Health Articles
Featured Articles
The 8 Core Pillars of a Healthy Lifestyle
Living a healthy lifestyle in a world full of stressors, unhealthy foods and environmental…
Health Benefits of Eating Organ Meat
Organ meats are a nutritional powerhouse that offer numerous health benefits. Here are the…
12 Factors That Determine Whether Youโre Metabolically Healthy
Good metabolic health is critical for overall health and well-being, because when your metabolism…
Plants vs. Meat: Why I Stopped Eating Veggies
In this article, Iโll talk about the scientific rationale behind having removed most plant…
Why You Should Avoid Xenoestrogens
Xenoestrogens are chemicals found in plastic (and other everyday products) that leach into our…
biohacking
OneSkin Review (With Before and After Pics)
Using OneSkin for just over a month noticeably improved my skin’s appearance, making it smoother, softening my fine lines, and reducing my number and intensity of age spots.
Pulsetto Review: Doctored Research and No Results
Pulsetto used a plagiarized academic study with false information to promote its stress relief product, including a doctored diagram and a fake statement about having funded the research. It also…
Ultrahuman Ring Air vs. Oura Ring Gen 4
Ultrahuman isn’t as well known, but my testing shows it’s at least as accurate as Oura Ring โ and it doesn’t require a monthly subscription.
Five Ways Red Light Can Improve Brain Health
Research shows red light therapy is a safe and effective way to support brain health, improving mood, bolstering cognitive performance and supporting recovery from trauma. Hereโs an overview of how…
Ampcoil Review: At-Home Personal PEMF and Sound Therapy System
Scientific literature on PEMF supports its potential benefits for pain relief, improved circulation, and faster healing of bone and soft tissue injuries.ย I can tell you that I felt better after…
Muse S Review: A brain-sensing headband that changed my views on meditation
Muse S is a brain-sensing headband that gives you real-time biofeedback on your brain activity during meditation sessions. Itโs also an accurate sleep tracker, thanks to the built-in EEG. In…
Nutrisense Review: 3 Surprising Things I Learned
Nutrisense is a continuous glucose monitoring platform that helps you understand how your body reacts to food, exercise and other variables. It’s an expensive but powerful tool for optimizing your…
WHOOP vs Apple Watch for Fitness and Sleep Tracking
Iโve been wearing an Apple Watch since Day 1 and a WHOOP strap since early 2019. I still wear both devices. In this article, I explain why that is and…
Young Goose Skincare Review
I used two Young Goose products โ their C.A.R.E. Moisturizer and Hyperbaric Mask โ for eight weeks. Here are my test results, with before and after pictures to show the…
Does Apollo Neuro Work?
Here’s what the scientific research says about whether Apollo Neuro actually works, as well as a summary of how that research aligns with my own experience using the vibration-based wearable…
Lumen Review: Valuable Insights With a High Price Tag
Lumen is a device that promises to improve your metabolic flexibility. I tested the metabolism tracker to find out if it really works, and to see how itโs different from…
How To Increase Your HRV
Here are 14 easy-to-apply hacks Iโve used over the past few years to increase my HRV by 50%.
WHOOP 4.0 Review
Hands-on review of the WHOOP Strap 4.0 from the perspective of an amateur CrossFit athlete, and a comparison with the WHOOP 3.0, Apple Watch, Biostrap and Oura Ring.
How Accurate Is WHOOP for HR, Calorie Burn & Sleep Tracking?
To find out exactly how accurate the WHOOP strap is, I’ve worn it together with a chest strap heart rate monitor. The results might surprise you!
Nutrition
Carnivore Bar Review
In this article: Key facts about Carnivore BarIngredients and nutritional analysisMy team’s review of the taste and textureHow I leverage Carnivore BarsHow they compare to other productsCost and discount codeFinal…
Bison vs Beef – A Nutrient Comparison With Lab Analysis
In this article: Bison vs Beef Nutrient ComparisonMacronutrientsMicronutrientsOur lab testing resultsBison’s benefits and downsidesGrass-Fed vs. Grass-Finished vs. Grain-FinishedFinal Verdict and Key Takeaways At the Kummer household, we consume more than…
Why Red Meat Isnโt Bad For Your Health
The nutritional world is full of dogma and misinformation, and it seems like new studies come out daily that provide often conflicting information about what foods are good and bad…
The Best Beef Protein Powders
Beef protein has an incredible amino acid and micronutrient profile, but finding a product that’s free of junk fillers and sweeteners is no easy task. These are my favorite options…
The 5 Best Collagen Supplements
These are the best collagen supplements I’ve found after years of first-hand experience, testing and research, along with a brief description of the most important factors to consider when deciding…
Why Eating Beef Liver Is Good For You
Beef liverโs diverse micronutrient profile provides the building blocks for a wide range of bodily functions, including support for the metabolism, immune system, skin, eyes, reproductive organs, mental health and…
The 6 Best Bovine Colostrum Supplements
Bovine colostrum can play a key role in improving gut health, immune function and more. These are my favorite products based on their ingredient profile, cost and dosage.
The 10 Best Natural Protein Powders
Most protein powders are full of junk like synthetic ingredients, fillers and flow agents. These are the ones I use, and the ones I feel comfortable giving to my kids.
Why Pizza Is Unhealthy
To find out whether pizza is healthy or unhealthy, we have to understand the ingredients that make up this delicious food. In this article, Iโll tell you everything you need…
Best Exogenous Ketone Supplements (2025 Update)
This ultimate guide to ketone supplements features the top 7 exogenous ketone supplements based on ingredient quality and effectiveness.
The 4 Best Vegan Meal Replacement Shakes (2025 Update)
Most of the vegan meal replacement drinks on the market contain unhealthy ingredients and junk like artificial sweeteners. Here are four healthy options for when you need calories in a…
Is An Animal Based Diet Healthy?
Following an animal-based diet gives your body all the macronutrients and micronutrients it needs to thrive, and can be surprisingly flexible and easy to implement.
Carnivore Diet And Fiber: What You Need to Know
Animal-based diets like carnivore don’t include much (if any) fiber. Here’s why that not a problem when it comes to gut health, weight loss, blood pressure and more.
The 7 Best Keto Meal Replacement Shakes (2025 Update)
These keto meal replacement shakes are high in fat, low in carbs, and free of junk ingredients like artificial sweeteners. (I’ve also included a few high-protein options for those specifically…
fitness
What to Eat Before and After a CrossFit Workout
For most people, what you eat matters more than when you eat. But keeping a few key facts in mind can help you maximize your workout benefits.
How Ketones Affect Exercise Performance and Recovery
Scientific research has shown that supplementing with ketone monoesters can improve athletic performance and speed up recovery. However, these effects appear to be highly context-dependent.ย
Momentous Grass-Fed Whey Protein Review
Momentous claims to have created the highest quality protein powder on the market. I’ve tested Momentous to find out if this protein supplement is as good as the manufacturer claims.
CAROL Bike Review (After Five Years of Use)
CAROL is a reduced exertion high-intensity interval training (REHIT) bike that I’ve used since 2019 to improve my cardiorespiratory fitness.
Theragun Review
Hands-on review of the Theragun Elite percussion massage gun and a comparison to Theragun PRO, Hypervolt and others.
How to Improve Muscle Recovery
Studies have shown that consuming a 1:1 ratio of fat and protein before or after physical activity can speed up muscle recovery while carbs often have the opposite effect.
PowerDot Review: Faster Recovery After Intense Workouts
PowerDot 2.0 is an electric muscle stimulator (EMS) that has been scientifically proven to reduce pain, speed up recovery times and improve strength and conditioning. In this review, Iโll tell…
Victory Grips Review
Iโve been a long-time fan of Bear KompleX gymnastic grips. But I recently switched to Victory Grips for CrossFit workouts because I consider them the absolute best and most comfortable…
How to Recover Faster After Intense Workouts
A tough workout adds stress to your body and causes muscle tissue to break down. In other words, working out hard makes you weaker โ at least, temporarily. It’s what’s…
What’s the Best Diet to Improve Endurance and Strength?
Insight into what’s the best diet to improve strength and endurance, and if carbs or fat are better sources of fuel for CrossFit, weightlifting and running.
Pre-Workout Ingredients Review
Analysis of pre-workout ingredients based on the latest scientific research. Find out what pre-workouts can help you boost performance and build muscle.
Best Natural Pre-Workout Supplements Review
Check out some of the best pre-workout supplements that can boost your performance and endurance during intensive workouts.
What to Drink Before, During and After a Workout
Proper hydration and smart supplement choices can make or break your workout performance. From pre-workout caffeine and BCAAs to water and electrolytes during your session, this guide covers exactly what…
Barehand Workout Gloves Review & Comparison
I do CrossFit and continuously build up hand calluses from weightlifting. During high-rep bodyweight exercises, such as pull-ups and toes-to-bar, those calluses increase the risk of blisters andย skin tears, and…
SLEEP
The 5 Best Sleep Trackers
A look behind the technologies used in the best sleep trackers and the reasons why most sleep monitors can’t accurately detect when you’re sleeping.
The Best Bed Cooling Systems: Eight Sleep vs. Chilipad, BedFan
Water-based bed cooling systems like Eight Sleep provide precise temperature control and can adapt to your bodyโs needs throughout the night, while bed fans serve as a simpler, cheaper and…
Eight Sleep Pod 4 Review
Our sleep quality has improved dramatically thanks to Eight Sleep, and we continue to use the system after 4 years. But the newest version has a number of serious downsides…
Muse S Review: A brain-sensing headband that changed my views on meditation
Muse S is a brain-sensing headband that gives you real-time biofeedback on your brain activity during meditation sessions. Itโs also an accurate sleep tracker, thanks to the built-in EEG. In…
Does Apollo Neuro Work?
Here’s what the scientific research says about whether Apollo Neuro actually works, as well as a summary of how that research aligns with my own experience using the vibration-based wearable…
Bon Charge Blue Light Blocking Glasses Review
Blue light blocking glasses from BON CHARGE filter out 100% of the light frequencies that have been scientifically shown to disrupt the release of melatonin and harm your sleep.
CUBE SLEEP SYSTEM Cooling Mattress Pad Review
Incorporating a bed cooling solution into our sleep routine has been an absolute game-changer for both my wife and I, leading to measurable improvements in our sleep quality. In this…
Carbon Air Pillow by Eight Sleep Review
The Carbon Air Pillow by Eight Sleep is an advanced cooling pillow that uses perforated, carbon-infused memory foam to prevent the surface of the pillow from heating up, thus improving…
![Why You Can't Fall Asleep Even When You're Tired [Top 7 Reasons ]](https://cdn.michaelkummer.com/wp-content/uploads/2019/10/Woman-with-insomnia-copy.jpg?strip=all&lossy=1&ssl=1)
Why You Might Have Trouble Falling Asleep
Here are the top 7 reasons why you can’t fall asleep even when you’re tired โ plus tips and tricks that can help you to fall asleep quicker.
How To Sleep Better And Fall Asleep Quicker
Sleeping well is an acquired skill. In this guide I’ll tell you everything you need to know about how to fall asleep quicker and get more restorative sleep.
Recipes
Keto/Paleo Liver Pate Recipe
This keto and paleo-friendly liver pรขtรฉ takes less than 10 minutes to prepare and youโll love it even if you donโt like the taste of liver.
Keto Coconut Milk Chia Pudding Recipe
This delicious keto coconut milk chia pudding recipe requires only two ingredients and it takes less than 5 minutes to prepare. Additionally, you can easily modify it to your likings…
Keto Fat Bombs Recipe
A delicious recipe for keto fat bombs that don’t require any baking and take less than 10 minutes to prepare. They’re also paleo and gluten-free.