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Michael Kummer
Michael Kummer
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Michael Kummer

Michael Kummer is a healthy living enthusiast and CrossFit athlete whose goal is to help people achieve optimal health by bridging the gap between ancestral living and the demands of modern society.

Five Ways Red Light Can Improve Brain Health

Published: Nov 11, 2024Last Modified: Jun 2, 2025 Author: Michael Kummer

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. Here’s an overview of how (and why) it works.

Jaspr Air Purifier Review

Published: Oct 15, 2024Last Modified: Dec 16, 2024 Author: Michael Kummer

Jaspr isn’t cheap, but it’s the most effective residential air purifier I’ve encountered. Just make sure you can stomach the high cost of the filter replacements before buying.

The Best Barefoot Shoes for Everything From CrossFit to Date Night

Published: Oct 10, 2024Last Modified: Nov 16, 2025 Author: Michael Kummer

Barefoot shoes should be flexible with no arch support and a zero-drop heel. These are my favorite options, for everything from CrossFit to date night.

Morozko Forge Cold Plunge Review: Is It Worth the Investment?

Published: Sep 23, 2024Last Modified: Mar 10, 2025 Author: Michael Kummer

Morozko makes premium, hand-crafted cold plunge tubs with powerful cooling capability. They’re hard to beat if you can afford the substantial sticker price.

Plunge Air Review

Published: Sep 17, 2024Last Modified: Jul 30, 2025 Author: Michael Kummer

The tub itself is roomy despite its relatively small footprint, and affordable compared to many other options. But the chiller noise and lack of ozone sanitation are definite drawbacks, as is its inflexible plumbing setup.

Is the Sun Home Saunas Cold Plunge Pro Worth the Price? My Hands-on Review

Published: Sep 17, 2024Last Modified: Mar 10, 2025 Author: Michael Kummer

The Plunge Pro has exceptional cooling ability, forming ice within the tub and consistently holding water at 33 degrees. I also love the fully-integrated design (the chiller is built in), which is a big aesthetic upgrade over most cold plunge tubs I’ve owned.

Cold Plunging Tips, Common Mistakes and FAQs

Published: Aug 22, 2024Last Modified: Jun 7, 2025 Author: Michael Kummer

Cold plunging isn’t supposed to be easy or comfortable, but following these 10 tips will help make the experience bearable, effective and safe.

Cold Plunge Showdown: Plunge Brand’s Top 5 Tubs Compared

Published: Aug 14, 2024Last Modified: Jul 21, 2025 Author: Michael Kummer

Plunge makes some of the highest-quality cold plunging tubs available. Here’s how they stack up against each other, based on their specs and my hands-on testing.

Momentous Grass-Fed Whey Protein Review

Published: Aug 12, 2024Last Modified: Nov 11, 2025 Author: Michael Kummer

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.

The 5 Best Collagen Supplements

Published: Aug 2, 2024Last Modified: Dec 2, 2025 Author: Michael Kummer

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 which one is right for you.

Why Eating Beef Liver Is Good For You

Published: Jul 12, 2024Last Modified: Oct 16, 2025 Author: Michael Kummer

Beef liver’s 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 more.

The 6 Best Bovine Colostrum Supplements

Published: Jul 9, 2024Last Modified: Dec 2, 2025 Author: Michael Kummer

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.

Ampcoil Review: At-Home Personal PEMF and Sound Therapy System

Published: Jul 8, 2024Last Modified: Mar 19, 2025 Author: Michael Kummer

Scientific literature on PEMF supports its potential benefits for pain relief, improved circulation, and faster healing of bone and soft tissue injuries. I can tell you that I felt better after using Ampcoil, but I can’t be certain that the positive outcomes I experienced were because of the device.

The Health Benefits of Cold Plunging

Published: Jun 26, 2024Last Modified: Jun 12, 2025 Author: Michael Kummer

Regular cold plunging can speed up recovery by increasing oxygenated blood flow, improve cardio health through blood vessel constriction and dilation, and even burn fat.

The 10 Best Natural Protein Powders

Published: May 7, 2024Last Modified: Dec 30, 2025 Author: Michael Kummer

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.

Inergize Cold Plunge Review

Published: Apr 19, 2024Last Modified: Sep 4, 2025 Author: Michael Kummer

Despite its relatively minimal footprint, the Inergize Cold Plunge has a surprisingly spacious interior. Paired with a powerful chiller/filtration system, is a great choice for patios, garages and other small spaces.

Ice Barrel 500 Review: Colder for Longer (Even Without a Chiller)

Published: Apr 3, 2024Last Modified: Mar 1, 2026 Author: Michael Kummer

Ice Barrel’s latest model features insulated walls that are dramatically better at keeping water cold, but the integrated seat has some drawbacks (especially for taller people).

Hands-On Ice Barrel 400 Review

Published: Apr 3, 2024Last Modified: Mar 31, 2025 Author: Michael Kummer

The Ice Barrel 400 makes it easy to add cold therapy to your daily routine, but unless you live in a cold climate, you’ll need a dedicated icemaker to keep the water cold.

12 Things to Consider When Buying a Cold Plunge Tub

Published: Mar 30, 2024Last Modified: Apr 16, 2025 Author: Michael Kummer

Cooling performance, filtration capabilities and insulation are critical, but size and portability are two additional factors I only learned to appreciate in hindsight.

SaunaBox Portable Steam Sauna Review

Published: Mar 30, 2024Last Modified: Dec 22, 2025 Author: Michael Kummer

SaunaBox is an affordable, portable way to make sauna bathing part of your routine. It doesn’t get as hot as other saunas, but my testing shows it produces similar cardiovascular results as much hotter units.

DeltaG vs. Ketone-IQ: One Product Was 3X More Effective In Testing

Published: Mar 26, 2024Last Modified: Feb 3, 2026 Author: Michael Kummer

The results of my multi-week experiment show that deltaG is significantly better at increasing blood ketone levels, while also being the more cost effective option after accounting for the amount of BHB in each of the products.

Nutrisense Review: 3 Surprising Things I Learned

Published: Mar 13, 2024Last Modified: Apr 8, 2025 Author: Michael Kummer

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 health.

Noble Beef Protein Powder Review

Published: Mar 6, 2024Last Modified: Dec 30, 2025 Author: Michael Kummer

Noble is one of just a handful of products made from beef protein isolate, the purest form of powdered beef protein. It also contains freeze-dried organ meat and colostrum.

Why Pizza Is Unhealthy

Published: Feb 18, 2024Last Modified: Apr 24, 2025 Author: Michael Kummer

To find out whether pizza is healthy or unhealthy, we have to understand the ingredients that make up this delicious food. In this article, I’ll tell you everything you need to know about pizza and how to enjoy it guilt-free, even if you follow a paleo or ketogenic diet like I do.

Cloud RO Water Filtration System Review & Comparison

Published: Feb 6, 2024Last Modified: Mar 10, 2024 Author: Michael Kummer

Cloud RO is a compact reverse osmosis system that offers above-average flow rate and water pressure, excellent filtration, and a low wastewater ratio.

Best Exogenous Ketone Supplements

Published: Feb 4, 2024Last Modified: Mar 1, 2026 Author: Michael Kummer

This ultimate guide to ketone supplements features the top 7 exogenous ketone supplements based on ingredient quality and effectiveness.

The 2 Best Vegan Meal Replacement Shakes

Published: Jan 23, 2024Last Modified: Mar 6, 2026 Author: Michael Kummer

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 pinch.

Is An Animal Based Diet Healthy?

Published: Jan 20, 2024Last Modified: Feb 3, 2026 Author: Michael Kummer

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.

Sunlighten mPulse Smart Infrared Sauna Review

Published: Jan 16, 2024Last Modified: Jan 9, 2026 Author: Michael Kummer

The Sunlighten mPulse is a full-spectrum infrared sauna that delivers the combined health benefits of near, mid and far infrared radiation. We’ve been using the mPulse since winter of 2022 and in this review, I’ll tell you how this sauna has improved the quality of our lives.

How to Choose a Red Light Therapy Device

Published: Dec 24, 2023Last Modified: Jun 2, 2025 Author: Michael Kummer

Key factors include the type of red light emitted, the intensity of the red light emitted, dosing and ease of use. Here’s everything you need to know to pick the right device for your specific situation.

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© 2026 Michael Kummer

  • Topics
    • Biohacking
    • Cold Plunging
    • Nutrition
    • Red Light Therapy
    • Sauna Therapy
    • Sleep
  • Podcast
  • Supplements
  • Videos
  • Newsletter
  • About
    • About Michael Kummer
    • Meet the Team
    • Editorial Guidelines
    • How We Make Money
    • Partnerships and Advertising
    • Contact
    • Write For Us
    • Terms and Conditions
  • Downloads
    • Animal Based Food List
    • Paleo/Keto Diet Food List
    • Non-Toxic Products (Michael’s Favorites)
    • Gut Healing Guide