Trend or trustworthy? Now you can tell.

The Hormone Owner's Guide

A doctor-led reference you'll use again and again.

Every week there's a new hormone claim in your feed. This free guide from Selfority separates trends from truth to give you clarity and confidence. You'll get evidence behind the claims, what's normal versus what warrants an appointment, and the questions to ask your doctor.

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What's Inside

Actionable information about perimenopause and menopause.

Run the Checks

The Caption Check and the Self Check: three questions to use on any hormone claim before you share, buy, or believe it.

Confirm the Claim

Evidence ratings for the claims you see most, from cycle syncing and cortisol cocktails to ashwagandha and glucose monitors.

Walk in Prepared

What's normal, what's worth a visit, and the questions that get you real answers at your next appointment.

Why Listen to Me?

Board-Certified OB-GYN. Menopause Specialist. Professional Myth-Buster.


Hi, I'm Dr. Sarah Berg, the co-founder of Selfority. I'm a board-certified OB-GYN and Menopause Society Certified Practitioner with over a decade of experience caring for women. I started every appointment by asking about their social media accounts. Their answers confirmed why there is so much confusion about supplements, symptoms, protocols, and promises. 

You've had this body your whole life. Consider this the owner's manual nobody gave you.

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Educational resource, not medical advice. Unsubscribe anytime.