Hydroxyzine (Vistaril, Atarax) is an antihistamine that has been studied for decades for the treatment of anxiety-related conditions
The rationale for combining them is complementary mechanisms : BPC-157 for trophic and anti-inflammatory effects, TB-500 for cell migration and angiogenesis [8]
Not sure if its just propaganda, but about bp157 google search says, BPC-157 affects the heart primarily by interacting with the nitric oxide (NO) system and blood vessel pathways, showing potential cardioprotective, blood pressure-modulating, and anti-arrhythmic effects in early research. Thats the kind of stuff that seriously plagues a lot of people, including endurance athletes
consistency across scheduled dosing days matters more than the hour of injection
Int J Mol Sci, 2020, 21(14)