Neurotrauma 20, 337345
"Native" means that the whey is made directly from milk
That BPC 157, originally found in a longer form in stomach juices, was recently banned for being a non-approved substance, while the growth hormone secretagogues also feature on WADAs prohibited list under peptide hormones, growth factors, related substances, and mimetics. It can be challenging for laboratories to detect this type of doping, though
A 2006 Achilles-detachment study by Krivic and colleagues in the same journal applied BPC-157 intraperitoneally once daily at 10 g/kg, 10 ng/kg, or 10 pg/kg for 30 days in rats and reported that tendon-to-bone tissue, which did not heal spontaneously in saline controls, recovered with BPC-157 treatment, with directionally improved load-to-failure, stiffness, Young's modulus, and collagen organization at days 121, including in animals where healing had been impaired by 1 mg/kg 6-methylprednisolone though the abstract does not report numeric effect sizes or p-values