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1,2,98 Pregnancy According to the EFSA, there is no evidence for teratogenicity or adverse effects on fertility or postnatal development with B12

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Moreover, some research suggests it might be useful in treatment plans aiming at reducing the cognitive deficits associated with chronic degenerative conditions

Patents and pharmaceutical interest: Washington State University researchers patented Dihexa for potential use in Alzheimers and dementia therapies, but no pharmaceutical company has taken it through regulatory development

If you want the broader context, start with the BPC-157 hub page, then use the deep dives for mechanism, evidence, safety and status, and quality and COA