By dosage, the mean changes were: 500 mcg: 127% 750 mcg: 176% (single study) 1,000 mcg: 280% 1,500 mcg: 310% 2000 mcg: 260% 5,000 mcg: 62% While 1,500 mcg of vitamin B12 showed the highest average increase, the effect plateaued or declined at higher doses, suggesting a possible saturation of absorption pathways
(Contains description of formulation, indications, dosing, and storage recommendations)
[1] BPC 157 and the central nervous system Sikiric P, et al
[Properties of NAD binding by synaptic membranes of rat brain] [PMID: 6626596] Laboratory literature summary: [Properties of NAD binding by synaptic membranes of rat brain]
Pure Bio Labs BPC-157 is a high-purity peptide offered in a 5mg lyophilized powder format, intended strictly for laboratory research and development purposes
But the companies making and promoting these peptides are not especially deserving of blind trust