This structure is, however, dynamic and is maintained and remodeled by the actions of a range of histone-like proteins, which associate with the bacterial chromosome. In archaea, the DNA in chromosomes is even more organized, with the DNA packaged within structures similar to eukaryotic nucleosomes.
As such, most testosterone boosters claim to work by boosting free testosterone levels within your body using one or more of the following primary ingredients: 1  DHEA (dehydroepiandrosterone) â DHEA functions as a precursor to testosterone.
With that being said, hereâs some studies about prescription drugs that have side-effect of lowering testosterone levels (what ever you might do with this info is your decision); 1  Corticosteroids and opiate-based painkillers. 2  Some beta-blockers and tranquilizers31. 3  A type-2 diabetes drug called Sylfonylurea32.