You may also find https://www.allergyuk.org/about-allergy/allergy-in-childhood/cows-milk-allergy/ supportive in looking more into CMPA and they also have a helpline which you can call offering support ...

The number of babies being fed special CMPA formulas nearly tripled between 2007 and 2018. A 2022 report by the Baby Feeding Law Group told how brands set up 'advice' websites and social media ...