Gojkovic S, Krezic I, Vranes H, Zizek H, Drmic D, Horvat Pavlov K, el al
That said, outside of certain sensitivities, allergies, or medical conditions, it's extremely difficult to take "too much" vitamin B12
These include: Oxidative stress: One of the more recent studies on DSIP, from 2011, concluded that the peptide has a strong antioxidant effect owing to an ability to activate the (rat) bodys natural mechanisms against oxidative stress.21 Edema (swelling via fluid buildup): Again in rats, a 1992 study suggested that DSIP may have an antiedematic effect related to the activation of the GABAergic system and inhibition of serotonin, noradrenaline, and histamine systems.22 Convulsions: Two rodent studies in the 1990s support DSIPs use as an anticonvulsant
The TGA has classified BPC-157 as a Schedule 4 Prescription Only Medicine