16 articles
Two independent trials in trained men measured no change in testosterone. The only positive trial came from the maker. W...
EFSA calls tongkat ali genotoxic and the NVWA found it at 10 companies in 2024. What the trials measured, what the side...
In rugby players and in healthy men in their twenties, testosterone did not move. What tribulus does do, where the claim...
Two trials measured more desire after 8 weeks and no movement at all in testosterone, LH or estradiol. What maca powder...
In one trial in men aged 45 to 55, total and free testosterone and DHEA-S rose after 90 days. What that does and does no...
Of 50 boosters, a quarter had data showing a rise, and in one in ten testosterone fell. Which supplements measure anythi...
The much quoted trial reports +96.2 ng/dL. On a Dutch lab report that is about 3.3 nmol/L, and it came on top of eight w...
RIVM advises against ashwagandha supplements. The trials still measured real shifts in cortisol, testosterone and thyroi...
Oestrogen is not a female thing. In men it co-steers libido, bones and joints. How to read its balance with testosterone...
Heavy training spikes your testosterone briefly, but lifestyle and recovery set your daily level. What the data really s...
A normal total testosterone can still work out low. Free testosterone and SHBG explain why, and which values to measure...
Want to get your testosterone tested? The right timing, the preparation and which panel fits you, plus what your blood v...