Our bodies are highly demanding of vitamins and minerals to function optimally
And of the few that exist (less than 10), they are either done in cell cultures or in rats
Vitamin B12, Vitamin B6, Vitamin B complex which includes B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B7 (biotin), B9 (folate)
It is important to note, however, that in the case of medicines administered by injection, the MHRA is governed also by the foundational Medicines Act 1968 (now largely embodied in the Human Medicines Regulations 2012 )
These effects typically resolve within the first week or two of use
However, it's best to consult with your doctor before starting this injection during pregnancy