Ben Greenfield’s Weekly Roundup: May 30 – June 5

Ben Greenfield’s Weekly Roundup: May 30 – June 5


Welcome to Ben Greenfield’s Weekly Roundup!

In this weekly post, I share with you my most interesting discoveries of the week, including the latest news on the fronts of fitness, nutrition, health, wellness, biohacking, and anti-aging research. I also recap my upcoming events and special announcements so you can keep up with opportunities to learn, giveaways, discounts, and more!


New Discoveries

How to Turn a Regular Temperature Shower Into a Cold Shower 🚿❄️ 

You’ve likely heard me talk about cold exposure—how it floods your system with dopamine, builds mental toughness, accelerates recovery, and rewires your nervous system for resilience. 

But let’s be honest: most cold plunges aren’t exactly convenient—ice baths require time and setup, outdoor temperatures can be unpredictable, and a typical “cold” shower often doesn’t deliver the intensity you need to be effective.

That’s where Ice Blast from CryoShower comes in. This sleek unit transforms your ordinary shower into a high-performance cold therapy chamber. I demo it all in the video included above, showing how I rigged it in my own bathroom with no fancy tools or plumbing degree—just ice, water, and some resilience.

Simply fill it with ice and water, hook it up in seconds, and step into next-level cold. With advanced cooling tech, Ice Blast can drop your shower temp by up to 22°F—as low as 41°F or 5°C—making it perfect for optimizing your body and mind from home.

Here’s how Ice Blast works:

  • Fill the twin tanks with ice.
  • Attach the included Ice Blast shower head (shown in the demo above).
  • Hook it up to your faucet.
  • Flip it on to unlock the full-body benefits of cryotherapy.

In under 30 seconds, cryo-grade water floods over you, energizing your body’s systems, boosting HRV, lowering cortisol, and sharpening your mind for the day (or cooling you down post-workout).

Whether you’re chasing mental clarity, faster recovery, or just a quick and easy way to wake yourself up in the morning, Ice Blast can help you:

✔️ Sharpen your focus with a dopamine surge.

✔️ Adapt to stress with daily cold exposure.

✔️ Promote oxygen efficiency and faster repair.

You can order CryoShower’s Ice Blast here and save 5% off your purchase with code BenGreenfield.

Interested in diving deeper into cold therapy? You can check out these additional resources:

  • An “Ice Bath On Steroids”? Comparing Cryotherapy, Cold Water Immersion, The Latest Cold Therapy Tech & More With Maria Ensabella.
  • From Depression, Addiction & Low Energy to Becoming a Total Breathwork Ninja: How to Unlock the *Transformative* POWER of Breath, Cold Therapy & Sweat Lodges with Michael Nuss and Maximilian Freiler.
  • The BEST Supplements & Tests For Babies & Children, Methylene Blue For The Brain, Does Cold Water Immersion “Ruin” Exercise Results & MORE! Solosode #483.
  • Easy Ways To Get Smarter, The Best Jet Lag Hacks, Why Cold Water Is Better Than Cryotherapy, Weed Before Sleep & Much More With Louisa Nicola.
  • Keto vs. Carnivore, Hormonal Chaos from High Protein, the *Surprising* Truth About Cold Exposure, and Why Carbs Are CRUCIAL with Jay Feldman.
  • 377: The Big Vitamin D Mistake, How Ben Reads A Book A Day, Cold Therapy vs. Cryotherapy vs. Cold Thermogenesis & Much More!

New to Fitness or Want to Switch Up Your Routine? *These* Two Simple Hacks Can Help You Feel More Confident and Connected at the Gym 💪

Walking into a gym for the first time—or even just stepping outside your usual workout routine—can feel downright intimidating.

There’s a sea of machines, cables, and contraptions that can look more like medieval torture devices than tools for fitness. But here’s the thing: with a little strategy (and a few simple hacks), you can navigate any gym like a pro and get a killer workout without second-guessing yourself.

Here’s a simple, game-changing way to use AI for navigating a new gym or creating a customized workout on the fly:

  • Snap a few photos or a short video: Capture the layout of the gym, including machines, free weights, and open space.

  • Upload the images to your AI assistant: I use Grok, but tools like ChatGPT or other fitness-specific AIs work too.

  • Give it clear instructions: Be specific about what you want to focus on during your workout. For example, you might prompt it to include:

    • What kind of workout you want (e.g., fat loss, strength, cardio, core, upper/lower body).
    • How much time you have.
    • Any goals, injuries, or preferences it should consider.
  • Let the AI generate your workout: It’ll scan the equipment, assess your input, and deliver a customized plan using exactly what’s available—no guesswork, no wasted time.

  • Follow and tweak as needed: Use the plan as your base. You can always adjust reps, sets, or intensity based on how you’re feeling that day.

Hit enter… and get moving—it’s that simple!

That said, if you’re craving real human connection, team accountability, and workouts designed and tested by actual experts, not just AI, then you can check out LIFE Premium for only $1 this month!

Inside, you’ll gain access to my coaching team, TRIUMPH Coaching, plus you’ll receive a series of on-the-fly, travel-friendly monthly workouts that make it easy to stay consistent no matter where you are. Think cardio, full-body strength, HIIT, and conditioning, all led by me and my team of trusted coaches. You’ll not only get moving, you’ll discover how to move better, recover faster, and train smarter.

With LIFE Premium, you’ll also unlock monthly group coaching calls for expert support and personalized feedback. Plus, you’ll be part of a community of like-minded people who are on the same journey toward better health, more energy, and peak performance.

Ready to upgrade your routine? You can join for $1 today here! 


Your 2025 Father’s Day Gift Guide Is Here! Powerful, Practical Gifts for Health-Focused Dads 🏋️‍♂️🧠

Another pair of novelty socks, a generic grill set, or a bottle of bourbon he’ll stash and forget? Not exactly the stuff of legends… 

The truth is, most Father’s Day gifts end up collecting dust because they’re not actually useful—and they usually don’t support Dad’s health, energy, or performance.

Whether he’s already deep into health optimization or just starting to level up his routine, my 2025 Father’s Day Gift Guide is packed with performance-boosting tools, smart gear, and clean upgrades that support stronger workouts, better sleep, higher testosterone, cleaner air, and lasting vitality.

A few of my top picks from the full guide include:

  • Aires Tech: These EMF-modulating devices can help him stay protected from hidden biological stressors like phones, laptops, Wi-Fi, and 5G, supporting deeper sleep, clearer thinking, and long-term vitality.
  • Ryker Clothing: This performance gear is made from organic cotton and Merino wool, not synthetic fabrics that leach hormone-disrupting chemicals, offering moisture-wicking, breathable comfort you can actually trust.
  • MASA Chips: Made from organic corn, grass-fed tallow, and sea salt, these thick, crunchy chips are the ultimate dad snack—free of seed oils, full of flavor, and totally guilt-free.
  • Feno Smartbrush: This 20-second mouth-biohacking device detects inflammation, disease markers, and oral-systemic health signals, providing real-time tracking and expert dental support for a full-body health upgrade.
  • NADS Underwear: Made from toxin-free organic cotton, these underwear protect Dad’s hormones from chemical exposure while staying comfortable, breathable, and free of microplastics and endocrine disruptors.
  • Alitura Skincare: From the Gold Serum to the Meteorite Scrub, Alitura’s formulas rebuild skin health with mitochondrial-supporting peptides and natural ingredients, helping Dad fight signs of aging and maintain skin that reflects his vitality.
  • LIFEprint Transform: This hair tissue mineral analysis (HTMA) test, paired with expert coaching, helps rebalance Dad’s metabolism, hormones, adrenals, and energy—with 12 weeks of workouts, three group coaching calls, and lifestyle support.

Whether you’re shopping for your husband, brother, dad, or yourself, this guide is your shortcut to smart, functional gear that fuels long-term strength, clarity, and health.

👉 You can explore the full 2025 Father’s Day Gift Guide here!


📢 This Week in Health & Performance: What the Latest Research Says 🚀

💪 High Protein + Lifting = Fat Loss (Even in a Calorie Surplus): In a 2024 study, participants ate more than maintenance calories but still lost fat when combining a high-protein diet with resistance training—confirming earlier findings that even in an 800-calorie deficit, muscle gain is possible if you lift and eat ~1g/lb protein (study 1, study 2).

🔥 Animal Protein Burns More Calories Than Plant Protein: Eating animal-based protein leads to higher resting energy expenditure and carb oxidation compared to plant-based protein—likely due to better digestion and amino acid availability (read more here).

🥛 Full-Fat Yogurt Doesn’t Harm Heart Health: Forget what you heard about low-fat yogurt being “heart healthy.” A new study shows full-fat yogurt has neutral (and sometimes beneficial) effects on heart health—plus, it tastes way better (read the study here).

⏰ Yes, You Can Build Muscle While Intermittent Fasting: Time-restricted feeding doesn’t limit muscle growth if your calories and protein are high enough and you lift consistently, even while eating in a narrow window (read more here).

🧬 No, Creatine Doesn’t Cause Hair Loss: A new study directly examined hair follicle health during creatine supplementation and found no evidence supporting the myth that creatine leads to hair loss (full study here).

🌳 Exercising Outside Boosts Brain Benefits: Physical activity already improves mood and cognition, but research shows outdoor movement offers an even stronger brain boost than indoor exercise (full study here).

🧠 Your Gut Diversity Impacts Brain Health: A more diverse diet (and gut microbiome) is linked to better memory, slower cognitive decline, and a reduced risk of Alzheimer’s and dementia—especially in older adults (read more here).


Product Of The Week

::: Upgrade Your Nervous System with Truvaga in Just 2 Minutes a Day (And Save $30) :::

What’s one of the most overlooked yet powerful switches in your biology?…

…the vagus nerve, your body’s built-in command center for calm, recovery, and resilience.

You’ve got two gears in your nervous system:

  • Sympathetic (fight or flight)—your high-alert survival mode.
  • Parasympathetic (rest and digest)—your recovery and repair mode.

The problem is, you’re likely stuck in sympathetic overdrive—wired but tired, inflamed, unfocused, and sleep-deprived.

But here’s where Truvaga can help…

I’ve been experimenting with this little pocket-sized tool that delivers gentle, non-invasive stimulation to your vagus nerve, and I have to say, the effects are interesting. I’ve noticed:

✅  Better stress regulation

✅  More clarity and cognitive sharpness

✅  Faster recovery post-workout or post-stress

✅  Deeper, more restorative sleep

It works in just two minutes and feels like a power switch flipping your system into balance. Whether you’re mid-workday and frazzled or winding down at night, Truvaga helps you reset, ground, and perform at your best. Additionally, you can try it risk-free with their 30-day money-back guarantee!

You can click here to try Truvaga and save $30 with code Greenfield30.


🥁 The Fully Updated Boundless Is Here! Get Ready to *Optimize* Your Body, Mind, and Spirit! 📚💪

Boundless RevisedOver the last year, I’ve been working tirelessly on something that I’m thrilled to finally share: the brand-new, updated version of my best-seller, Boundless, which is finally available!

Like a cookbook for the human blueprint, the revised and updated edition of Boundless gives you a zero-guesswork guide to becoming a complete expert in what makes your brain tick, your body work, your spirit happy, and your life fulfilled.

You can flip to *any* chapter and discover the most up-to-date, research-proven, trench-tested techniques to build muscle, burn fat, balance hormones, live longer, sleep better, have mind-blowing sex, and much, much more!

A few of the key topics that the latest version of Boundless explores are:

  • Strategies to optimize mitochondrial density and biogenesis for peak energy and metabolic health.
  • New methods to stimulate the vagus nerve for stress reduction, sleep quality, and higher heart rate variability using light, sound, and electrical interventions.
  • Updated techniques for restoring circadian balance, combating jet lag, and maximizing sleep, naps, and meditation.
  • Insights on the effects of electromagnetic frequencies on the brain and body, with tips on modifying devices for better shielding.
  • The latest on addressing chronic infections, detoxifying from mold, and enhancing gut function with cutting-edge testing and treatments.
  • New supplements, biohacks, and protocols based on recent longevity science, including age-reversal insights.
  • Fresh routines and injury recovery tools, plus minimalist moves to burn fat throughout the day without gym reliance.

If you’re ready to go beyond the quick fixes and reclaim control over your vitality, this is your chance. Packed with insights on everything from breathwork to cold therapy and the latest anti-aging techniques, Boundless will help you build a balanced, sustainable approach to lifelong health. I can’t wait for you to experience everything this guide has to offer!

If you’re ready to discover a treasure trove of the latest science-backed strategies for improving every aspect of your mind, body, and spirit, click here to grab your copy of the newly launched Boundless.


Podcasts I Recorded This Week:

The Crazy Little Mushroom Extract You’ve Never Heard Of (CRUSHES Workouts, Amplifies Deep Sleep & Bulletproofs Your Immune System?) With Dr. Scott Sherr

 

Just Thrive (code BEN), LVLUP Health (code BEN15), Calroy, Sunlighten, and BIOptimizers Mushroom Breakthrough (code BEN10).

 

What Cookware Does Ben Use?, Do You REALLY Need To Avoid Gluten & How To Gain Muscle Fast: Solosode #489

 

Ketone-IQ, Pique, Jaspr (code BEN), Quantum Upgrade (code BEN15), and Manukora (code BEN).

 

 


The Latest Content I Was Featured On This Week:

Men’s Health Australia: Red Light Therapy Legit?





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