Its never been proven scientifically that mother's diet affects baby's digestion, except in the case of a rare milk protein intolerance. (babycenter.com)
For example, a baby may cry more when he or she has a digestion problem such as milk protein intolerance or milk sugar intolerance. (webmd.com)
For my son with cows milk protein intolerance, helping him get calories he needs by adding a dash to his oat milk porridge (planetorganic.com)