Compound Library
Testosterone / Transdermal
AndroGel (Testosterone 1.62%)
FDA-approved testosterone gel. Apply to shoulders/upper arms. Convenient once-daily. Variable absorption between individuals.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Side effects and watch-outs
- ⚠️ Transfer risk — avoid skin-to-skin contact with partners/children after application
- Skin irritation at application site
- Variable absorption (30–50% lower than injections)
- HPTA suppression
- Oestrogen elevation
- Haematocrit elevation with long-term use