Blood test interpretation

Learn how to read and understand common lab markers that affect men’s health, performance, and hormone optimization—like total and free testosterone, estradiol, SHBG, lipids, CBC, CMP, A1C, thyroid, and inflammatory markers. This tag helps you spot what’s normal vs. concerning, know what to retest, and make smarter decisions about training, nutrition, supplements, and TRT with your clinician.

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 ...

How to make the most of comprehensive biomarker testing for long-term health

How to make the most of comprehensive biomarker testing for long-term health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 02, 2025 · 12 min read

To make the most of comprehensive biomarker testing, interpret the 100+ lab results as a multi‑marker pattern (for example, LDL cholesterol, triglycerides, C‑reactive protein, and blood pressure together) to better predict your 10‑year cardiometabolic risk than any single “high” or “low” number. Here’s how to translate that pattern into concrete choices about food, movement, sleep, ...

Hot flush in males: Why it happens and how to stop the heat

Hot flush in males: Why it happens and how to stop the heat

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 01, 2025 · 13 min read

Most male hot flushes are triggered by a drop in testosterone that narrows the hypothalamus’ thermoneutral “comfort zone,” causing sudden heat-dumping responses like flushing and sweating (rates reach 70%–80% on androgen-deprivation therapy). Here’s how to tell whether low testosterone, medications, or another hormone problem is driving yours—and which treatments actually work. “When a man tells ...

How quickly does B12 shot work for energy and cognitive focus?

How quickly does B12 shot work for energy and cognitive focus?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 01, 2025 · 13 min read

Vitamin B12 shots can quickly correct low B12 in people who cannot absorb pills, but the benefits, timing, and safe injection technique depend on your health, your dose, and exactly where and how the shot is given. “For the right patient, a B12 injection is like fixing a blocked fuel line. If you’ve been running ...

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 ...

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