Because tumor growth also depends on new blood vessels, several reviews describe this as a theoretical concern that has not been resolved in humans (Sehgal et al., Pharmaceuticals, 2025)
Both peptides may be prohibited by various athletic organizations including the World Anti-Doping Agency (WADA), and their use could result in sanctions, disqualification, or other penalties for competitive athletes
The plaques, the scaling, the redness, those are downstream consequences of an immune system that has lost the ability to distinguish between genuine threats and the body own tissue
Products in the 1-3% range typically provide meaningful benefits without overwhelming the skin
Dose: 100-250mcg Frequency: Daily or every other day Timing: 30-60 minutes before bed Duration: 4-8 weeks, followed by 2-4 week break At these doses, most users report noticeable improvements in sleep onset, depth, and morning alertness