概括地說，雄激素助長蛋白質的合成及擁有雄激素受體的組織的生長，睪酮的效用可以分為合成代謝及雄性化效應。合成代謝效應包括肌肉質量及力量的增長、增加骨質密度及強度、刺激線性生長及骨骼成熟等。雄性化效應則包括性器官的成熟（尤其是陰莖及胎兒陰囊的生成）、出生後（通常是在青春期）聲線的轉沉、鬍鬚及體毛的生長等。這些效應一般都是男性的第二性徵。

Testosterone might inspire honest actions. For a single research, subjects took section inside of a behavioral experiment where by the distribution of an actual amount of money was determined. The foundations authorized both of those truthful and unfair delivers. The negotiating spouse could subsequently accept or drop the present. The fairer the offer you, the significantly less probable a refusal from the negotiating partner.

維持性慾及勃起次數（濫用補充劑可能會導致疼痛性陰莖異常勃起、和性慾亢進）

睾酮是经由血液中的性激素结合球蛋白运送至身体的目标组织。男性生殖腺内的塞尔托利氏细胞需要睾酮来生成精子。

睪酮是經由血液中的性激素結合球蛋白運送至身體的目標組織。男性生殖腺內的塞爾托利氏細胞需要睪酮來生成精子。

Extra testosterone in kids assigned male at start can result in precocious (early) puberty, which is when puberty starts ahead of the age of 9.

Adult testosterone effects are more Evidently demonstrable in males than in females, but are possible essential to both of those sexes. Some outcomes may possibly decrease as testosterone amounts may reduce within the later a long time of Grownup daily life.[36]

用于多种男性性激素不足的状况 隐睾症、性腺功能减退症、阳痿及男性更年期。

過度超量或是長期的使用睪酮，會導致睪丸及男性生殖器萎縮，且導致永久性的陽痿。如果為女性，則會出現乳房萎縮、刺激毛髮過度生長、陰蒂肥大貌似小陰莖和长胡子等種種男性化現象。

Testosterone could also only exaggerate or amplify existing aggression; such as, chimpanzees who obtain testosterone increases develop into a lot more aggressive to chimps lower than them from the social hierarchy, but will nevertheless be submissive to chimps larger than them. Testosterone As a result doesn't make the chimpanzee indiscriminately intense, but instead amplifies his pre-current aggression in the direction of decreased-rated chimps.[129]

Once the enzymes don’t function Commonly, the adrenal glands develop an surplus of testosterone and various hormones instead of cortisol.

除自然作用之外，雄性激素亦可作为药物使用，如雄激素替代疗法和促进肌肉生长。值得注意的是，成年男性無論施打多少劑量的雄激素都无助生殖器再次發育成長，反而容易增长生殖疾病风险。

Falling in like is linked with decreases in men's testosterone concentrations though combined modifications are reported for Women of all ages's testosterone Half Off degrees.[81][eighty two] There was speculation that these adjustments in testosterone result in the momentary reduction of variances in behavior concerning the sexes.

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