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For GHK-CU, research shows effectiveness across a wide range, making precise weight calculations less critical than consistent administration

The only trial FDA staff were able to find about the effectiveness of using BPC-157 to treat ulcerative colitis was a meeting abstract reporting on the results of a study using 46 people in which the peptide was given as an enema, not as an injection

Theres also some concern that copper peptides could lose their efficacy when layered with strong acids, vitamin C, or retinoids

A novel microbial and hepatic biotransformation-integrated network pharmacology strategy explores the therapeutic mechanisms of bioactive herbal products in neurological diseases: the effects of Astragaloside IV on intracerebral hemorrhage as an example