The core activity of KKSwiss GmbH is the guidance and implementation of holistic fitness and health programs for people over 50 years old, particularly in the areas of back training, Antara, yoga, longevity, and O2 training. This includes group courses, individual training, and the organization of Golden Events, which aim to promote the physical fitness, well-being, and social connectedness of the participants. Additionally, the company distributes natural products that are intended to support health and well-being.