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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Your Nervous System Is a Fertility Organ editorial cut-paper collage illustration Fertility & Parenting

Your Nervous System Is a Fertility Organ

June 26, 2026

The Chemicals in Your Home Are Affecting Your Fertility editorial cut-paper collage illustration Fertility & Parenting

The Chemicals in Your Home Are Affecting Your Fertility

June 25, 2026

Is Your Blood Sugar Killing Your Fertility? editorial cut-paper collage illustration Fertility & Parenting

Is Your Blood Sugar Killing Your Fertility?

June 24, 2026

How to Choose a Protein Powder That Actually Works editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

How to Choose a Protein Powder That Actually Works

April 21, 2026

Vaginal Estrogen: Prevention, Not Last Resort editorial cut-paper collage illustration Women’s Health & Hormones

Vaginal Estrogen: Prevention, Not Last Resort

April 15, 2026

GLP-1s and Libido: What the Research Shows editorial cut-paper collage illustration Women’s Health & Hormones

GLP-1s and Libido: What the Research Shows

April 7, 2026

Normal Labs but Still Tired? 7 Root Causes editorial cut-paper collage illustration Women’s Health & Hormones

Normal Labs but Still Tired? 7 Root Causes

March 31, 2026

Bone Loss, Inflammation & Gut Health: The Missing Link editorial cut-paper collage illustration Women’s Health & Hormones

Bone Loss, Inflammation & Gut Health: The Missing Link

March 24, 2026

Perimenopause Symptoms: What the Research Shows editorial cut-paper collage illustration Women’s Health & Hormones

Perimenopause Symptoms: What the Research Shows

March 22, 2026

Plasmapheresis for Longevity: What the Research Shows editorial cut-paper collage illustration Longevity & Metabolic Health

Plasmapheresis for Longevity: What the Research Shows

March 14, 2026

ADHD in Women: How Hormones Affect Focus and Diagnosis editorial cut-paper collage illustration Women’s Health & Hormones

ADHD in Women: How Hormones Affect Focus and Diagnosis

March 6, 2026

Why GLP-1s Underperform Without Estrogen editorial cut-paper collage illustration Women’s Health & Hormones

Why GLP-1s Underperform Without Estrogen

February 26, 2026

Fertility Over 35: 8 Evidence-Backed Levers editorial cut-paper collage illustration Fertility & Parenting

Fertility Over 35: 8 Evidence-Backed Levers

January 29, 2026

How Much Does Vigorous Exercise Really Matter? editorial cut-paper collage illustration Longevity & Metabolic Health

How Much Does Vigorous Exercise Really Matter?

January 13, 2026

If You Only Fix One Thing for Longevity, Make It Your Mitochondria. editorial cut-paper collage illustration Longevity & Metabolic Health

If You Only Fix One Thing for Longevity, Make It Your Mitochondria.

January 6, 2026

Before You Set Any 2026 Health Goals, Read This editorial cut-paper collage illustration Longevity & Metabolic Health

Before You Set Any 2026 Health Goals, Read This

December 23, 2025

Is your social life aging you? editorial cut-paper collage illustration Longevity & Metabolic Health

Is your social life aging you?

December 16, 2025

The Cortisol Reset Every Woman Needs editorial cut-paper collage illustration Women’s Health & Hormones

The Cortisol Reset Every Woman Needs

December 9, 2025

Is Sleep Consistency the Most Overlooked Lever of Longevity? editorial cut-paper collage illustration Longevity & Metabolic Health

Is Sleep Consistency the Most Overlooked Lever of Longevity?

December 2, 2025

What a CGM Can Tell You About Your Aging Velocity editorial cut-paper collage illustration Longevity & Metabolic Health

What a CGM Can Tell You About Your Aging Velocity

November 25, 2025

How to Slow Brain Aging Starting in Your 40s editorial cut-paper collage illustration Brain, Mood & Nervous System

How to Slow Brain Aging Starting in Your 40s

November 20, 2025

Is estrogen the ultimate longevity drug? editorial cut-paper collage illustration Women’s Health & Hormones

Is estrogen the ultimate longevity drug?

November 11, 2025

Forget Weight—Muscle Mass Is the Real Longevity Metric. editorial cut-paper collage illustration Longevity & Metabolic Health

Forget Weight—Muscle Mass Is the Real Longevity Metric.

November 4, 2025

Testosterone Therapy Is Trending—But Is It Right For You? editorial cut-paper collage illustration Women’s Health & Hormones

Testosterone Therapy Is Trending—But Is It Right For You?

October 28, 2025

Fix Your Metabolism to Improve Mental Health editorial cut-paper collage illustration Brain, Mood & Nervous System

Fix Your Metabolism to Improve Mental Health

October 23, 2025

Metabolic flexibility: The secret engine behind energy, fat loss, and longevity. editorial cut-paper collage illustration Longevity & Metabolic Health

Metabolic flexibility: The secret engine behind energy, fat loss, and longevity.

October 21, 2025

Mold Symptoms: Are Mycotoxins Behind Your Illness? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Mold Symptoms: Are Mycotoxins Behind Your Illness?

October 14, 2025

How Do You Actually Know Your Heart Is Healthy? editorial cut-paper collage illustration Longevity & Metabolic Health

How Do You Actually Know Your Heart Is Healthy?

October 7, 2025

5 Preventative Tests No One Over 30 Should Skip editorial cut-paper collage illustration Longevity & Metabolic Health

5 Preventative Tests No One Over 30 Should Skip

September 30, 2025

Chronological vs. Biological Age: Which One Really Matters? editorial cut-paper collage illustration Longevity & Metabolic Health

Chronological vs. Biological Age: Which One Really Matters?

September 23, 2025

ChatGPT gave my patient the wrong prescription—here’s what it got right. editorial cut-paper collage illustration Longevity & Metabolic Health

ChatGPT gave my patient the wrong prescription—here’s what it got right.

September 16, 2025

VO₂ max: If you only track one number for healthspan, make it this one editorial cut-paper collage illustration Longevity & Metabolic Health

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

September 9, 2025

100 Essential Labs Every Woman Should Be Tracking editorial cut-paper collage illustration Women’s Health & Hormones

100 Essential Labs Every Woman Should Be Tracking

September 2, 2025

How to Pick a Protein Bar That’s Actually Healthy editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

How to Pick a Protein Bar That’s Actually Healthy

August 21, 2025

4 fasting for women strategies to optimize longevity editorial cut-paper collage illustration Women’s Health & Hormones

4 fasting for women strategies to optimize longevity

August 12, 2025

My inside/outside skincare protocol editorial cut-paper collage illustration Women’s Health & Hormones

My inside/outside skincare protocol

August 5, 2025

Is it worth $2,500 to catch disease before it starts? editorial cut-paper collage illustration Longevity & Metabolic Health

Is it worth $2,500 to catch disease before it starts?

July 29, 2025

Your bone density blueprint editorial cut-paper collage illustration Women’s Health & Hormones

Your bone density blueprint

July 22, 2025

Why everyone 30+ needs a DEXA scan editorial cut-paper collage illustration Women’s Health & Hormones

Why everyone 30+ needs a DEXA scan

July 15, 2025

Why so many women are using creatine (including me) editorial cut-paper collage illustration Women’s Health & Hormones

Why so many women are using creatine (including me)

July 8, 2025

Should we all be microdosing GLP-1? editorial cut-paper collage illustration Longevity & Metabolic Health

Should we all be microdosing GLP-1?

July 1, 2025

The breathing habit that will transform your health overnight. editorial cut-paper collage illustration Brain, Mood & Nervous System

The breathing habit that will transform your health overnight.

June 24, 2025

The cold plunge controversy editorial cut-paper collage illustration Longevity & Metabolic Health

The cold plunge controversy

June 17, 2025

How to slow your aging velocity editorial cut-paper collage illustration Longevity & Metabolic Health

How to slow your aging velocity

June 10, 2025

Is “fibermaxxing” the key to slowing aging?  editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Is “fibermaxxing” the key to slowing aging? 

June 3, 2025

My personal microplastics protocol editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

My personal microplastics protocol

May 28, 2025

My personal supplement stack. editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

My personal supplement stack.

May 14, 2025

Are plant-based meats just ultraprocessed food in disguise? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Are plant-based meats just ultraprocessed food in disguise?

April 30, 2025

My cervical cancer scare editorial cut-paper collage illustration Women’s Health & Hormones

My cervical cancer scare

April 16, 2025

Omega-3 deficiency is as harmful as smoking editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Omega-3 deficiency is as harmful as smoking

April 2, 2025

Is NAD+ the key to energy and longevity? editorial cut-paper collage illustration Longevity & Metabolic Health

Is NAD+ the key to energy and longevity?

March 20, 2025

MTHFR mutations can cause anxiety, fatigue and fertility issues. You likely have one. editorial cut-paper collage illustration Fertility & Parenting

MTHFR mutations can cause anxiety, fatigue and fertility issues. You likely have one.

March 5, 2025

Bloating and brain fog? You’re probably low in butyrate.  editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

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

February 19, 2025

Plant medicine can be a tool, but it’s not a cure. editorial cut-paper collage illustration Brain, Mood & Nervous System

Plant medicine can be a tool, but it’s not a cure.

February 6, 2025

Your comprehensive preventative health checklist. editorial cut-paper collage illustration Longevity & Metabolic Health

Your comprehensive preventative health checklist.

January 22, 2025

Functional medicine changed my life. editorial cut-paper collage illustration Longevity & Metabolic Health

Functional medicine changed my life.

January 8, 2025

The best “calm tech” to hack your vagus nerve editorial cut-paper collage illustration Brain, Mood & Nervous System

The best “calm tech” to hack your vagus nerve

December 18, 2024

Rich Roll and I get to the root of your “feel like crap”syndrome editorial cut-paper collage illustration Longevity & Metabolic Health

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

December 4, 2024

My personal Thanksgiving menu editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

My personal Thanksgiving menu

November 26, 2024

How to reduce stress in 15-minutes editorial cut-paper collage illustration Brain, Mood & Nervous System

How to reduce stress in 15-minutes

November 6, 2024

Are seed oils toxic to your health? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Are seed oils toxic to your health?

October 23, 2024

How to boost your immune system before it fails editorial cut-paper collage illustration Longevity & Metabolic Health

How to boost your immune system before it fails

October 9, 2024

What is your vaginal microbiome telling you? editorial cut-paper collage illustration Women’s Health & Hormones

What is your vaginal microbiome telling you?

September 18, 2024

Can processed & deli meats be healthy? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Can processed & deli meats be healthy?

September 4, 2024

Should you get a SIBO test? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Should you get a SIBO test?

August 21, 2024

10 nutrient-dense snacks I pack on-the-go editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

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

August 7, 2024

Are you using the right EVOO? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

Are you using the right EVOO?

July 24, 2024

Should you be taking peptides? editorial cut-paper collage illustration Longevity & Metabolic Health

Should you be taking peptides?

July 10, 2024

5 Summer Essentials I Can’t Live Without editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

5 Summer Essentials I Can’t Live Without

June 26, 2024

Randi Zuckerberg’s Astonishing Marathon Motivation Is the Inspiration I Needed editorial cut-paper collage illustration Longevity & Metabolic Health

Randi Zuckerberg’s Astonishing Marathon Motivation Is the Inspiration I Needed

June 12, 2024

How to balance cortisol levels to increase energy and lose weight editorial cut-paper collage illustration Brain, Mood & Nervous System

How to balance cortisol levels to increase energy and lose weight

May 29, 2024

Brain, bones, booty: 3 things to take care of before you reach menopause.  editorial cut-paper collage illustration Women’s Health & Hormones

Brain, bones, booty: 3 things to take care of before you reach menopause. 

May 15, 2024

The best diet for brain health? editorial cut-paper collage illustration Brain, Mood & Nervous System

The best diet for brain health?

May 2, 2024

How Much Protein Should You Really Be Eating? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

How Much Protein Should You Really Be Eating?

April 17, 2024

My personal lab test results—and what I’m doing about it… editorial cut-paper collage illustration Longevity & Metabolic Health

My personal lab test results—and what I’m doing about it…

April 3, 2024

Should we put statins in the water? editorial cut-paper collage illustration Longevity & Metabolic Health

Should we put statins in the water?

March 20, 2024

How to achieve optimal hormone balance, regardless of age editorial cut-paper collage illustration Women’s Health & Hormones

How to achieve optimal hormone balance, regardless of age

March 6, 2024

It’s raining men(opause) editorial cut-paper collage illustration Women’s Health & Hormones

It’s raining men(opause)

February 23, 2024

Should you get a full body MRI? editorial cut-paper collage illustration Longevity & Metabolic Health

Should you get a full body MRI?

February 9, 2024

How to prevent cancer at younger ages editorial cut-paper collage illustration Longevity & Metabolic Health

How to prevent cancer at younger ages

January 24, 2024

Neuroplasticity and the “New Year, New You” Craze editorial cut-paper collage illustration Brain, Mood & Nervous System

Neuroplasticity and the “New Year, New You” Craze

December 27, 2023

You booze, you lose? editorial cut-paper collage illustration Toxins, Nutrition & Modern Exposures

You booze, you lose?

December 13, 2023

Loooongevity: Which Treatments & Therapeutics Actually Work? editorial cut-paper collage illustration Longevity & Metabolic Health

Loooongevity: Which Treatments & Therapeutics Actually Work?

November 29, 2023

All your questions answered about Ozempic and GLP-1s editorial cut-paper collage illustration Longevity & Metabolic Health

All your questions answered about Ozempic and GLP-1s

November 23, 2023