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  • How to Choose a Protein Powder That Actually Works
    Toxins, Nutrition & Modern Exposures

    How to Choose a Protein Powder That Actually Works

    Exercise, Nutrition, Supplements, Women’s Health
    Robin Berzin MD
    April 21, 2026

    I make a protein smoothie 4–5 times a week. Here’s what most people — and a major smoothie chain CEO — don’t know about what’s actually in their powder. Read more

  • Are plant-based meats just ultraprocessed food in disguise?
    Toxins, Nutrition & Modern Exposures

    Are plant-based meats just ultraprocessed food in disguise?

    Gut Health, Nutrition, Toxins & Environment
    Robin Berzin MD
    April 30, 2025

    I get a lot of questions about plant-based meats. Are they good for you or are they just a toxic stew of fillers? Read more

  • Can processed & deli meats be healthy?
    Toxins, Nutrition & Modern Exposures

    Can processed & deli meats be healthy?

    Blood Sugar & Metabolism, Gut Health, Nutrition, Toxins & Environment
    Robin Berzin MD
    September 4, 2024

    Here’s my controversial take: When eaten the right way, deli meat is a great source of protein and healthy fat. Read more

  • 10 nutrient-dense snacks I pack on-the-go
    Toxins, Nutrition & Modern Exposures

    10 nutrient-dense snacks I pack on-the-go

    Blood Sugar & Metabolism, Gut Health, Nutrition
    Robin Berzin MD
    August 7, 2024

    Eating healthy when you’re traveling feels impossible, I know. These are the nutrient-dense snacks I throw in my bag to avoid feeling bloated and foggy. Read more

  • Omega-3 deficiency is as harmful as smoking
    Toxins, Nutrition & Modern Exposures

    Omega-3 deficiency is as harmful as smoking

    Blood Sugar & Metabolism, Brain Health, Nutrition, Supplements
    Robin Berzin MD
    April 2, 2025

    Supplementing with omega-3s is one of the most powerful things you can do for longevity, heart health, and slowing biological aging. Read more

  • Are seed oils toxic to your health?
    Toxins, Nutrition & Modern Exposures

    Are seed oils toxic to your health?

    Blood Sugar & Metabolism, Gut Health, Nutrition, Toxins & Environment
    Robin Berzin MD
    October 23, 2024

    Are seed oils toxic like everyone says? It depends on how you eat them. Here’s everything you need to know. Read more

  • How to Pick a Protein Bar That’s Actually Healthy
    Toxins, Nutrition & Modern Exposures

    How to Pick a Protein Bar That’s Actually Healthy

    Blood Sugar & Metabolism, Gut Health, Nutrition, Supplements
    Robin Berzin MD
    August 21, 2025

    Most protein bars are ultra-processed junk in disguise. Here’s what to avoid, the 4 bars I actually recommend, and why ingredients matter more than the ma 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

    The best diet for brain health?

    Brain Health, Gut Health, Longevity, Nutrition
    Robin Berzin MD
    May 2, 2024

    To have the healthiest mind, growing evidence shows the best diet for brain health is the Mediterranean diet. 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

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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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