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.
Tired despite training while your iron and B12 look fine? Low folate and high homocysteine often stay under the radar. H...
TSH is the first value to check your thyroid. How to read a normal, high or low TSH and what it means for you.
Many athletes drop to a low vitamin D level in winter. How to spot a deficiency, how to measure it and how to adjust.
Not losing weight despite clean eating and training? This guide shows which blood values explain your metabolism and whi...
Cortisol drives your stress, recovery and fat distribution. This guide shows how to test cortisol, what high or low mean...
Which vitamins and minerals drive your recovery and performance, and which blood values reveal them? A data-driven guide...
Your thyroid steers your metabolism, energy and recovery. How to read TSH, free T4 and T3, and how to spot when your val...
What does each blood value mean for an athlete? A reference guide that explains your biomarkers per system, from heart t...
You usually pay for a sports blood test yourself. How basic insurance, your deductible, and when self-testing is cheaper...
Have your sports blood values measured without a GP. The steps, which markers you can choose, and how fast you get your...
Track your blood values as an athlete without a GP: which data you can follow, how to arrange it, what it costs, and whe...
The Whoop panel measures 44 biomarkers for recovery, longevity and heart. A BIG-registered doctor reviews your results....