink, changing a pile of separate dietary supplements.
  • Tecton Ketones — My pre-sauna and cold-plunge ketone shot for clear power and psychological readability.
  • Components IQ CopperIQ Serum — Copper peptides + hyaluronic acid to help hydrated, resilient, youthful-looking pores and skin.
  • BIOptimizers — My go-to dietary supplements for sleep, digestion, stress, and metabolic help.
  • LMNT Iced Tea — Electrolytes to replenish sodium, potassium, and magnesium.
  • Younger Goose — Science-driven skincare designed to help mobile restore, power, and wholesome getting old.
  • LIFE Market Peptides — Doctor-reviewed peptide choices for metabolic well being, restoration, pores and skin, hormone help, and extra.

I’ve additionally pulled collectively reductions and particular provides that will help you attempt them for much less. If you wish to head into fall sharper, stronger, and higher rested, you can begin right here.


Boundless Hits Streaming September twenty second + Learn how to Pre-Order the Movie Now 🎬

The Boundless Stay tour has allowed me to share Boundless: The Man Who Grew to become Human on the large display alongside my household. Now, the movie is sort of accessible to everybody at house.

Now you can pre-order Boundless on Apple TV (and on Prime Video quickly!), with the complete streaming launch happening on September twenty second.

Boundless is not only a typical movie about biohacking, longevity, or pushing the bounds of human efficiency. It is about what I found after years of doing precisely that, and why religion, household, relationships, objective, and in the end the soul turned way more necessary than one other biomarker or optimization hack.

When you missed the reside world premiere, you do not have to attend for it to return again round. You may pre-order it right here on Apple TV (with Prime Video coming quickly!).

Each pre-order between now and September twenty second helps push Boundless into the trending titles the second it launches.

So in the event you weren’t capable of be part of us for one of many reside screenings, otherwise you’ve been ready to observe the movie at house, you possibly can pre-order Boundless now right here.


This Week in Well being & Efficiency: What the Newest Analysis Says

💊💰 How Cozy Can the Relationship Between Massive Pharma, Docs & Regulators Get? A disturbing deep dive from Anthony Colpo revisits allegations from former Eli Lilly government John Virapen, who claimed pharmaceutical advertising and marketing throughout his profession included lavish items, funds to influential physicians, and even bribery geared toward influencing drug approval. It is an eye-opening insider account of the potential conflicts between drug corporations, docs, researchers, and regulators (learn the complete article right here).

🥩🏋️ Slicing Energy? Here is Learn how to Shield Your Muscle & Metabolism: A 25% calorie deficit can put lean mass and resting metabolism in danger, however new analysis discovered that combining resistance coaching with excessive protein (round 1 gram per pound), creatine, caffeine, and omega-3s can considerably scale back these downsides. That is one other reminder that profitable fats loss isn’t nearly consuming much less, but additionally about the way you method the deficit. (full research right here).

⏰💪 Bulking? Intermittent Fasting Could Assist Restrict Fats Acquire: In a 12-week trial, resistance-trained adults following a 16:8 consuming schedule gained related quantities of muscle and energy however considerably much less fats than these consuming all through the day. One catch: the fasting group additionally consumed fewer energy than meant, which seemingly helps clarify a number of the distinction (full research right here).

🧠⚡ Mentally Fried? Ketones Could Assist Maintain Your Mind On-line: In a randomized trial, exogenous ketones helped forestall the drop in cognitive efficiency attributable to psychological fatigue, whereas combining ketones with caffeine produced even higher advantages for consideration and cognitive flexibility. This wasn’t a sleep-deprivation research, however anecdotally, I’ve discovered ketones notably useful once I’m working brief on sleep (full research right here).

Key Takeaway: Whether or not you are slicing, bulking, or making an attempt to remain mentally sharp, the small print could make all of the distinction: protein and resistance coaching may also help protect muscle throughout a deficit, a shorter consuming window may assist management fats achieve throughout a bulk, and ketones might give your mind an edge when psychological fatigue units in.

Wish to dive deeper? Click on the hyperlinks above to discover the analysis, and click on right here to comply with me on X for all the newest well being and efficiency information scorching off the press!


Product Of The Week

::: Nonetheless Taking Simply Magnesium Glycinate? Improve to 7 Kinds + Save 15% :::

When you already take magnesium, there’s an excellent likelihood your bottle says magnesium glycinate, and for good purpose. 

It’s nicely absorbed, usually simple on the intestine, and a well-liked selection for winding down at night time. I exploit it, too. But when it’s the one magnesium you’re taking, you’re basically masking one job with one instrument.

Magnesium is a cofactor in additional than 300 enzymatic reactions all through your muscular tissues, coronary heart, mind, mitochondria, and past. And totally different types have totally different properties, absorption profiles, and potential advantages.

So slightly than counting on a single type, I choose broader protection. For some time, that meant juggling separate bottles and dosing schedules, and inevitably working out of 1 earlier than the others.

That’s one purpose I now use BiOptimizers Magnesium Breakthrough.

As a substitute of constructing you select one type, it combines seven: glycinate, citrate, taurate, chelate, orotate, malate, and Sucrosomial magnesium. You additionally get 500 milligrams of elemental magnesium per serving, plus vitamin B6 and manganese as supporting cofactors.

So check out the magnesium you’re utilizing. If it accommodates solely glycinate, or one or two types, it might be time to improve.

You should utilize code BEN15 to save lots of 15% on Magnesium Breakthrough.

I’m an affiliate for BiOptimizers and earn a fee on purchases made by my hyperlink. I solely suggest what I exploit myself. These statements haven’t been evaluated by the Meals and Drug Administration. This product is just not meant to diagnose, deal with, remedy, or forestall any illness.


Podcasts I Recorded This Week:

A Reminiscence & Studying Knowledgeable Reveals His Secrets and techniques To Coaching Your Mind & MASTERING Your Thoughts, With Jim Kwik

From 15 Toilet Journeys A Day To A Clear Intestine: Fixing Poop Points NATURALLY With Josh Dech


The Newest Content material I Was Featured On This Week:

Grasp Biohacker Teaches Me the Secrets and techniques to Optimization | Bryan Callen

OG Biohacker Reveals What Truly Occurred When He Tried to Reverse Growing old | Wellness Is Life Podcast by Natalia Naila

Well being Hacks Massive Pharma Doesn’t Need You To Know — Biohacking Roundtable | Trendy Knowledge

Ben Greenfield | 2miles with Giacomo Sanvitale

Why I Stopped ‘Biohacking’ and Began Residing | The Dr. Hyman Present


My Article Feed:

My full article feed and all archives of my articles are right here.


Upcoming Occasions:

Eudēmonia | November 5–8, 2026

I am talking at Eudēmonia (November 5–8, 2026, in West Palm Seaside, FL), a prevention-focused, science-based well being, well-being, and longevity summit designed so as to add years to your life and life to your years. Throughout 3 days and 15 venues, you will expertise 200+ talks from 120+ specialists, 300 therapies, and 160+ manufacturers masking every little thing from biohacking, longevity, and hormonal well being to intestine well being, mind well being, peptides, mobility, and extra. I will be main a chat and a motion session alongside a number of the brightest minds in well being immediately. Use code BGREENFIELD-EUD-100 for 10% off if you register right here!

The Manzo x Ben Greenfield Desk Non-public Dinner | All through 2026

If you wish to style one of many world’s rarest cuts of beef and expertise my North Idaho biohacking compound firsthand, my household and I are internet hosting The Manzo x Ben Greenfield Desk, an intimate, chef-catered VIP dinner on just a few restricted 2026 dates. The night contains biodynamic wine, a reside cooking demo, a multi-course Piedmontese feast finer than Wagyu, and an evening of deep sleep in an EMF-free, absolutely grounded, circadian-optimized visitor room. Anybody who reserves a half or entire Piedmontese bull from Manzo qualifies for a spot, so reserve your allocation and dinner right here.

Summit Basecamp | February 4–7, 2027

Be part of me in Lake Tahoe for 4 days of world-class programming, out of doors journey, reside music, wellness, and actual connection, all a part of Summit’s world group of entrepreneurs and world-changing creatives. That is an unique, apply-to-join occasion—apply by my hyperlink, and you will be fast-tracked with a precedence invitation. Apply to affix Summit Basecamp right here. 

Keep tuned for future updates—and you may at all times sustain with my LIVE appearances by testing bengreenfieldlife.com/calendar!


This Week’s Most Well-liked Instagram Publish:

Group photo of four people posing arm-in-arm on a dimly lit studio set with exposed brick walls, string lights, and softbox lighting overhead. From left to right: a man with curly dark hair and a sun tattoo on his shoulder wearing a black tank top and tropical-print shorts; a bald man with a beard in a black button-down shirt and gray pants; a tall man with short hair in an all-black outfit; and a woman with long dark hair wearing a black off-shoulder jumpsuit.

This Week’s Most Well-liked Tweet:

Twitter post by Ben Greenfield (@bengreenfield) explaining that high protein intake (~1g/lb), creatine, caffeine, omega-3s, and resistance training can offset the muscle loss and metabolic slowdown normally caused by a 25% caloric deficit, with a linked ScienceDirect study. Below the text is a photo of a scoop pouring out a pile of light tan protein powder on a beige background.

This Week’s Most Well-liked Fb Publish:

Facebook video post from Ben Greenfield Fitness introducing NAD+ (nicotinamide adenine dinucleotide), described as a molecule in every cell that converts food into energy and supports DNA repair. The video thumbnail shows Ben Greenfield, a man with wavy brown hair wearing a black 'LIFE' T-shirt, mid-sentence with a small vial or dropper bottle in one hand, standing indoors near a window. Captions on the video read 'NAD plus you've probably heard about NAD IV infusions but.

Cheers,

Ben



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