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Testosterone

TRT, Testosterone Replacement Therapy

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Meta Information

ID:testosterone
Name:Testosterone
Schema Version:1.5

Alternate Names

  • TRT
  • Testosterone Replacement Therapy

Active Compound

testosterone

Intervention Type

therapeutic_agent

Delivery

Route:
multiple
Scope:
systemic

Regulatory Status

  • us:rx_drug
  • eu:rx_drug
  • us:schedule_iii_controlled_substance

Indication

Focus:
  • disease_treatment
  • healthspan
Description:
Treatment of clinically diagnosed hypogonadism in men. | Used to restore youthful physiological levels in aging men to improve muscle mass, bone density, metabolic health, and vitality.

Typical Protocol

  • Intramuscular Injection (e.g., Cypionate): 50-100mg weekly or bi-weekly.
  • Topical Gel (1-1.62%): Applied daily to shoulders or abdomen.
  • Dosage is titrated to achieve optimal physiological serum levels and symptom resolution.

Expected Cost Mean

Low Cost:
30
High Cost:
200
Cost Type:
monthly
Description:
Cost for generic vials and supplies; often not covered by insurance for healthspan.

Summary

Testosterone is the primary male sex hormone, and its established medical use is to treat clinically diagnosed deficiencies (hypogonadism) to restore normal physiological function. Building on this role, its use is expanding into healthspan optimization to counteract the natural, age-related decline in hormone levels. In this context, the goal is not to treat a specific disease but to restore more youthful levels to preserve muscle mass and bone density, improve body composition, and support overall vitality.

Purpose

Restores youthful hormone levels to preserve muscle, bone, and metabolic health.

Card Summary

A hormone therapy to counteract age-related decline in men, preserving muscle, bone density, and vitality.

Drug Class

androgen

Drugs In Class

Empty Array

Impact

Score:
7.5
Justification:
Substantial benefits for muscle mass, bone density, metabolic health, and vitality in aging men.

Evidence

Grade:
B
Score:
7
Justification:
Many human trials show benefits for body composition and function, but long-term healthspan data is limited.

Safety

Score:
6.5
Justification:
Requires medical supervision due to risks like polycythemia, cardiovascular events, and hormonal suppression.

Flags

  • Requires ongoing medical supervision and regular blood testing (CBC, CMP, PSA, hormone panel).
  • Can increase hematocrit (polycythemia), raising the risk of blood clots and stroke.
  • Suppresses the body's natural testosterone and sperm production, causing infertility.
  • May accelerate growth of pre-existing prostate cancer; regular PSA screening is necessary.
  • Potential for adverse cardiovascular events is a subject of ongoing debate and research.
  • Improper management can lead to high estrogen, causing side effects like gynecomastia and mood swings.
  • Delivery method affects stable serum levels: injections can cause peaks and troughs, whereas daily topical gels provide more stable levels.

Verdict

A powerful tool for male healthspan, but requires careful medical management.

Qualifier

systemic, focused on healthspan

Created

2026-04-29T19:48:11.426027Z

Ai Model

Gemini 2.5 Pro (High)