Low testosterone in your 40s

Articles under this tag cover why testosterone can decline in your 40s, common symptoms (energy, mood, libido, body composition), and how to evaluate it with the right lab work. You’ll also find evidence-based options to improve hormones through lifestyle, nutrition, training, and when appropriate, TRT.

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The essentials for low testosterone in your 40s — then explore the latest posts below.

Low testosterone: 10 quiet signs beyond libido

Low testosterone: 10 quiet signs beyond libido

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Oct 10, 2025 · 15 min read

Low testosterone 10 quiet signs often creep in so slowly that men blame age, stress, or weight gain. Here is how to recognize the full pattern early, what it means medically, and which steps actually move the needle. “Men often assume low testosterone is only about sex drive, but the body rarely sends just one ...

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