The best testosterone booster for bodybuilding may include ingredients that are studied for their role in supporting natural hormone levels, muscle recovery, and overall physical performance. Products in this category at Dark Labs are formulated with a focus on experienced users familiar with supplementation protocols. Each formula contains clearly listed ingredients and dosages, with no proprietary blends. These supplements are intended for informational and educational purposes and should be used responsibly by individuals aware of their own physiological needs and responses.