Posts tagged hormone optimization

What is biohacking? The science of optimizing male biology

What is biohacking? The science of optimizing male biology

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 03, 2026 · 10 min read

It sounds like science fiction, but the core of biohacking is grounded in clinical physiology. Here is how using data, technology, and ancestral habits can optimize your hormones and extend your healthspan. “Biohacking is often marketed as a shortcut, but in clinical practice, it is simply the strategic application of data. We stop guessing why ...

How much deep sleep do you need for recovery and hormone optimization?

How much deep sleep do you need for recovery and hormone optimization?

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 21, 2025 · 9 min read

You track your total hours in bed, but if you are missing the critical slow-wave phase, your testosterone, memory, and heart health will suffer. Here is the clinical breakdown of how much deep sleep you actually need. “Many men obsess over getting eight hours of clock time, but sleep architecture is what dictates your physical ...

Can Vitamin D impact testosterone?

Can Vitamin D impact testosterone?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Oct 28, 2025 · 14 min read

Low testosterone and vitamin D deficiency often show up together in men, but they are not the same problem. Here is how low testosterone vitamin D patterns interact, when vitamin D can help, and when you still need to think beyond supplements. “When a man walks into my clinic with fatigue, low sex drive, and ...

Estrogen in men: Low Estradiol can ruin your TRT therapy

Estrogen in men: Low Estradiol can ruin your TRT therapy

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Oct 26, 2025 · 13 min read

Low estradiol in men is common, especially on testosterone therapy, and can quietly drain libido, mood, and bone strength. Here is how to recognize low estradiol, get the right tests, and correct it without crashing your hormones. “Men often think estrogen is the enemy, but low estradiol in men is just as harmful as high ...

L-carnitine benefits: fuel your mitochondria and support androgen receptors

L-carnitine benefits: fuel your mitochondria and support androgen receptors

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Oct 25, 2025 · 14 min read

L carnitine benefits go beyond “fat burning”: this amino-acid–derived compound helps your mitochondria use fat for fuel, may support androgen receptors in muscle, and can aid recovery when you dose and stack it the right way. “L-carnitine is not a magic testosterone pill, but for the right man it can make training feel more sustainable, ...

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