Competition for metabolic enzymes could theoretically alter the blood levels of either BPC-157 or the competing medication
Changes in skin tone, if any, are gradual and may take several weeks or months of consistent use to show noticeable effects
In 2014, an influential study by Wang et al
A major antioxidant involved in reducing oxidative stress, enhancing metabolic detoxification, and regulating the immune system, glutathione levels were found to have skyrocketed in metastatic cancer cells that invaded the lung
Its impossible to know if this is due to reduced absorption or just the typical pill failure rate of 9% annually with typical use, but the theoretical risk is concerning enough that many doctors recommend alternative contraception
It is also important that the vials should not be exposed to extreme temperatures or direct light, so that the efficacy of their preservative, as well as the reconstituted medications, remains intact