Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

How long does it take for testosterone to work? A clinical timeline for results

Nov 29, 2025 · 14 min read

In clinical trials of TRT for hypogonadism, libido, energy, and mood often improve within about 3 to 6 weeks, while erection quality and muscle and fat changes typically take 12 to 16 weeks and bone benefits start around 6 months. Because different tissues respond on different timelines, this guide shows what to expect month by ...

Bioidentical hormone replacement therapy for men: Science, safety, and real-world results

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Nov 28, 2025 · 15 min read

Most prescription testosterone replacement used in men is already “bioidentical.” The hormone molecule is chemically identical to what the testes produce, even as levels commonly decline about 1% per year after age 30 to 40. The real question is whether you have symptomatic, consistently low testosterone and how to dose and monitor therapy to restore ...

What does healthy sperm look like? A normal sperm color chart and 8 signs of healthy sperm

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Nov 25, 2025 · 16 min read

Healthy sperm usually cannot be confirmed by looks alone, but normal semen is typically clear, gray, or white and a semen analysis is the only reliable way to measure sperm count, movement, and shape. This guide breaks down the 8 signs of healthy sperm you can watch for at home, plus a normal sperm color ...

Can kale really help erections? What the science actually says

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Nov 24, 2025 · 12 min read

Kale isn’t a proven standalone treatment for erectile dysfunction, but its dietary nitrates and antioxidants can support endothelial nitric oxide signaling. This is the pathway that relaxes penile blood vessels to allow engorgement. Because ED is often related to vascular and metabolic health and becomes more common with age, the bigger win is using a ...

Tongkat ali and fadogia agrestis: Do men get a real testosterone boost or extra risk?

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Nov 20, 2025 · 10 min read

Tongkat ali has human evidence suggesting it can raise testosterone in some men, but fadogia agrestis has no human testosterone studies and a less defined safety profile. If you are considering fadogia agrestis and tongkat ali together, you need to understand what is proven, what is speculation, and where the side effect risk may rise. ...