24 articles
Iron bisglycinate causes fewer stomach complaints than iron salts, but better absorption has only been measured in pregn...
Magnesium bisglycinate is gentle on your gut, but there is no evidence it is absorbed better than citrate. What the tria...
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...
Every trial measured at eight weeks or sixty days. None reports a result after a few days, which makes most week-one exp...
KSM-66 is root only at 5 percent withanolides. Sensoril adds leaf at 10 percent. Powder is not an extract at all, and th...
Users report calm and better sleep. The one trial that measured how men actually felt found no difference against placeb...
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