1. Executive Summary (Confidence: High)

The Swiss Center for Health & Longevity, located in Zollikon/Zürich, serves as an elite "gateway to the pinnacle of Swiss healthcare" for individuals seeking to optimize their biological health. The center's methodology, the "Longevity Center Method," is rooted in rigorous medical science and extensive collaboration with a world-class scientific advisory board. Its primary diagnostic centerpiece is the "Blood Tuning" system (following the Strunz and Sahmel methods), which provides a high-resolution view of a patient’s molecular health to identify curative and preventive measures. Offering three tiers of comprehensive medical check-ups (Basic, Executive, Gold) and a suite of "Longevity Add-ons" like biological age assessment and DNA diagnostics, the center caters to a high-net-worth demographic focused on vitality and resilience.