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  • Longevity & Metabolic Health

    Should we put statins in the water?

    Blood Sugar & Metabolism, Lab Testing, Longevity
    Robin Berzin MD
    March 20, 2024

    Here’s what I’m advising my patients on statins — and why. The evidence is more nuanced than your cardiologist may have suggested, especially for women. Read more

  • Toxins, Nutrition & Modern Exposures

    How Much Protein Should You Really Be Eating?

    Blood Sugar & Metabolism, Exercise, Nutrition, Women’s Health
    Robin Berzin MD
    April 17, 2024

    How much protein should I really eat? And practically speaking, how on earth do you eat that much protein in a day even if you want to? Read more

  • Brain, Mood & Nervous System

    How to balance cortisol levels to increase energy and lose weight

    Blood Sugar & Metabolism, Hormones, Mental Health, Sleep
    Robin Berzin MD
    May 29, 2024

    Treating patients’ health issues from weight gain to infertility often includes a plan to balance cortisol levels. Here’s what you can do. Read more

  • Toxins, Nutrition & Modern Exposures

    Are you using the right EVOO?

    Blood Sugar & Metabolism, Nutrition, Toxins & Environment
    Robin Berzin MD
    July 24, 2024

    I treat EVOO like a supplement. But if your olive oil is fake, you’re missing out on key health benefits. Here’s what to know. Read more

  • Toxins, Nutrition & Modern Exposures

    Bloating and brain fog? You’re probably low in butyrate. 

    Blood Sugar & Metabolism, Brain Health, Gut Health, Nutrition
    Robin Berzin MD
    February 19, 2025

    Increasing butyrate, a short-chain fatty acid, is key for the function of your metabolism, immune system and gut barrier. 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

  • 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

  • VO₂ max: If you only track one number for healthspan, make it this one
    Longevity & Metabolic Health

    VO₂ max: If you only track one number for healthspan, make it this one

    Blood Sugar & Metabolism, Exercise, Lab Testing, Longevity
    Robin Berzin MD
    September 9, 2025

    VO₂ max—the maximum amount of oxygen your body can use during exercise—is one of the strongest predictors of how long (and well) you’ll live. 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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