Dr. Amy B. Killen MD | Substack

My Testosterone Story

Lessons learned from the trenches

Apr 6 • Dr. Amy B. Killen MD

Spotted, Soon & Smitten

Where I’ve Been + What’s Next

Apr 3 • Dr. Amy B. Killen MD

10 Things You Didn’t Know About GLP-1s

Separating the hype from the science, with zero apologies for the length

Mar 30 • Dr. Amy B. Killen MD

Please Mind the Gap

Lies you were told about the Land Down Under, Part 2

Mar 23 • Dr. Amy B. Killen MD

Quick Hits: March 20, 2026

Mar 20 • Dr. Amy B. Killen MD

Most Popular

11 Estradiol Tips & Tricks You Probably Didn’t Know (But Should)

Dec 15, 2025 • Dr. Amy B. Killen MD

Please Mind the Gap

Mar 23 • Dr. Amy B. Killen MD

Why Won't Anybody Tell Me the Optimal Estradiol Level In Menopause?

Jul 7, 2025 • Dr. Amy B. Killen MD

Hi. It's Me. Your Clitoris.

Sep 22, 2025 • Dr. Amy B. Killen MD

Recent posts

Biest is Bull$hit

I love you, but I gotta say it.

Mar 16 • Dr. Amy B. Killen MD

Estrogen on Your Face: Is It Worth the Squeeze?

A few months ago, I posted a video of myself applying my vaginal estradiol cream to my face.

Mar 9 • Dr. Amy B. Killen MD

Who Gave You the Right?

Lessons from the radium girls that nobody seems to have learned

Mar 2 • Dr. Amy B. Killen MD

Lies you were told about the Land Down Under

Part 1: The Map Was Wrong

Feb 23 • Dr. Amy B. Killen MD

How to get all your hormone optimization therapy for < $20/Month

Feb 16 • Dr. Amy B. Killen MD

FSH: Useless Lab or Missing Piece in Menopause Hormone Users?

A Korean study landed recently that made me sit up straighter.

Feb 9 • Dr. Amy B. Killen MD

Dr. Amy B. Killen MD

Dr. Amy B. Killen MD

Hormones and Women's Longevity M.D. Welcome to your Queen Phase.

Recommendations

Dr. Jessica Knurick

Jessica Knurick, PhD, RDN

Dr. Corinne Menn

Dr. Corinne Menn

Longevity Insider with Dr. Murphy

Doctor Steven Murphy

Dr. Kelly Casperson's Substack

Kelly Casperson, MD

David Luu

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts