Nutramagen and flavours

[HighchairWars]

DD has been prescribed nutramagen for CMPA but I am concerned (after reading posts) that she may not drink it due to taste. I have read about using vanilla/nesquik/crusha to improve the taste, what amount of vanilla/nesquik/crusha do you put in a 6oz bottle? TIA

How old is she? Neither of my DD's have rejected it 11 weeks old and 15 weeks old.
Worth trying straight up to begin with.

I've not heard of using flavouring but have read on here about gradually introducing by using normal formula in decreasing amounts.