Slim Origin Keto Leyzene2 with Royal Jelly uses three key ingredients, alongside royal jelly (an extract from honey bee hives) to achieve better male sexual performance. This professional formula contains L-Arginine, the precursor to nitric oxide, for improved blood flow… Tribulus terrestris, a testosterone booster… and Panax ginseng, a proven performance enhancer… plus a host of other minerals and herbs that work…