half life of bpc-157 clears your system in under 2 hours. That's why it needs daily dosing. TB-500's plasma half-life is only about 2 hours, but it enters your cells and binds to actin monomers BPC-157 - Wikipedia

Effects of topical creams containing vitamin C, a copper-binding peptide cream and melatonin compared with tretinoin on the ultrastructure of normal skin

It is utilised as an analytical reagent in laboratory investigations examining cellular metabolism, metabolic signalling and the biochemical mechanisms that contribute to energy homeostasis

But if you take B12 supplements, you risk ingesting more B12 than you actually need

Nerve Health: Supporting the nervous system and DNA synthesis

[1] As a compounded product, it is not an FDA-approved commercially manufactured drug

The outer abdomen, particularly the lower quadrants, contains substantial fat even in relatively lean individuals