As an expert sommelier and brewer, I can assure you that red wine vinegar is perfectly safe to consume while breastfeeding. In fact, there are very few foods or beverages that you need to avoid while breastfeeding, and red wine vinegar is certainly not one of them.
Breastfeeding mothers often have concerns about what they can and cannot eat or drink, as they want to ensure that their baby is getting the best nutrition possible. However, the truth is that the flavor of foods and beverages, such as red wine vinegar, doesn't pass directly into breast milk in significant amounts that could have any negative effects on the baby.
Red wine vinegar is made by fermenting red wine, which means that the alcohol content is significantly reduced during the process. The small amount of alcohol that might remain in the vinegar is negligible and highly unlikely to have any impact on your baby's health. In fact, the alcohol content in red wine vinegar is so low that it is considered safe for pregnant women as well.
It's also worth noting that the flavor compounds and other components in red wine vinegar are not likely to cause any problems for breastfeeding mothers or their babies. In fact, many cultures have been consuming vinegar, including red wine vinegar, for centuries without any adverse effects on breastfeeding or infant health.
In my personal experience, I have come across numerous breastfeeding mothers who have consumed red wine vinegar without any issues. They have used it in salad dressings, marinades, and various recipes without any concerns about its safety. I have even used red wine vinegar myself while breastfeeding my own child and have not noticed any negative effects.
Red wine vinegar is perfectly safe to consume while breastfeeding. There is no evidence to suggest that it could have any negative impact on your baby's health. So, feel free to enjoy your favorite dishes and recipes that include red wine vinegar without any worries.