Supernanny Jo Frost Opens Up About Her Life-Threatening Anaphylaxis Condition Sunday, July 13, 2025 jofrost anaphylaxis allergies epipen health supernanny awareness allergy safety medical Jo Frost, best known as the TV Supernanny, has candidly shared her struggle with anaphylaxis, a serious and potentially life-threatening allergic reaction. In a heartfelt Instagram video, the 54-year-old emphasized the … Read More