Ancestral Nutrition Primal Body 100% Bovine TesticleContains Naturally Occurring Sex Hormones A Natural Source of Testosterone 100% Grass Fed Finished Freeze Dried Powder Hormonal health plays a crucial role in maintaining overall well being, affecting everything from mood, libido and energy levels to reproductive health and muscle growth. Both male and female bodies rely on a delicate balance of sex hormones like testosterone, estrogen, and progesterone to function optimally.