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.

Four hold up, two hold up conditionally, five are thin and one has been tested and failed. The pattern behind the grades is the useful part.

Take arginine by mouth and your gut destroys most of it before it reaches your blood. Citrulline goes round the problem — and raises arginine better than arginine does.