14 Jun 2019 --- Nestlé has launched a probiotic solution for lactating mothers, to help them reduce the risk of breast pain and mastitis – a painful inflammatory condition of the breast – during breastfeeding. MATERNA Opti-Lac is a food supplement that contains a patented probiotic strain L. fermentum LC40, naturally found in breastmilk of healthy mums to support breast health. MATERNA Opti-Lac is being launched first in Hong Kong with several markets to reportedly follow in the coming months globally.