bpc 157 oral by synergenx health BPC-157: Benefits, Mechanism & Research Guide BPC-157 PURE Oral Spray
Description
they aren't interchangeable

Effects of vitamin B12 on performance and circadian rhythm in normal subjects

J Glaucoma 17:4347

Toxin and drug exposure Some also hypothesise that toxin exposure could trigger ME/CFS (61), such as organophosphate compounds (152, 153) and heavy metals (154)

Vitamin B12, for example, can degrade over time if exposed to high temperatures or direct sunlight
