Functional Health Clinic is a Sioux Falls, South Dakota practice founded in 2014 by Marsha Kadlecik, PA-C. The clinic offers same-day medical appointments and an integrative, functional approach to health and wellness, with services spanning acute care, chronic care, and preventive health care. Treatments mentioned by the practice include PRP injections, ivermectin, and other functional medicine services. Operating from the historic Western Mall, the clinic emphasizes a peaceful, comfortable setting and focuses on collaborative, non-toxic, alternative-minded care grounded in functional principles and best practices.