Visible results require patience - first subtle improvements appear at 4-6 weeks, noticeable anti-aging effects at 6-12 weeks, and maximum benefits at 12-24 weeks with diminishing returns thereafter
Red or purple chromaturia is a side effect of hydroxocobalamin, typically resolving over several weeks.2 Additional causes of red urine include blood (e.g., traumatic catheterization, malignancy, infection), dietary ingestion (e.g., beets), and medications (e.g., rifampin, phenothiazines).3 Although benign and not warranting further evaluation by itself, hydroxocobalamin-induced discolouration of body fluids may interfere with colorimetric sensors
Some people with asthma use nebulized glutathione as a way to reduce inflammation and improve breathing
GHK-Cu has also been shown to help reduce photo damage and hyperpigmentation