The research is expanding at a great rate, new light is constantly shed on the role of the human ‘microbiome’, while the brief post-natal window of opportunity to establish optimal gut health is confirmed by Yale and Harvard studies. Take advantage of that window and you can bestow a lifetime of better health on your child, so I’ve been a keen student of the probiotic story for a few years.

It’s been a long road from my first book The Natural Way to Better Babies - Preconception Healthcare for Prospective Parents, co-authored with Francesca Naish (Random House 1996). Back then Francesca and I ran weekend workshops because the story was very new and we were the only ones on that particular campaign trail.