Its safe to use in the sense that it wont cause harm, but its biologically inactivedegraded peptide fragments dont bind collagen receptors or inhibit matrix metalloproteinases, so you lose the anti-ageing effect
doi: 10.1371/journal.pone.0127507 11 ShiYSunYSunXZhaoHYaoMHouLet al
Research Background In preclinical (animal and in vitro) models, BPC-157 has been studied as a cytoprotective peptide of interest in gastrointestinal, musculoskeletal, and vascular research
However, its recommended to avoid large amounts of grapefruit juice 14 , which can possibly impact how your body absorbs different compounds, including hormones
A 2023 PubMed-indexed absorption study showed that untreated skin absorbs virtually no GHK-Cu, while microneedle-treated skin absorbs 134 nanomoles of GHK-Cu within nine hours a greater-than-20-fold improvement
90 In another controlled trial, 86 tinnitus patients received either a single intratympanic injection of caroverine (Tinnitin) (a glutamate-blocking muscle-relaxing drug used in Austria and Switzerland to treat tinnitus), oral ginkgo extract for three months, a placebo injection, or oral placebo for three months