Brain fog

Covers common causes of brain fog in men—like poor sleep, stress, low testosterone, nutrient deficiencies, inflammation, and medications—and how to identify the real driver. Learn evidence-based strategies to improve mental clarity, focus, and daily performance through training, nutrition, lifestyle, and targeted labs or TRT when appropriate.

TRT before and after: What the clinical data actually promises for your body

TRT before and after: What the clinical data actually promises for your body

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 04, 2025 · 13 min read

In men with symptoms and consistently low testosterone (total testosterone under ~350 ng/dL, or free testosterone under ~100 pg/mL), TRT that restores levels to the mid‑normal range (~400–700 ng/dL) can increase lean muscle, reduce fat mass, and improve sexual function, with modest improvements in mood and vitality. The viral “before and after” transformations are often ...

Normal range vs optimal: What labs actually mean for men

Normal range vs optimal: What labs actually mean for men

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 29, 2025 · 13 min read

Many men are told their blood work is “normal” even though they feel tired, softer, and off their game. Understanding optimal vs normal lab ranges can turn a frustrating dead end into a clear plan to feel and perform better. “When a lab report says ‘normal’, it mostly means you’re not in immediate danger. It ...

Nad+ side effects: What science really says about safety, injections, and anti-aging hype

Nad+ side effects: What science really says about safety, injections, and anti-aging hype

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 29, 2025 · 13 min read

NAD+ is a coenzyme that helps cells make energy and repair damage, but NAD+ injections are still an experimental longevity therapy with limited high-quality human data, so long-term safety, side effects, and anti-aging benefits aren’t established. Here’s what the evidence actually shows so far—and what to weigh before paying for NAD shots. “NAD+ is central ...

7 low testosterone symptoms: Get small daily joys back!

7 low testosterone symptoms: Get small daily joys back!

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Oct 23, 2025 · 14 min read

Clinically significant testosterone deficiency is diagnosed only when ongoing symptoms like fatigue, low libido, and “losing your edge” occur alongside consistently low early‑morning testosterone on repeat blood tests (the AUA/EAU “two‑key” rule). Because these signals can mimic stress or normal aging, here’s how to recognize the hormone-driven pattern and what to do next to get ...

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