GHK-CU has by far the most extensive research, with studies spanning decades covering wound healing, gene expression, collagen synthesis, and anti-aging effects
What are the Limitations of Using GHK-Cu
These peripheral and central deficits can include severe gastrointestinal lesions, intracranial (superior sagittal sinus) hypertension, brain swelling and lesions, portal and caval hypertension, aortic hypotension, peripheral and central thrombosis, inferior caval vein and superior mesenteric vein congestion, azygos vein failure, electrocardiogram (ECG) disturbances, and heart, lung, liver, and kidney lesions (Vukojevic et al., 2018
doi: 10.1016/S0891-5849(00)00280-X 58 CoxP
(from a NON-GMO Sunflower Lecithin Source)