Posts tagged hormone-optimization

Fadogia agrestis and tongkat ali: what science really says about this testosterone stack

Fadogia agrestis and tongkat ali: what science really says about this testosterone stack

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Nov 20, 2025 · 13 min read

Fadogia agrestis and tongkat ali are hyped as natural testosterone boosters, but the real story is more complicated than TikTok clips and Reddit threads. Here is what the research shows, what it doesn’t, and how to use these herbs safely if you choose to try them. “Fadogia agrestis and tongkat ali sit at very different […]

Does nicotine increase testosterone or quietly wreck it?

Does nicotine increase testosterone or quietly wreck it?

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Nov 20, 2025 · 12 min read

Nicotine and testosterone have a complicated relationship. Some studies show slightly higher testosterone in male smokers, but the same habit damages the very systems that make and use that hormone. “When guys ask me ‘does nicotine increase testosterone,’ I tell them this: you might see a tiny bump on a lab report, but you’re trading […]

Top 3 ways to increase testosterone naturally

Top 3 ways to increase testosterone naturally

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Oct 30, 2025 · 14 min read

Testosterone shapes sex drive, strength, energy, and long-term health, but it is not just a “manliness” score. Here is how testosterone really works, what low levels look like, and the proven ways to improve it without falling for hype. “Testosterone is not random luck. Extra belly fat, broken sleep, and constant stress work together to […]

Can Vitamin D impact testosterone?

Can Vitamin D impact testosterone?

Susan Carter, MD: Endocrinologist & Longevity expert avatar
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

Susan Carter, MD: Endocrinologist & Longevity expert avatar
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 […]

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