The established urinary threshold level of 150 g/mL may be reached (rarely, but possibly) in some individuals within 6-20 hours of taking some long-acting therapeutic formulations
In male animals, GHK-Cu treatment after toxic exposure has restored sperm motility and reduced DNA fragmentation in some reports
The lethal dose in humans would be approximately 21,000mg for a 70kg person, making the 1-3mg daily doses used in typical protocols extremely safe from a toxicity standpoint
Given the potential risks associated with improper supplementation, seeking guidance from healthcare professionals is paramount for individuals with autism spectrum disorder or their caregivers
Based on clinical research and user observations across forums and editorial reviews, the most commonly documented changes include: Smoother skin texture and improved hydration Brighter, more even skin tone Reduced redness in sensitive or rosacea-prone skin Softer fine lines around the eyes and mouth Faded hyperpigmentation, melasma, and acne marks Improved skin firmness and density Smaller-looking pores Reduced hair shedding and new baby hairs Healthier-looking scalp Faster recovery after microneedling and chemical peels The research-backed numbers are even more striking