Bacteriostatic water contains 0.9% benzyl alcohol, which helps extend the solutions shelf life to 23 weeks when refrigerated
Krivic et al., 2008) (i.e., after the Achilles tendon transection and detachment from calcaneal bone), or ligament healing (Figure 11), BPC 157 counteracts muscle disability related to various noxious procedures, after abdominal aorta anastomosis (Perovic et al., 2019), severe electrolytes disturbances (Medvidovic-Grubisic et al., 2017), application of the succinylcholine (Stambolija et al., 2016), neuroleptics (Jelovac et al., 1999
In short: the ingredients have plausible mechanistic support (strongest for GHK-Cu)
Other reported effects: Headache and nausea have been noted anecdotally