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Dr. Mike's Fitness
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Functional Nutrition & Supplements Plant-Based Nutrition Sport Performance

Creatine and Beta-Alanine for Plant-Based Athletes: What’s Worth Supplementing?

Mike Regan Jr. Feb 13, 2026
Exercise & Fitness Health & Lifestyle Sport Performance

Strength Training for Endurance Athletes: What Actually Transfers

Mike Regan Jr. Feb 11, 2026
Exercise & Fitness Functional Nutrition & Supplements Health & Lifestyle Sport Performance

The Hidden Cost of Chronic Energy Deficit in Endurance Athletes

Mike Regan Jr. Feb 10, 2026
Body Composition & Fat Loss Health & Lifestyle Sport Performance

Why Maintenance Calories Matter More Than Fat-Loss Calories

Mike Regan Jr. Feb 8, 2026
Exercise & Fitness Health & Lifestyle

Training for Longevity vs. Aesthetics

Mike Regan Jr. Feb 5, 2026
Functional Nutrition & Supplements Plant-Based Nutrition Sport Performance

Leucine Threshold on a Plant-Forward Diet

Mike Regan Jr. Jan 25, 2026

Learn how hitting the leucine threshold on a plant-forward diet supports muscle protein synthesis and strategies to maximize muscle growth on plant proteins.

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Body Composition & Fat Loss Exercise & Fitness Health & Lifestyle

Why Identity Is the Missing Link in Long-Term Health Change

Mike Regan Jr. Jan 23, 2026

Learn how identity-based behavior change drives long-term success in fitness, nutrition, and health—beyond motivation and willpower.

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Exercise & Fitness Health & Lifestyle Sport Performance

Strength Training Basics: Benefits, Focus, and Options

Mike Regan Jr. Jan 22, 2026

Strength training basics explained—benefits, program focus, and equipment options. Learn why resistance training is essential for health, performance, and longevity.

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Exercise & Fitness Health & Lifestyle Sport Performance

Strength Training During Pregnancy: Safe, Beneficial, and Backed by Science

Mike Regan Jr. Jan 21, 2026

Discover why strength training during pregnancy is safe and beneficial when cleared by a provider, reducing pregnancy symptoms, improving health, and supporting recovery.

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Functional Nutrition & Supplements Health & Lifestyle Sport Performance

The Gut–Muscle Axis: How Microbiome Health Influences Strength and Recovery

Mike Regan Jr. Jan 20, 2026

How the gut–muscle axis influences strength, recovery, inflammation, and training adaptation through microbiome health and metabolic signaling.

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Body Composition & Fat Loss Exercise & Fitness Health & Lifestyle

Sleep Debt Sabotages Fat Loss More Than Diet Mistakes — Here’s Why

Mike Regan Jr. Jan 19, 2026

Sleep debt undermines fat loss more than common diet mistakes. Discover how poor sleep disrupts hormones, metabolism, appetite, and recovery with science-backed insights.

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Body Composition & Fat Loss Exercise & Fitness Health & Lifestyle Sport Performance

Myth: Aerobic Exercise and Weight Loss, the Ultimate Combination

Mike Regan Jr. Jan 18, 2026

Aerobic exercise improves health, but it’s a weak standalone weight-loss strategy. Learn why cardio alone fails—and what evidence-based approaches actually drive fat loss.

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Functional Nutrition & Supplements Plant-Based Nutrition Sport Performance

Creatine for Plant-Based Athletes: Performance, Cognition, and Longevity

Mike Regan Jr. Jan 18, 2026

Creatine for plant-based athletes supports performance, cognitive function, and healthy aging. Learn why supplementation matters when dietary creatine is absent.

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Body Composition & Fat Loss Exercise & Fitness Health & Lifestyle

Cardiorespiratory Fitness and Mortality: Why Fitness Beats Weight Loss

Mike Regan Jr. Jan 17, 2026

Cardiorespiratory fitness is a stronger predictor of mortality than weight loss. Learn why aerobic fitness matters more for longevity and long-term health.

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Functional Nutrition & Supplements Plant-Based Nutrition Sport Performance

Plant-Based Protein Quality: Why PDCAAS & DIAAS Miss the Bigger Picture

Mike Regan Jr. Jan 16, 2026

Explore the limitations of PDCAAS and DIAAS for plant-based proteins and learn a more practical, performance-aligned view of plant-based protein quality for fitness and health.

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Body Composition & Fat Loss Exercise & Fitness Health & Lifestyle

The Psychological Cost of Chronic Dieting in Fitness-Focused Adults

Mike Regan Jr. Jan 15, 2026

Chronic dieting may undermine mental health, performance, and long-term body composition. Learn the psychological cost of chronic dieting in fitness-focused adults and evidence-based alternatives.

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Exercise & Fitness Health & Lifestyle Sport Performance

VO₂max for Longevity: Why Your Cardiorespiratory Fitness Predicts Lifespan and Healthspan

Mike Regan Jr. Jan 14, 2026

Explore why a higher VO₂max — your body’s ability to use oxygen — is one of the strongest predictors of health and lifespan, how to improve it, and how it…

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Functional Nutrition & Supplements Plant-Based Nutrition Sport Performance

Plant-Based Diets and Iron Status in Athletes: Separating Myth From Mechanism

Mike Regan Jr. Jan 14, 2026

Are plant-based diets and iron status in athletes something to worry about? Explore iron status, absorption mechanisms, and performance implications backed by science.

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Exercise & Fitness Health & Lifestyle Sport Performance

Heart Rate Variability (HRV): Useful Tool or Overhyped Metric?

Mike Regan Jr. Jan 13, 2026

Heart rate variability (HRV) is everywhere in fitness—but is it truly useful or just overhyped? Learn when HRV matters and when it doesn’t.

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Body Composition & Fat Loss Exercise & Fitness Health & Lifestyle

Motivation and Fitness Success: Why Motivation Alone Isn’t Enough

Mike Regan Jr. Jan 12, 2026

Why motivation and fitness success are not always congruent? Discover how habits, consistency, and systems are the real drivers of lasting health and performance.

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Author Details

Dr. Mike Regan Jr.

Dr. Mike Regan Jr.

Dr. Mike is a plant-based fitness and nutrition coach, professor, and lifelong mountain biker. He blends evidence-based training with holistic nutrition to help people build strength, improve performance, and live healthier lives. Follow the blog for practical, science-backed tips you can use every day.

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    • Body Composition & Fat Loss
    • Exercise & Fitness
    • Functional Nutrition & Supplements
    • Health & Lifestyle
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    Featured Posts

    Creatine and Beta-Alanine for Plant-Based Athletes: What’s Worth Supplementing?

    Feb 13, 2026
    Strength Training for Endurance Athletes: What Actually Transfers
    Feb 11, 2026
    The Hidden Cost of Chronic Energy Deficit in Endurance Athletes
    Feb 10, 2026
    Why Maintenance Calories Matter More Than Fat-Loss Calories
    Feb 8, 2026
    Training for Longevity vs. Aesthetics
    Feb 5, 2026

    About Dr. Mike

    Dr. Mike is a professor, mountain biker, and plant-based fitness and nutrition coach dedicated to helping people transform their health through sustainable habits. With a PhD and years of experience in both academic and coaching settings, he combines research-driven insights with real-world training strategies. Dr. Mike’s Fitness offers practical, informative articles along with personalized coaching to support strength, performance, and long-term well-being.

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