bpc 157 peptide human studies Multifunctionality and Possible Medical Application of the Peptide—Literature and Patent Review BPC-157 – Prime Human Labs

Therefore, parenteral cyanocobalamin should be administered to a pregnant woman if the benefits outweigh the risks.[15][16] Cyanocobalamin is excreted in the breast milk of nursing women in levels similar to the level of vitamin B12 in maternal plasma.[25] The distributed cyanocobalamin in breast milk has been found to be compatible with breastfeeding by the American Academy of Pediatrics.[26] In addition, there has not been any reports of adverse effects associated with the intake of normal daily requirements of vitamin B12 during lactation

Some dried nori (seaweed) and fermented tempeh contain small amounts of B12, but the bioavailability is inconsistent

Thats where methylcobalamin (Methyl B12) comes in

The delivery method differs in how each treatment enters the body