Long-term safety in humans is not established
Indeed the role of NAC on sexual hormones is characterised as decreased serum levels of testosterone and androgen levels among PCOS women, reduced levels of FSH and LH and increased levels of testosterone in infertile men (Reference Ghomian, Khadem and Moeindarbari5)
As of 2026, compounded tirzepatide is legally available only for patients with a documented medical need that cannot be met by Mounjaro or Zepbound, such as a verified allergy to an inactive ingredient (source: NCPA, FDA.gov)
Robison says
People in Stuttgart, Germany, can request an online doctor consultation about Tirzepatide with Hi-Doctor
Covers lyophilized and reconstituted storage temperatures, shelf life, light protection, and signs of degradation