Testosterone: symptoms, blood values and what affects your level
A single testosterone value says little. Which symptoms matter, which five blood values tell the story together, and which dials you can actually turn.
Discover articles on blood values, health and prevention. Clear, well-sourced explanations that help you understand your blood test and your results better.
A single testosterone value says little. Which symptoms matter, which five blood values tell the story together, and which dials you can actually turn.
What does your testosterone result actually mean? How to read total, free and SHBG together, and which reference ranges fit each age.
Does fasted training really burn more fat, or does it just feel that way? We walk through what happens to your blood sug...
Heat and cold are popular for recovery, but what really happens in your body? What the numbers show and what to watch, y...
A week of poor sleep lowers your testosterone, raises your cortisol and worsens your insulin sensitivity. Here is how it...
Alcohol changes your liver values, your recovery and your hormones. What it does to your blood values and how to measure...
The omega-3 index measures your EPA and DHA in your blood cells and reflects heart and recovery. Read the target zones a...
IGF-1 drives muscle growth and recovery, but both low and high levels have downsides. Here is how to read this marker wi...
Your HbA1c is 5.6% and your GP says everything is fine. But 'normal' is not the same as optimal. Here is how to read you...
Your fasting glucose can sit neatly within range for years while your insulin quietly climbs. HOMA-IR lets you calculate...
ApoB counts the harmful particles in your blood and predicts heart risk more accurately than LDL alone. Why it matters a...
A standard GP blood test only spots metabolic problems once they have been brewing for years. These are the markers that...
A high haematocrit can come from dehydration, training or TRT. When thick blood is harmless and when you take it serious...
Stopping TRT is not a switch you flip. Your axis has to restart. Which values show whether your body is taking over?
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