A baby cannot taste salt until it is 4 month old.
The delay maybe related to the development of kidneys which start to process sodium at about that age.
Baby
Gut Health
How it shapes Mom’s wellbeing, breastfeeding, babies, toddlers. The gut–brain connection. From conception to a child’s 2nd birthday, the gut microbiome (the trillions of microbes
3 November 2025
