Skin sensations such as itching or flushing
Unlike fat-soluble vitamins (A, D, E, and K), which are stored in fat tissue for long periods, water-soluble vitamins are processed relatively quickly: your body takes what it needs, stores a small amount in the liver, and passes most of the rest in urine
Technical/Research Applications BPC 157 may be applied as a laboratory comparison article for peptide identity mapping, receptor-binding assay controls, LC-MS sequence confirmation, lyophilized-material comparability, and biochemical pathway calibration
Theoretical concerns Copper accumulation: GHK-CU contains copper, raising theoretical concerns about accumulation with long-term use