This is to equalize the pressure inside the vial
While GHK-Cu skin benefits are well-documented, some users report temporary irritation or breakouts, especially if used with incompatible products
(8) A B W Tavares, E Micmacher, S Biesek, R Assumpo, et al (2013) Effects of Growth Hormone Administration on Muscle Strength in Men over 50 Years Old International Journal of Endocrinology, 2013 Dec 8, Volume 2013, Page 942030
Larger total quantities would shift the cost-per-mg slightly but at the trade-off of needing to consume larger reconstituted volumes within the window
At Perfect B in Doral, FL, we prescribe BPC-157 for a narrower and more defensible set of indications than most websites suggest, because that is what our patients actually benefit from