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August 20, 2026

Joint Health 3.0: What to Take When Glucosamine Didn’t Work

You know the twenty minutes. You get out of bed and your knees need most of a cup of coffee before they feel like yours again. You stand up after a lo

August 20, 2026

Native Type II Collagen: The Joint Ingredient That Works Through Your Immune System

You notice it going downstairs. That’s usually where it shows up first, in the specific moment a knee has to bend under load and would rather not. T

Lutein and Zeaxanthin: The Carotenoids That Protect and Perfect Your Skin from Within

When most people think of lutein and zeaxanthin, they picture eye health supplements or leafy green vegetables. But these vibrant carotenoids are now gaining attention for another powerful role: enhancing and protecting the skin from the inside out. With their impressive antioxidant, photoprotective, and skin-brightening properties, lutein and zeaxanthin are essential components of any beauty-from-within strategy. What Are Lutein and Zeaxanthin? Lutein and zeaxanthin are fat-soluble antioxidants from the carotenoid family, naturally found in marigolds, leafy greens like spinach and kale, and colorful fruits and vegetables. These nutrients are not produced by the human body, so they must be obtained through diet or supplementation. What sets them apart is their ability to accumulate in tissues rich in lipids and oxidative stress—like the macula of the eye and the...

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Vitamin C: The Collagen-Stimulating, Skin-Brightening Antioxidant Your Skin Can’t Live Without

When it comes to supporting skin health from the inside out, few nutrients are as essential—or as well-researched—as vitamin C. This water-soluble vitamin, also known as ascorbic acid, plays a crucial role in maintaining youthful, radiant skin. From stimulating collagen production to protecting against environmental damage and evening out skin tone, vitamin C is a cornerstone of any natural beauty strategy. What Is Vitamin C and Why Is It Crucial for Skin? Vitamin C is a potent antioxidant that also functions as a critical cofactor in many enzymatic reactions throughout the body. Humans, unlike most animals, cannot synthesize vitamin C on their own. This means we must obtain it through food or supplementation. In the skin, vitamin C is concentrated in the epidermis and dermis where it supports...

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Eggshell Membrane Collagen: A Natural Ally for Skin, Hair, and Nail Vitality

In the growing world of natural beauty and inside-out skincare, few ingredients offer the versatility and clinical backing of eggshell membrane (ESM) collagen. While it might not be the first compound that comes to mind when you think about radiant skin or strong nails, emerging research shows that this humble, upcycled byproduct is a powerhouse for restoring and maintaining healthy, youthful skin, fuller hair, and resilient nails. What Is Eggshell Membrane Collagen? Eggshell membrane is the thin, filmy layer you find between the shell and the egg white. Though often discarded in food production, it turns out this natural material is packed with biologically active nutrients: multiple types of collagen (I, III, V, X), elastin, hyaluronic acid, glycosaminoglycans (GAGs), and keratin precursors. These are the same building...

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Biotin: The Essential Nutrient for Stronger Hair and Healthier Nails

If you’ve ever scanned the beauty aisle or browsed wellness forums, you’ve probably seen biotin pop up again and again as the go-to vitamin for strong nails and luscious hair. Often referred to as vitamin B7, biotin plays a vital role in the health and resilience of keratin-based structures—including your hair, nails, and skin. But beyond the hype, what does the science say about biotin, and how can you use it effectively to support your natural beauty? What Is Biotin? Biotin is a water-soluble B-complex vitamin that functions as a coenzyme in several essential metabolic reactions. It helps convert carbohydrates, fats, and proteins into usable energy and plays a direct role in the synthesis of fatty acids and amino acids—both critical for the formation of keratin, the...

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RHR: Beauty From Within – Why Radiant Skin, Hair, and Nails Start Inside

In this episode, we discuss: Why internal health is the key to external beauty Biotin – the hair, skin & nails vitamin Vitamin C – the collagen booster and antioxidant Hyaluronic acid for deep hydration from within Rice ceramides for sealing in moisture and smoothing skin Eggshell membrane collagen for stronger skin, fuller hair, and tougher nails Lutein and zeaxanthin – skin’s natural UV shield and glow enhancers Show notes: “Small Intestinal Bacterial Overgrowth in Rosacea: Clinical Effectiveness of Its Eradication” by Parodi et al “Acne vulgaris, probiotics and the gut-brain-skin axis: from anecdote to translational medicine” by W. Bowe and A. Logan “The Gut-Skin Connection: How Altered Gut Function Affects the Skin” by Chris Kresser RHR: Understanding the Gut-Brain-Skin Axis podcast episode “Association of diet with acne vulgaris among adolescents in Ibadan, southwest Nigeria” by Okoro et...

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RHR: Mold, Indoor Air Quality, and Clean Breathing, with Michael Rubino

In this episode, we discuss: Dust as a diagnostic tool and why air testing falls short The concept of clean breathing and what to look for in your home ventilation system DIY testing and first steps to take when you suspect a problem Other harmful contaminants found in homes besides mold How to find a qualified indoor environment professional and avoid costly mistakes   Show notes: [embedded content] Hey everybody, Chris Kresser here. Welcome to another episode of Revolution Health Radio. This week we are going to revisit the topic of indoor air quality. If you’ve been listening to my show for any length of time, you know that this is something I pay a lot of attention to. I’ve struggled with mold related illness myself. I’ve had mold issues in...

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RHR: The Nourishment Table, with Frederic Leroy

In this episode, we discuss: The problem with the reductionist approach to nutrition The importance of animal foods in nutrient density Which nutrients we should be concerned about The suitability of dairy foods Critiques of the NOVA food processing classification system The fake meat failure The role of food fortification Reception and obstacles of The Nourishment Table How to practically apply The Nourishment Table in your everyday life Show notes: [embedded content] Chris Kresser:  Hey, everybody, Chris Kresser here. Welcome to another episode of Revolution Health Radio. If you followed my work for any length of time, you’ll know I’ve been a vocal critic of the US dietary guidelines and the food rating scales that have gone into those guidelines. They are reductionist, they focus too much on the quantity of isolated nutrients, and not...

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Turn ChatGPT Into Your Personal Meal Planner

Even for someone who lives and breathes nutrition, meal planning can feel like a grind. There are weeks when I sit down to plan our family dinners and feel like I’m reinventing the wheel. I want meals that are nutrient-dense, aligned with our dietary framework, seasonally appropriate, and ideally not the same five dishes we had last week. That’s a tall order. Lately, I’ve found a solution that has completely transformed this process: ChatGPT. This article will show you exactly how I use ChatGPT as a meal planning assistant, and how you can create your own personalized version with a simple, copy-paste prompt. The Problem: Meal Planning Fatigue Planning healthy, nourishing meals sounds simple enough. But if you’ve ever tried to do it consistently, you know how quickly it can...

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RHR: Rediscovering Health, Nature, and Purpose-Driven Business, with Seth Spears

In this episode, we discuss: The philosophy of conscious entrepreneurship Taking a healthier approach to dental care The importance of nature to physical and mental health Building resilience through nature and outdoor challenges The role of discomfort in health and growth Combating technology addiction and reclaiming human connection  Show notes: [embedded content] Hey everyone, Chris Kresser here. Welcome to another episode of Revolution Health Radio. This week, I’m excited to welcome Seth Spears as my guest. This will be a different conversation than I typically have on the show. Seth is a business strategist for conscious, purpose-driven entrepreneurs who value mission over margin and purpose over profit. He is an avid outdoors person himself. He’s started several companies in the past, some of which are certified B Corps. They all have a...

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RHR: How to Sharpen and Protect Your Mind for a Lifetime, with Dale Bredesen

In this episode, we discuss: Revolutionizing Alzheimer’s prevention and early detection Blood testing and the four stages of cognitive decline Objective assessment tools for cognitive health Breakthrough results in clinical trials Essential lifestyle interventions: diet, exercise, and sleep The role of supplements and brain stimulation in Alzheimer’s prevention Show notes: [embedded content] Hey everybody, Chris Kresser here. Welcome to another episode of Revolution Health Radio. This week, I’m really excited to welcome Dr. Dale Bredesen back for his third appearance on the show. Many of you, I’m sure, have listened to the first two episodes or are familiar with Dr. Bredesen from other resources. He’s an internationally recognized expert in the mechanisms of neurodegenerative disease like Alzheimer’s and dementia. He graduated from Caltech, then earned his MD from Duke University. He served...

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