This is the most common question and the answer from a mechanistic standpoint is yes, they are complementary rather than redundant : BPC-157 works through nitric oxide and growth factors (gut-mediated) TB-500 works through actin mobilization and cell migration (structural) These are non-overlapping pathways, which is the theoretical basis for combining them
I have been dealing with extreme breakouts on my cheeks (a distinct patch that gets cystic bumps over and over) and jaw area for months and cut out dairy/gluten a month ago
Results can vary, but many clients report noticeable improvements within a few weeks, inspiring confidence in the effectiveness of the treatment
PMID 2494955
As for safety, tolerable upper intake levels (known as ULs) are set for vitamins and minerals when evidence is sufficient
The peptide activates tissue remodeling through stimulation of decorin, which organizes collagen fibril architecture, and through suppression of transforming growth factor-beta (TGF-) signaling, reducing fibrotic scar formation [3]