how much bpc 157 to take daily 157: Science-Backed Uses, Benefits, Dosage, and Safety Home BPC-157 Calculator: Dose, Units,

When similar types of stimulation are applied prior to paired associative stimulation (PAS) with a 25-ms interval, which is a protocol to induce long-term potentiation-like plasticity in M1, PAS can be bidirectionally modulated: cTBS cerebellum and cathodal tDCS cerebellum lead to significant enhancement of PAS-induced M1 plastic effect above the ShamTBS cerebellum +PAS M1 level, while iTBS cerebellum and anodal tDCS cerebellum lead to its abolition [247, 248]

Low levels below 200 pg/mL may indicate conditions such as pernicious anemia, absorption issues, or dietary deficiencies

They should be kept in a cool, dry place away from direct sunlight and moisture

If you suspect degradation, starting a fresh vial is the safest approach