Vitamin D, yes, but don't forget iron.
Kazal
Louis A
LA
D018798:Anemia, Iron-Deficiency / Q000517:prevention & control*; D001942:Breast Feeding; D019587:Dietary Supplements; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007501:Iron / Q000008:administration & dosage*; D007855:Lead Poisoning / Q000209:etiology; D010842:Pica / Q000150:complications; D014807:Vitamin D / Q000008:administration & dosage
D014807:Vitamin D; D007501:Iron