Sperm motility

Covers what sperm motility is, how it’s measured on a semen analysis, and why it’s a key factor in male fertility. Learn how lifestyle, training, nutrition, supplements, heat exposure, and hormones (including TRT) can influence motility and what to do to improve it.

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The essentials for sperm motility — then explore the latest posts below.

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

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

Dr. Alexander Grant, MD, PhD avatar
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 ...

L carnitine benefits for men: What it can and cannot do for fat loss, workouts, and testosterone signaling

L carnitine benefits for men: What it can and cannot do for fat loss, workouts, and testosterone signaling

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Oct 25, 2025 · 16 min read

L-carnitine can modestly improve endurance style training output and may support sperm motility in selected men, but it is not a guaranteed fat loss or testosterone shortcut. This evidence-based guide breaks down which l carnitine benefits are real, what dose and timeline matter, and how to use it like a structured experiment instead of a ...

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