Testosterone is the primary male sex hormone, essential for the development of male reproductive tissues and secondary characteristics like muscle mass, body hair, and voice changes. It also plays a role in mood, energy, and overall health for all sexes.
Our scientifically accurate plush is modeled after the real molecular structure of testosterone. Soft, bold, and educational, it’s a great gift for biology enthusiasts, medical students, educators, or anyone fascinated by the science of the human body