For those who don't care for a shot, oral supplementation with the two active forms of B12, methylcobalamin and adenosylcobalamin, may be as effective as a B12 shot
[10] Common adverse reactions include transient injection-site discomfort, acne, seborrhoea, increased body hair, mild fluid retention and elevations in haematocrit that may require dose reduction or therapeutic phlebotomy if haematocrit exceeds 54 %
The honest framing we give patients is this: the real cost of unregulated BPC-157 is not the price, it is injecting something whose concentration and purity you cannot verify
Nilsson, J., Ekblom, M., Moberg, M
For injectable use Injectable GHK-Cu involves more complexity