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  • Longevity & Metabolic Health

    Should you be taking peptides?

    Longevity, Personal Story, Supplements
    Robin Berzin MD
    July 10, 2024

    Peptides are everywhere in longevity circles right now. I’ve dug into the research — here’s what I actually think works, what’s overhyped, and what I’m Read more

  • Longevity & Metabolic Health

    How to boost your immune system before it fails

    Gut Health, Longevity, Nutrition, Supplements
    Robin Berzin MD
    October 9, 2024

    Can you really boost your immune system with diet and exercise? Here’s what I’m doing to fortify myself for cold and flu season. Read more

  • Longevity & Metabolic Health

    Rich Roll and I get to the root of your “feel like crap”syndrome

    Gut Health, Longevity, Personal Story
    Robin Berzin MD
    December 4, 2024

    If you’ve ever dipped a toe into the worlds of biohacking, veganism, or ultra-endurance sports, you know Rich Roll—the bestselling author and hugely popula Read more

  • Functional medicine changed my life.
    Longevity & Metabolic Health

    Functional medicine changed my life.

    Lab Testing, Longevity, Personal Story
    Robin Berzin MD
    January 8, 2025

    I met functional medicine guru Dr. Mark Hyman before I went to med school. I’ll never forget what he told me: “Don’t get brainwashed.” Read more

  • Longevity & Metabolic Health

    Your comprehensive preventative health checklist.

    Lab Testing, Longevity, Women’s Health
    Robin Berzin MD
    January 22, 2025

    If you’re not testing, you’re not learning. I lost my grandmother to a cancer that was entirely preventable. Here’s the full preventative health checkli Read more

  • Longevity & Metabolic Health

    Is NAD+ the key to energy and longevity?

    Blood Sugar & Metabolism, Longevity, Supplements
    Robin Berzin MD
    March 20, 2025

    Nicotinamide Adenine Dinucleotide (NAD+) plays a key role in cellular energy production and DNA repair. It’s an anti-aging powerhouse. Read more

  • Is “fibermaxxing” the key to slowing aging? 
    Toxins, Nutrition & Modern Exposures

    Is “fibermaxxing” the key to slowing aging? 

    Blood Sugar & Metabolism, Gut Health, Longevity, Nutrition
    Robin Berzin MD
    June 3, 2025

    I don’t normally advise taking medical advice from TikTok but sometimes the algorithm gets it right and boosts a tip with actual evidence behind it—like “f Read more

  • How to slow your aging velocity
    Longevity & Metabolic Health

    How to slow your aging velocity

    Blood Sugar & Metabolism, Exercise, Lab Testing, Longevity
    Robin Berzin MD
    June 10, 2025

    Last week I co-hosted an event for New York’s YPO Women on female longevity at the Parsley Health center in NYC along with two brilliant speakers: nutritio Read more

  • The cold plunge controversy
    Longevity & Metabolic Health

    The cold plunge controversy

    Exercise, Longevity, Supplements
    Robin Berzin MD
    June 17, 2025

    It’s summer and it feels like everyone is installing a cold plunge in their backyard or basement spa Read more

  • Should we all be microdosing GLP-1?
    Longevity & Metabolic Health

    Should we all be microdosing GLP-1?

    Blood Sugar & Metabolism, Longevity, Supplements
    Robin Berzin MD
    July 1, 2025

    If you’re frustrated that your body composition isn’t changing, microdosing GLP-1 might be the key. Read more

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Robin Berzin MD

Robin Berzin MD is the founder of Parsley Health and your guide on the journey to being well.

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