It helps manage blood sugar, slows digestion, and signals to your brain that you're full
That one change ripples outward, shifting gas production, water reabsorption, and the balance of gut bacteria, which is why digestive symptoms are so common in the first few months of treatment
Side Effects and Safety Considerations GHK-Cu demonstrates an excellent safety profile based on over 40 years of research, though most safety data derives from topical applications and animal studies

Seek medical advice if fatigue: Persists beyond several months without improvement, despite adequate nutrition and hydration Worsens progressively or becomes debilitating, significantly impairing daily activities or work capacity Is accompanied by severe or persistent gastrointestinal symptoms (intractable nausea, vomiting, diarrhoea, abdominal pain) Occurs alongside signs of dehydration (dark urine, dizziness, reduced urine output, dry mouth) Is associated with symptoms of hypoglycaemia (tremor, sweating, confusion, palpitations), particularly in patients taking concurrent insulin or sulphonylureas Urgent medical attention is required if patients experience: Severe abdominal pain , especially if radiating to the back, which may indicate pancreatitisa rare but serious adverse effect of GLP-1 medications