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Researchers who assume short half life equals short effect duration are applying the wrong mental model

Counteraction of perforated cecum lesions in rats: effects of pentadecapeptide BPC 157 L-NAME and L-arginine
Osteoarthritis and Degenerative Joint Disease: By promoting cartilage repair and reducing inflammation, peptides offer a regenerative alternative to corticosteroid injections for joint pain

Also, adenosyl B12 isnt widely available in injectable form, and many people can only absorb B12 when its injected

By providing a "shield" for these cells, glutathione may help support a more balanced internal environment, which is essential for maintaining vitality, mood, and physical drive

A 2020 review cites studies that indicate extravasation occurs in Injection site reactions may get better within a few days
