doi: 10.1038/s41580-020-00313-x
The Limits of the Evidence Understanding what BPC-157 research does not establish is as important as understanding what it shows
Plain sterile water has no preservative, so it is meant for a single use and can grow bacteria once opened
Too little and you're wasting money
In the case of thin, crepey skin with many small wrinkles, the skin lacks its youthful support of collagen - and that can be corrected with collagen-induction therapies (there are non-invasive, non-surgical, and surgical options - generally speaking there is a trade-off between less invasive procedures needing more treatment sessions to achieve the same result as a more invasive procedure within this category of treatment)
and folate as Quatrefolic, which is proven to have greater stability, solubility, and bioavailability over calcium salt forms of 5-MTHF.*