Low Libido? Your Hormones Might Be the Problem

Here’s the truth: Your hormones control your sex drive.

If your sex drive isn’t what it used to be, you’re not alone. Millions of men struggle with low libido, but instead of addressing the root cause, most are told to “just deal with it” or take a pill.

Here’s the truth: Your hormones control your sex drive. If your testosterone, cortisol, or other key hormones are out of balance, your libido is going to take a hit.

Let’s break down exactly why this happens—and what you can do to fix it.

The #1 Libido Killer: Low Testosterone

Testosterone is the main driver of libido, energy, and performance in men. If it’s low, your desire will be too.

Signs of Low Testosterone

  • Less interest in sex

  • Weaker erections

  • Fatigue and lack of motivation

  • Difficulty building muscle

  • Increased belly fat

What Lowers Testosterone?

  • Chronic stress (raises cortisol, which lowers T)

  • Poor sleep (testosterone is produced at night)

  • Processed foods and seed oils (increase estrogen)

  • Lack of strength training (muscle-building boosts T)

  • Too much alcohol or nicotine (both suppress hormone production)

How to Fix It

  • Strength train 3–5 times per week

  • Get 7–9 hours of quality sleep

  • Eat a high-protein, whole-food diet

  • Boost zinc, magnesium, and vitamin D levels

  • Cut down on processed foods, alcohol, and nicotine

Testosterone doesn’t just affect libido—it controls your confidence, energy, and overall drive. If your T is low, fixing it will transform how you feel in every aspect of life.

The Stress Connection: How Cortisol Kills Sex Drive

Cortisol, your stress hormone, is the enemy of testosterone. When cortisol is high, testosterone is low.

How Stress Lowers Libido

  • Increases anxiety, making arousal more difficult

  • Drains testosterone and energy levels

  • Raises inflammation, leading to poor blood flow

How to Fix It

  • Get morning sunlight to regulate stress hormones

  • Limit caffeine after noon (too much spikes cortisol)

  • Take 10-minute walks after meals to reduce stress

  • Try cold exposure (ice baths, cold showers) to reset stress responses

Managing stress isn’t just about feeling better—it’s about performing better, too.

The Hidden Libido Killers: Estrogen & Prolactin

Most guys think of testosterone as the only important hormone, but other hormones can impact sex drive, too.

Too Much Estrogen = Low Libido & High Body Fat

  • Estrogen naturally exists in men, but if it’s too high, it can kill libido.

  • Processed foods, plastics, and excessive alcohol can all increase estrogen.

  • Signs include belly fat, mood swings, and low energy.

Fix it by avoiding BPA (in plastics) and eating cruciferous vegetables (broccoli, cauliflower) to clear out excess estrogen.

High Prolactin = No Desire for Sex

  • Prolactin is the hormone that rises after orgasm, which is why sex drive temporarily drops afterward.

  • Chronically high prolactin levels, often caused by stress or medications, can lead to a constant lack of desire.

Fix it by managing stress, getting enough zinc, and checking medications that may raise prolactin.

Blood Flow & Libido: Why Nitric Oxide Matters

Hormones are only part of the equation—good circulation is just as important. If blood flow is poor, libido and performance will suffer.

How to Improve Blood Flow

  • Eat beets, dark chocolate, and leafy greens to boost nitric oxide levels

  • Exercise regularly (especially strength training and HIIT)

  • Take L-citrulline or arginine supplements to enhance circulation

Better blood flow = stronger libido and better performance.

The Bottom Line: Fix Your Hormones, Fix Your Libido

Low libido isn’t just “aging” or “stress.” It’s a sign that your hormones are out of balance.

If you want to restore your sex drive, energy, and confidence, start by fixing testosterone, cortisol, and blood flow.

  • Lift heavy, eat clean, and get quality sleep

  • Manage stress and cut out endocrine disruptors

  • Support nitric oxide levels for better circulation

Your libido is a reflection of your overall health. Get your hormones in check, and you’ll feel the difference—in and out of the bedroom.


CODEX

The Art of Aging Well

A revolutionary approach, created by award-winning, board-certified physician and surgeon, Dr. Peter Marta, combining the precision of conventional medicine and the nuance of functional medicine. At the heart of Codex is hormone optimization, with a comprehensive system addressing seven core areas vital for men’s wellness. What even many physicians overlook is that hormonal health and gut health are inextricably linked—you can’t have one without the other. Codex addresses these connections, unlocking vitality and balance through a tailored, easy-to-follow, scientific approach.



Dr. Pete Marta

I’m Dr. Peter Marta (affectionately known as Dr. Pete), a board-certified physician and surgeon. I focus on men’s health and hormone optimization. You don’t have to decline after 40. You can be in the best shape of your life from here on out.

Through my science-backed program, Codex, that combines the precision of conventional medicine, with the nuance of functional medicine, I’m here to help you reclaim your health and thrive after 40 and beyond.

https://www.petermarta.com/
Previous
Previous

Is Marijuana Killing Your Energy? The Truth About Weed and Hormones

Next
Next

Why Do I Hit a Wall at 3:00 PM Every Day? (Hint: It’s Not Just Lunch)