Protocols & Guides
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Physician-written protocols and guides on women's hormones, metabolism, longevity, fertility, nutrition, and brain health — from Robin Berzin, MD.
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Email to unlockLongevity & Metabolic HealthFish Oil Is Controversial. Your Omega-3 Index Isn't.
Email to unlockWomen’s Health & HormonesWhy Is Everyone Suddenly Talking About Endometriosis?
Fertility & ParentingOutsmart the Food, Screens, and Chemicals Making Kids Sicker
Fertility & ParentingYour Nervous System Is a Fertility Organ
Fertility & ParentingThe Chemicals in Your Home Are Affecting Your Fertility
Fertility & ParentingIs Your Blood Sugar Killing Your Fertility?
Toxins, Nutrition & Modern ExposuresHow to Choose a Protein Powder That Actually Works
Women’s Health & HormonesVaginal Estrogen: Prevention, Not Last Resort
Women’s Health & HormonesGLP-1s and Libido: What the Research Shows
Women’s Health & HormonesNormal Labs but Still Tired? 7 Root Causes
Women’s Health & HormonesBone Loss, Inflammation & Gut Health: The Missing Link
Women’s Health & HormonesPerimenopause Symptoms: What the Research Shows
Longevity & Metabolic HealthPlasmapheresis for Longevity: What the Research Shows
Women’s Health & HormonesADHD in Women: How Hormones Affect Focus and Diagnosis
Women’s Health & HormonesWhy GLP-1s Underperform Without Estrogen
Fertility & ParentingFertility Over 35: 8 Evidence-Backed Levers
Longevity & Metabolic HealthHow Much Does Vigorous Exercise Really Matter?
Longevity & Metabolic HealthIf You Only Fix One Thing for Longevity, Make It Your Mitochondria.
Longevity & Metabolic HealthBefore You Set Any 2026 Health Goals, Read This
Longevity & Metabolic HealthIs your social life aging you?
Women’s Health & HormonesThe Cortisol Reset Every Woman Needs
Longevity & Metabolic HealthIs Sleep Consistency the Most Overlooked Lever of Longevity?
Longevity & Metabolic HealthWhat a CGM Can Tell You About Your Aging Velocity
Brain, Mood & Nervous SystemHow to Slow Brain Aging Starting in Your 40s
Women’s Health & HormonesIs estrogen the ultimate longevity drug?
Longevity & Metabolic HealthForget Weight—Muscle Mass Is the Real Longevity Metric.
Women’s Health & HormonesTestosterone Therapy Is Trending—But Is It Right For You?
Brain, Mood & Nervous SystemFix Your Metabolism to Improve Mental Health
Longevity & Metabolic HealthMetabolic flexibility: The secret engine behind energy, fat loss, and longevity.
Toxins, Nutrition & Modern ExposuresMold Symptoms: Are Mycotoxins Behind Your Illness?
Longevity & Metabolic HealthHow Do You Actually Know Your Heart Is Healthy?
Longevity & Metabolic Health5 Preventative Tests No One Over 30 Should Skip
Longevity & Metabolic HealthChronological vs. Biological Age: Which One Really Matters?
Longevity & Metabolic HealthChatGPT gave my patient the wrong prescription—here’s what it got right.
Longevity & Metabolic HealthVO₂ max: If you only track one number for healthspan, make it this one
Women’s Health & Hormones100 Essential Labs Every Woman Should Be Tracking
Toxins, Nutrition & Modern ExposuresHow to Pick a Protein Bar That’s Actually Healthy
Women’s Health & Hormones4 fasting for women strategies to optimize longevity
Women’s Health & HormonesMy inside/outside skincare protocol
Longevity & Metabolic HealthIs it worth $2,500 to catch disease before it starts?
Women’s Health & HormonesYour bone density blueprint
Women’s Health & HormonesWhy everyone 30+ needs a DEXA scan
Women’s Health & HormonesWhy so many women are using creatine (including me)
Longevity & Metabolic HealthShould we all be microdosing GLP-1?
Brain, Mood & Nervous SystemThe breathing habit that will transform your health overnight.
Longevity & Metabolic HealthThe cold plunge controversy
Longevity & Metabolic HealthHow to slow your aging velocity
Toxins, Nutrition & Modern ExposuresIs “fibermaxxing” the key to slowing aging?
Toxins, Nutrition & Modern ExposuresMy personal microplastics protocol
Email to unlockToxins, Nutrition & Modern ExposuresMy personal supplement stack.
Toxins, Nutrition & Modern ExposuresAre plant-based meats just ultraprocessed food in disguise?
Women’s Health & HormonesMy cervical cancer scare
Toxins, Nutrition & Modern ExposuresOmega-3 deficiency is as harmful as smoking
Longevity & Metabolic HealthIs NAD+ the key to energy and longevity?
Fertility & ParentingMTHFR mutations can cause anxiety, fatigue and fertility issues. You likely have one.
Toxins, Nutrition & Modern ExposuresBloating and brain fog? You’re probably low in butyrate.
Brain, Mood & Nervous SystemPlant medicine can be a tool, but it’s not a cure.
Longevity & Metabolic HealthYour comprehensive preventative health checklist.
Longevity & Metabolic HealthFunctional medicine changed my life.
Brain, Mood & Nervous SystemThe best “calm tech” to hack your vagus nerve
Longevity & Metabolic HealthRich Roll and I get to the root of your “feel like crap”syndrome
Toxins, Nutrition & Modern ExposuresMy personal Thanksgiving menu
Brain, Mood & Nervous SystemHow to reduce stress in 15-minutes
Toxins, Nutrition & Modern ExposuresAre seed oils toxic to your health?
Longevity & Metabolic HealthHow to boost your immune system before it fails
Women’s Health & HormonesWhat is your vaginal microbiome telling you?
Toxins, Nutrition & Modern ExposuresCan processed & deli meats be healthy?
Toxins, Nutrition & Modern ExposuresShould you get a SIBO test?
Toxins, Nutrition & Modern Exposures10 nutrient-dense snacks I pack on-the-go
Toxins, Nutrition & Modern ExposuresAre you using the right EVOO?
Longevity & Metabolic HealthShould you be taking peptides?
Toxins, Nutrition & Modern Exposures5 Summer Essentials I Can’t Live Without
Longevity & Metabolic HealthRandi Zuckerberg’s Astonishing Marathon Motivation Is the Inspiration I Needed
Brain, Mood & Nervous SystemHow to balance cortisol levels to increase energy and lose weight
Women’s Health & HormonesBrain, bones, booty: 3 things to take care of before you reach menopause.
Brain, Mood & Nervous SystemThe best diet for brain health?
Toxins, Nutrition & Modern ExposuresHow Much Protein Should You Really Be Eating?
Longevity & Metabolic HealthMy personal lab test results—and what I’m doing about it…
Longevity & Metabolic HealthShould we put statins in the water?
Women’s Health & HormonesHow to achieve optimal hormone balance, regardless of age
Women’s Health & HormonesIt’s raining men(opause)
Longevity & Metabolic HealthShould you get a full body MRI?
Longevity & Metabolic HealthHow to prevent cancer at younger ages
Brain, Mood & Nervous SystemNeuroplasticity and the “New Year, New You” Craze
Toxins, Nutrition & Modern ExposuresYou booze, you lose?
Longevity & Metabolic HealthLoooongevity: Which Treatments & Therapeutics Actually Work?
Longevity & Metabolic HealthAll your questions answered about Ozempic and GLP-1s
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