March 6, 2025
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
💡Indoor Lighting Is Wrecking Your Energy, Focus & Sleep—Here's the Fix💡
You probably don’t give it much thought, but the lighting in your home and workspace is quietly messing with your body and brain. Think about it: when you step outside into natural sunlight, you instantly feel more awake, alert, and alive. That’s because light isn’t just about seeing—it also directly impacts your circadian rhythm, hormones, nervous system, and mood.
The artificial lighting most of us rely on to see inside all day and night? It’s doing the exact opposite of natural light. Here’s what’s wrong with typical indoor lighting:
❌ It emits unnatural blue light spikes that suppress melatonin, disrupt your circadian rhythm, and wreck your sleep.
❌ Cheap LEDs and fluorescents can leave you feeling drained, unfocused, and irritable throughout the day.
❌ Harsh flicker and EMFs strain your eyes, overstimulate your nervous system, and contribute to fatigue.
❌ The dull, low-quality light makes colors appear washed out and everything look slightly off.
So what's the solution? Swap the bulbs inside your home. One option is Chromalux® Full-Spectrum Lighting, which for over 60 years has been the gold standard in full-spectrum, neodymium glass lighting. 
Originally developed in Finland to mimic the quality of natural sunlight, these bulbs filter out harsh, dulling frequencies while enhancing color, contrast, and clarity, all while reducing eye strain, flicker, and blue light overload.
🌞 What makes Chromalux® different from typical light bulbs? Chromalux® can help:
✔️Light your home in a way that feels like natural daylight without the junky light side effects of other bulbs.
✔️Reduce eye strain and fatigue for sharper focus and longer productivity.
✔️ Regulate your circadian rhythm for better sleep and natural energy levels.
✔️ Minimize EMF exposure and flicker to keep your nervous system in check.
✔️ Enhance color, contrast, and visibility so everything looks more vibrant and real.
While the wrong kind of light can throw off your sleep, slow your recovery, and make it harder to focus, the right kind of light—like Chromalux®—works with your biology to help you see better, feel better, and function at your best. Make the switch and see the difference for yourself.
Interested in learning more about the impact of different types of light and how I recommend lighting your home? Check out these resources:
- Sunlight Makes You Skinny & Blue Light Makes You Fat: 11 Ways To Biohack Light To Optimize Your Body & Brain.
- How Modern Lighting Can Destroy Your Sleep, Your Eyes & Your Health (& What You Can Do About It).
- Forget Everything You Think You Know About Calories, Eating, ATP & Cellular Energy – How Light Actually Creates Energy In Your Cells.
- Is It Possible To Make Our Screens “Healthier”? The New Blue-Light, Flicker-Free Technology That May Change the Face Of Computing Forever, With Daylight Computer’s Anjan Katta.
- What Time Of Day Can You Eat A “Cheat Meal,” How Cold Can Make You Unstoppable, Lies We’ve Been Led To Believe About Sunlight & Much More!
📢 This Week in Health & Performance: What the Latest Research Says 🚀
- 💪 EAAs vs. Whey for Muscle Growth: A new study suggests that just 1.5 grams of essential amino acids (EAAs) may stimulate muscle protein synthesis as effectively as 15 to 20 grams of whey protein—offering a lower-calorie, easier-to-digest option for muscle maintenance (read more here).
- 🍽️😴 Kiwi for Better Sleep: Struggling to get your kids to sleep? Research shows that eating a kiwi before bed may help improve sleep quality and duration (full study here).
- 🚫💎 The Truth About Oxalates & Kidney Stones: Despite common fears, a diet high in oxalates—like the DASH diet that's rich in nuts, legumes, whole grains, and veggies—has been linked to a 40-50% lower risk of kidney stones, not an increase (read the study).
- 🥗 Macronutrient Balance for Weight Control: A fascinating new analysis suggests the worst macro split for body composition is 15% protein, 40% carbs, and 45% fat. However, effective weight management is possible with either low-carb, low-fat, or high-protein diets—the key is to pick one and stick to it (check out the data here).
Product Of The Week
::: 🧘♂️ Sleep Better & Stress Less With $30 Off This Nervous System Reset Tool :::
Modern life is basically a relentless assault on your nervous system. Stress piles up, sleep gets disrupted, and your energy crashes at the worst times. Your body is supposed to handle this with ease—shifting between high-energy states and deep recovery—but when chronic stress, and overstimulation hijack your system, you get stuck in fight-or-flight mode.
🚨 The result? 
❌ Brain fog and sluggish focus.
❌ Poor recovery and lingering fatigue.
❌ Restless sleep that leaves you dragging.
❌ A stress response that won’t shut off.
The key is tapping into the power of your vagus nerve—your body’s built-in recovery switch. This crucial nerve helps shift you from stress to relaxation, regulates inflammation, and keeps your heart, gut, and brain in sync. One of the fastest, most effective ways to activate it? Truvaga, a cutting-edge vagus nerve stimulator designed to help you shift from wired and overwhelmed to calm, focused, and resilient—anytime, anywhere.
Backed by patented technology and real-world results, Truvaga delivers gentle, non-invasive stimulation that helps:
✔️ Pull your body out of fight-or-flight for immediate stress relief.
✔️ Sharpen focus and mental clarity (goodbye, brain fog).
✔️ Enhance deep, restorative sleep so you wake up energized.
✔️ Accelerate recovery and optimize physical performance.
✔️ Build long-term stress resilience for unstoppable well-being.
This handy stimulator works to make you feel calmer and more focused fast without any drugs, wearables, or complicated protocols. It’s a simple yet powerful tool to help you take control of your nervous system and feel your best whether you're winding down for the night, gearing up for a big performance, or just need to reset in the middle of a hectic day.
Want to try it for yourself?
🛒 Use code GREENFIELD30 here for $30 off any Truvaga stimulator.
Drumroll Please… 🥁 You Can Now PRE-ORDER Your Fully Updated Copy of Boundless to *Optimize* Your Body, Mind, and Spirit! 📚💪
Over 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.
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 uncover a treasure trove of the latest science-backed strategies for improving every aspect of your mind, body, and spirit, you can click this link to pre-order your new updated copy of Boundless.
Unlock Personalized, Data-Driven Insights and Health Coaching Tailored to YOUR Unique Biology 📊
Struggling to make sense of your health and wellness journey?
You’re not alone. The frustration of feeling fatigued, battling brain fog, or hitting a wall with your fitness goals—despite all the trendy diets, supplements, and exercise programs out there—can leave you feeling lost and overwhelmed.
The root problem is often that most one-size-fits-all wellness strategies fail to address your unique biology.
Enter LIFEprints, a comprehensive health optimization system with two tailored options to meet your unique wellness needs.
LIFEprint Discover offers a foundational approach, featuring HTMA (hair tissue mineral analysis) testing, which analyzes the mineral content of your hair to provide a 3–4 month snapshot of your mineral and metabolic status. With a personalized report, you’ll receive a custom health blueprint with targeted supplementation suggestions, along with a one-on-one coaching call to guide you through these insights. You’ll also gain access to a vibrant community of wellness enthusiasts for added support and inspiration.
For a more immersive experience, LIFEprint Transform includes all the benefits of Discover, plus additional resources to help you put your insights into action. It starts with a customized pathway, built through an in-depth questionnaire, that shapes your wellness plan. This includes a nourishing, goal-specific meal plan, expert guidance to integrate new habits smoothly, and a 12-week dynamic movement program. To keep you motivated, Transform offers regular accountability reminders and monthly coaching calls with world-class experts. With Transform, you’ll turn your data into sustainable lifestyle changes by receiving personalized insights and actionable steps to address issues like fatigue, stress, sleep problems, and weight management, helping you optimize energy, focus, and overall wellness for long-term health.
Ready to finally see results that make a difference in how you feel and perform?
You can buy LIFEprints here and discover how truly customized health guidance can transform your life.
Podcasts I Recorded This Week:
BIOptimizers MassZymes (code BEN10), Timeline Nutrition (code BEN), Hiya, SuperTeeth (code GREENFIELD), and Jaspr (code BEN).
Sunlighten, NOVOS (code BEN10), Fatty15 (code BEN), Peluva (code BEN), and LVLUP Health (code BEN15).
The Latest Content I Was Featured On This Week:
Men's Health Australia: Red Light Therapy Legit?
Upcoming Events:
Parker Seminars — Las Vegas, NV: March 20-22, 2025
In a few short weeks, I'll be at Parker Seminars Las Vegas, the premier event for health, human performance, and cutting-edge science, taking place at Caesars Forum. Hear from yours truly plus top experts like Jay Shetty, Andrew Huberman, and Gabrielle Lyon while learning breakthrough strategies in fitness, recovery, mental health, peak performance, and more. Register to save your spot here.
Health Optimisation Summit — Austin. TX: April 12–13, 2025
The Health Optimisation Summit, Europe’s top wellness conference, is making its U.S. debut in Austin, Texas—and I will be there! Join me for a powerful talk and Q&A, plus experience insights from 35 world-class speakers covering everything from nutrition and fitness to longevity and mental health. Explore over 100 exhibitors, test the latest biohacking tech, and connect with 2,000 like-minded attendees. Grab your tickets here.
The Boundless Family Retreat with Ben Greenfield — Crans-Montana, Switzerland: May 28 – June 1, 2025
Join me in the Swiss mountains for a five-day wellness retreat designed to deepen connections, optimize health, and rejuvenate the mind and body. You'll experience daily movement, breathwork, cold plunges, hiking, and hands-on workshops while learning cutting-edge strategies for longevity and stress resilience. Spots are limited—reserve your place here.
Keep up on my LIVE appearances by following bengreenfieldlife.com/calendar!
Kion Product of the Week: Kion Omega Fish Oil
Omega-3 fatty acids are essential for robust health, supporting heart function, cognitive clarity, athletic recovery, and more. If you're not regularly consuming fatty fish like salmon or mackerel, you may be missing out on these vital nutrients.
Unlock the power of omega-3s with Kion Omega Fish Oil, meticulously crafted from sustainably sourced cold-water anchovies. Unlike typical fish oils, Kion Omega promises purity (without the fishy aftertaste) and is rigorously tested for toxins to ensure the utmost quality.
The Kion Advantage:
- High Potency: Each serving delivers 530mg of EPA and 435mg of DHA, providing over 200% of your daily omega-3 needs.
- Superior Absorption: In triglyceride form, Kion Omega ensures up to 70% more absorption compared to other fish oils, optimizing its benefits for your body.
- Antioxidant Protection: Naturally preserved with astaxanthin and organic rosemary leaf extract to maintain freshness and potency.
Click here to elevate your wellness with Kion Omega Fish Oil.
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Cheers,
Ben