Lyophilized BPC-157 powder can usually be stored longer than reconstituted solution when kept sealed, dry, dark, and cold
Stable Gastric Pentadecapeptide BPC 157 as a research protocol for the Disable [PMID: 34829776] Laboratory literature summary: Stable Gastric Pentadecapeptide BPC 157 as a research protocol for the Disable Myotendinous Junctions in Rats

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Tissue was homogenized as detailed above for respirometry studies
Curcumin protects renal tubular epithelial cells from high glucose-induced epithelial-to-mesenchymal transition through Nrf2-mediated upregulation of heme oxygenase-1
However, absence of thorough human clinical trial data means some uncertainty remains regarding long-term safety