Safe and effective under the supervision of a specialist doctor
Lu, W., Wang, L., Chen, L., Hui, S
GHK-Cu has well-documented, broad-spectrum anti-inflammatory properties
You might be taking this supplement to support your liver, brighten your skin, or boost your overall antioxidant defense
Risks : Because nasal delivery bypasses first-pass metabolism but still enters systemic circulation, users may still experience systemic side effects like nausea, flushing, and transient increases in blood pressure
Storage and Shelf Life Proper storage preserves peptide integrity: Refrigeration : Store at 36-46F (2-8C) when possible Avoid freezing : Freezing can damage peptide structure Protect from light : Keep in original packaging or dark storage Check expiration : Most nasal sprays remain stable for 30-90 days after reconstitution Observe changes : Discard if color, clarity, or odor changes Quality peptide suppliers provide detailed storage instructions with each product