Retain it for inspection and, if possible, for independent testing (pH, particulate count, microbial culture)
Do you offer lab testing on-site
Backed by clinical studies, such as those by Leyden et al
If you suspect significant deficiency I will suggest a blood test through your GP first
For most research protocols with common dosing ranges of 100500mcg, 2mL of BAC water per 510mg vial is the widely-used baseline
For further information on proper storage techniques, click the link below: Peptide Storage BPC-157 5mg (10 vials) is a synthetic 15-amino-acid peptide used in laboratory research to study peptide stability, cellular signaling, and experimental models of tissue and gastrointestinal biology