Keep in mind that the best option depends on the underlying cause of the deficiency and your healthcare provider's recommendations
Theoretically, BPC-157 shows faster onset (4-6 days in animal models vs 2-6 weeks for human SSRIs), multi-system modulation rather than single-target effects, actual neuronal repair and regeneration (neuroprotection), no withdrawal syndrome in animals, and efficacy when given peripherally without extensive blood-brain barrier crossing
Such mechanisms only produce a small amount of free radicals that the body can typically process and eliminate
M., Andr, F., Chandarlapaty, S., Carey, L
Research references 10 mcg/kg in animals, and human practice typically uses 200 to 800 mcg per day
Narita, S