bpc-157 periodontal regeneration An older study but it basically states what many of us know about peptides., treatment showed potent anti-inflammatory effects on tissues and significantly reduced alveolar bone Peptides π Bold statement, but
Description
These findings suggest partialbut incomplete-cell compensation and support the concept of a relatively more insulin-resistant metabolic milieu during the luteal phase
But it depends on what product it is

If you notice increased anxiety after starting B12 supplementation, it's worth discussing with your provider

Intramuscular injections deliver B12 directly into muscle, which allows it to enter the bloodstream and bypass digestive absorption problems (NIH ODS)
Roze E, Gervais D, Demeret S
