What Does Comprehensive Blood Work Actually Tell You About Hormones?

A practical guide to what hormone-related blood work can and cannot tell you, from testosterone to LH, FSH, prolactin, and SHBG.
Recommended Blood Tests for Men With Fatigue, Low Libido, and Brain Fog

Which blood tests are most useful when men have fatigue, low libido, and brain fog, and how to avoid overtesting.
Low Estrogen Symptoms: When to Test and What Treatment Can Do

Learn the common symptoms of low estrogen, when testing makes sense, and which treatments may help depending on the cause.
Ramadan Fasting and Testosterone: How Fasting, Sleep, and Test Timing Affect Your Results

If you fast during Ramadan and you are also trying to make sense of a testosterone result, you have probably wondered whether the two are connected. It is a fair question. Ramadan changes when you eat, when you sleep, and the rhythm of your whole day, and all three of those things touch the hormone […]
Primary vs Secondary Hypogonadism: What LH, FSH, and Prolactin Reveal About Low Testosterone

If you have been told your testosterone is low, it is natural to want a single number to explain everything. But that one result is only the beginning of the story, and even the number itself can be misleading until you know whether your clinician measured total versus free testosterone and what your binding proteins […]