Is it safe to take Collagen while Breastfeeding? COMING SOON! Our article about the safety of collagen usage while breastfeeding debuts later this week. Collagen, used in cosmetic treatments, is often taken as an oral supplement for the reduction of Brightening from Within: How Glutathione Naturally Reduces Hyperpigmen Setu Nutrition The Ultimate Guide: How Collagen and Glutathione Work Together for Rad Setu Nutrition Is Glutathione Safe During Pregnancy & Nursing? Understanding Risks and Benefits