Is it safe to use the Extra Strength Tablets when breastfeeding? SkinB5 Help Centre (HQ) April 15, 2019 23:43 Follow SkinB5 is a nutritional formulation. Acne Control Extra Strength Tablets are safe to take when breastfeeding. As always, please check with your doctor before using. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.