The only difference between between sterile water and bac water, is that bac water contains around 1% BA. If it reconstitutes, go for it. Just make sure that your sterile water is actually sterileI been using sterile water with bpc-157.Plan to use it with ghrp's.Anyone else use?In the past I always used bac water but it seems to be harder to find.Is it ok?Been trying to use it quick once reconstituted.No longer then 10 days before finished with bottle.