They are currently mainly used in scientific research and can be applied for health conditioning in some scenarios
This is longer than the typical 4-6 week cycle used for musculoskeletal repair, reflecting the slower pace of GI tissue remodeling

Decision Framework: Which to Choose The choice between BPC-157 and GHK-Cu depends entirely on the research question: Choose BPC-157 if: Research focuses on tissue repair, angiogenesis, or growth factor signaling Studying gastrointestinal, vascular, or musculoskeletal tissue contexts Recovery research is the primary application Research builds on the substantial BPC-157 preclinical research base Choose GHK-Cu if: Research focuses on gene expression modulation Studying skin biology, collagen synthesis, or dermatological research Anti-aging research is the primary application Research benefits from the largest published research base in the catalog Choose both (or combination formulations) if: Research includes both tissue repair and gene expression mechanisms Multi-mechanism combination research is the goal Skin biology research with tissue-repair components benefits from both pathways The GLOW Blend or KLOW Blend formulations match the research question Quality Considerations Both peptides share the same quality framework: Manufactured via Solid-Phase Peptide Synthesis with synthetic amino acids No animal-derived materials Independent third-party testing by Janoshik Analytical 99% HPLC purity per peptide Mass spectrometry identity confirmation Verifiable Janoshik unique keys For complete quality framework coverage, see How to Verify Peptide Quality and How to Read a Janoshik COA

pea-sized amount once daily, usually evening Neck and dcolletage: 2 %3 % nightly
Phase II data showed up to 24.2% mean body weight reduction at 48 weeks at the highest dose approximately 10 percentage points above semaglutide's best observed outcome
Gaillard D et al