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10.1186/s12951-021-00908-2 152
& Seta, Y

Caspase and apoptosis pathways become activated through upregulation of CASP1, CASP3, CASP6, CASP7, CASP8, and CASP10 genes

Krezic, I., et al

Vitamin B12 can also be given as a subcutaenous injection
Both B12 shots and IV infusions bypass the gastrointestinal tract entirely, eliminating this dose-dependent absorption loss