Food and Drug Administration has classified BPC-157, GHK-Cu (for injectable routes of administration), and TB-500 (Thymosin 4 fragment) as Category 2 Bulk Drug Substancessubstances with safety concerns that are prohibited from being compounded by licensed pharmacies for human use
Because topical absorption limits the systemic penetration of the copper ion, the risk profile is considered exceptionally low, leading the compound to be described by researchers as a safe, inexpensive, and extensively studied aesthetic therapeutic
According to research from the National Institutes of Health (NIH), inhalation can be effective for targeting lung-specific issues
Additionally, it is contraindicated in patients with megaloblastic anemia due to vitamin B12 deficiency without concurrent folate deficiency
GHK-Cu with GLP-1 medications
Complementary preclinical studies have explored BPC-157-associated vascular and angiogenesis-related outcomes in model systems such as chick chorioallantoic membrane assays and rodent tissue models