November 27, 2015


(testosterone) Nasal Gel


Natesto (testosterone) nasal gel is a slightly yellow gel containing 5.5 mg of testosterone in 122.5 mg of Natesto gel for nasal administration. The active pharmacologic ingredient in Natesto is testosterone, an androgen. Testosterone is a white to practically white crystalline powder chemically described as 17β-Hydroxyandrost-4-en-3-one. The structural formula is:

Natesto (testosterone) Structural Formula Illustration

MW: 288.4      MF: C19H28O2

Last reviewed on RxList: 9/8/2015
This monograph has been modified to include the generic and brand name in many instances.

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