Do not take green tea whilst nursing a baby. The manufacturers always advise against nursing mothers taking it.

Pregnant and breastfeeding moms can consume apple cider vinegar and add it to their diets, however, keep in mind to consume only pasteurised organic apple cider vinegar while breastfeeding and be wary of its sources since unpasteurised apple cider vinegar comes with harmful bacteria which may harm the baby which which may lead to intestinal diseases.