We score every product on one public scale — what is in it, at what dose, what buyers actually report, and what a serving costs. Brands can buy a labelled slot on this site. Not a single one has ever been able to buy a rank.
Pick a product and we line up every active ingredient against the dose used in published trials. Under, at, or over — no interpretation needed. In the testosterone category, most products fail on the first ingredient.

The offer is $4.95 and the charge is $89.61 a month later. The free-trial billing trap taken apart step by step, and how to spot it before you hand over a card.

One 2009 study in untrained men launched a shelf full of products. Three trials in the men who actually buy them found nothing, and one found the opposite.

Pooled across the trials, magnesium gets you to sleep about seventeen minutes faster. It does not reliably keep you there, and the evidence behind both is weaker than the shelf suggests.