Research indicates that low maternal B12 status is associated with a higher risk of adverse outcomes, including neural tube defects, preterm birth, low birth weight and potential impacts on cognitive development, although evidence of direct causation remains limited
Foote CA, Soares RN, Ramirez-Perez FI, Ghiarone T, Aroor A, Manrique-Acevedo C, Padilla J, Martinez-Lemus L
Your side of the pond tends not to have access to hydroxocobalamin which is the form generally used in the UK, so the forms used are cyanocobalamin and sometimes methylcobalamin
Pickart & Margolina (2018) Biomolecules : Review documenting GHK-Cu's regenerative and protective actions across skin, wound healing, lungs, and nervous system
The Journal of Investigative Dermatology, 113 (3), 364368