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 study, giveaways, reductions, and extra!
New Discoveries
Need Increased Testosterone? Begin HERE Earlier than Shopping for A “Booster” 💪
Low testosterone has grow to be one of many hottest matters in males’s well being. If social media is any indication, you’d suppose the answer is all the time one other complement, herb, or prescription.
However earlier than you spend lots of of {dollars} on the following “miracle” formulation, it is value taking a step again and asking a extra essential query: what really drives your testosterone ranges within the first place?
For a lot of males, the reply has much less to do with discovering the right “testosterone booster” and extra to do with getting the basics proper.
Based mostly on the newest research, males, significantly middle-aged and older males with useful low testosterone, usually see enhancements by way of weight reduction, higher metabolic well being, and addressing underlying life-style components.
The rationale extra physique fats can decrease testosterone is pretty simple: adipose tissue incorporates an enzyme known as aromatase, which converts testosterone into estrogen. The extra extra physique fats you carry, the better this conversion can grow to be.
However there’s an essential caveat: leaner is not all the time higher.
In my expertise, and supported by the broader literature on vitality availability and hormone well being, males who push under roughly 10% physique fats and ladies who dip under 20% usually start to expertise hormonal trade-offs of their very own. Somewhat than striving to get shredded in any respect prices, it is often higher to search out the candy spot the place you are lean, wholesome, energetic, and hormonally resilient.
So what concerning the numerous “testosterone boosters” lining complement cabinets?
Probably the most complete critiques on the subject recommend that almost all over-the-counter testosterone boosters fail to extend complete testosterone underneath placebo-controlled circumstances meaningfully.
There are a couple of notable exceptions. Ashwagandha (I like to recommend Thorne’s) and tongkat ali (Eurycoma longifolia) have proven promise in sure populations, whereas HMB (beta-hydroxy beta-methylbutyrate) and betaine (also called trimethylglycine or TMG) seem to offer modest advantages for male athletes.
However the overarching message from the analysis is obvious: no complement will outwork poor sleep, extra physique fats, continual stress, inactivity, or a nutrient-deficient eating regimen.
My take: earlier than spending lots of of {dollars} chasing the following miracle testosterone formulation, concentrate on the basics first. Optimize your physique composition, carry heavy issues often, prioritize sleep, handle stress, and be sure to’re consuming sufficient nutrient-dense meals to assist hormone manufacturing. Then, if acceptable, take into account evidence-based dietary supplements because the icing on the cake, not the cake itself.
Need to dive deeper into testosterone optimization, hormone well being, and the methods that really transfer the needle? You’ll be able to try the sources under.
- Biohacking Your Manhood: The Confirmed Habits, Meals, Workouts, Exercises, Vitamins & Instruments That Enhance Testosterone & Drive.
- The Coolest, Craziest Oral Peptides (& The place To Get Them), Boosting Testosterone With out Medication & Extra With LIFE Community Knowledgeable Kyal Van Der Leest.
- The *Finest Of* Protocols to Reset Your Mind, Enhance Vitality & Break Psychological Limits: Finest Of Optimized Dwelling.
- Hair, Hormones, Icing Your Balls & 6 Different Little-Identified Methods To Enhance Testosterone, Stability Your Hormones & Reclaim Your Rightful Man & Womanhood.
- Testosterone Substitute Remedy, Hormone Testing 101, Spot-Decreasing Fats Loss Cream, The Benjamin Button Longevity Cocktail & A lot Extra With Adam Lamb of RenewLifeRX.
Your Invite to the Afterparty: LA, NYC & Austin Boundless Movie—Let’s Have a good time Collectively
Tickets to the Boundless Stay tour are on sale now (in the event you didn’t get your tickets but, simply maintain studying!).
However after you see the movie, after I’ve laid naked the whole lot I’ve discovered about chasing optimization at the price of what really issues, I am not leaving.
Neither is my household.
As an alternative, after the movie and stay Q&A, you may dangle with us on the VIP afterparty.
For LA, the VIP afterparty (after the movie on the Belasco) is on the Downtown LA Correct Lodge in Cabrillo—hosted by James Beard Award-winning cooks, with curated wines, craft cocktails, and seasonal small plates (100% seed oil-free and the whole lot else you’d anticipate me to prioritize!).
In Austin, the VIP afterparty (after the movie at Emo’s) is at Satan Could Care—an intimate underground lounge with Mediterranean-inspired small plates, additionally crafted with out seed oils or refined sugars.
Different tour stops and VIP afterparties are coming, with tickets for NYC and Moscow, ID, on sale now.
*If you wish to be a part of the afterparty, simply search for ADD EVENT EXTRAS throughout checkout.*
The VIP improve will replenish quick, so seize your tickets quickly.
This Week in Well being & Efficiency: What the Newest Analysis Says
💪🧬 Not All Important Amino Acids Are Created Equal: Should you’re purchasing for an EAA complement, do not assume each formulation delivers the identical advantages. From leucine content material and amino acid ratios to ingredient high quality and sweeteners, a number of components decide whether or not a product will really assist muscle protein synthesis and restoration. Here is my information to the seven issues I all the time search for earlier than shopping for an EAA complement.
🧃🏃 Males And Girls Could Reply Very In another way To Beetroot Dietary supplements: New analysis suggests sodium nitrate (present in beetroot extract and plenty of pre-workouts) can improve endurance coaching diversifications in males—however really impair them in girls. It is one other reminder that intercourse variations exist, and that dietary supplements proven to work in a single inhabitants do not all the time produce the identical leads to one other (learn the research).
😴⏰ Too A lot Sleep Could Be Simply As Regarding As Too Little: Until you are a hard-charging athlete or recovering from sleep deprivation, sleeping greater than about 8 hours per night time was related to an elevated danger of mortality in a large new research. As all the time, correlation does not show causation, however the findings reinforce that extra sleep is not all the time higher (full research right here).
👨👧🧬 Your Well being Earlier than Conception Could Form Your Kids’s Future: Rising analysis suggests a father’s metabolic well being earlier than conception could affect his kids’s long-term danger of weight problems and continual illness. In different phrases, your “dad bod” could have an effect on greater than your individual well being; it may affect the following era by way of epigenetic adjustments handed on earlier than being pregnant even begins (learn extra).
Key Takeaway: Customized well being continues to outperform one-size-fits-all recommendation. Whether or not it is recognizing that women and men can reply otherwise to dietary supplements, aiming for the correct quantity of sleep as an alternative of merely extra, selecting higher-quality amino acid formulation, or understanding how your well being right this moment could affect your future kids, the small print make a distinction, and so do the basics.
Product Of The Week
::: The Mounting Science Behind C15:0 (& Learn how to Save 15% Off) 🧬 :::
Most individuals take into consideration wholesome ageing by way of wrinkles, aches, or lifespan.
However the true story begins a lot deeper, inside your cells. Each second of day by day, your cells are repairing, adapting, and responding to the world round you. Supporting that course of could also be one of many smartest longevity methods there’s.
That is why one nutrient has been getting an amazing quantity of consideration these days: C15:0, the primary important fatty acid found in additional than 90 years.
The science behind C15:0 continues to develop. Two giant potential meta-analyses discovered that even small will increase in circulating C15:0 ranges have been related to higher long-term cardiovascular and metabolic well being. Medical trials have additionally proven that supplementing with C15:0 raises blood ranges of this distinctive fatty acid, with greater ranges linked to more healthy purple blood cells, liver perform, ldl cholesterol metabolism, intestine microbiome stability, and blood vessel well being.
Developed by physicians and initially funded by the U.S. Navy, fatty15 is a patented, award-winning C15:0 complement designed to assist wholesome ageing on the mobile degree.
Analysis suggests it helps greater than 36 mobile pathways, and in a survey of 6,243 fatty15 clients, 70% reported noticeable enhancements inside 16 weeks, together with higher sleep, temper, and vitality.
Fatty15 has grow to be a daily a part of my wholesome ageing stack as a result of I consider the strongest longevity methods start on the mobile degree.
If you would like to present it a attempt, you need to use code BEN right here to avoid wasting 15% at checkout.
Podcasts I Recorded This Week:
The Newest Content material I Was Featured On This Week:
My Article Feed:
My full article feed and all archives of my articles are right here.
Upcoming Occasions:
Boundless Stay with Ben Greenfield | Summer season 2026
Be a part of the world premiere of Boundless: The Man Who Grew to become Human, a brand new characteristic documentary that follows 20 years of physique optimization colliding with life’s immeasurable moments—marriage, household, and religion. Expertise a stay podcast recording and intimate Q&A with my household and me in Los Angeles, New York, Austin, and Moscow, ID, one night time in a room full of individuals chasing the identical factor. Buy tickets right here.
Well being Optimisation Summit | September 11–13, 2026
I am talking on the Well being Optimisation Summit in London (September 11–13, 2026) on the Enterprise Design Centre. This is not your common well being convention. HOS unites one of the best minds in biohacking, longevity, diet, health, and medication, with one aim: to truly make individuals more healthy. With 35+ world-class audio system, 120+ cutting-edge manufacturers, and 4,000 like-minded individuals all underneath one roof, it is two days that might genuinely change the way you method your well being. Get your ticket right here and use code BEN to avoid wasting 10% off registration!
Eudēmonia | November 5–8, 2026
I am talking at Eudēmonia (November 5–8, 2026, in West Palm Seashore, 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 may expertise 200+ talks from 120+ specialists, 300 remedies, and 160+ manufacturers protecting the whole lot 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 among the brightest minds in well being right this moment. Use code BGREENFIELD-EUD-100 for $100 off whenever you register right here!
The Boundless {Couples} Retreat | November 10–14, 2026
Able to reconnect and recharge together with your accomplice in paradise? Be a part of the Greenfields on the beautiful Prana Maya resort in Belize for the Boundless {Couples} Retreat, November 10–14, 2026. It is a five-day, all-inclusive escape designed to deepen your relationship, restore your vitality, and create reminiscences that final a lifetime. From rest and journey to intimate relationship teaching with Jessa and me, each element is crafted to ship you house with a stronger bond and a reinvigorated spirit. Spots are restricted, so uncover extra and safe yours right here right this moment!
The Manzo x Ben Greenfield Desk Personal 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 a couple of restricted 2026 dates. The night consists of biodynamic wine, a stay cooking demo, a multi-course Piedmontese feast finer than Wagyu, and an evening of deep sleep in an EMF-free, totally 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.
Keep tuned for future updates—and you’ll all the time sustain with my LIVE appearances by testing bengreenfieldlife.com/calendar!
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Cheers,
Ben
