His 30 years of extensive research and clinical practice led him to discover the many important studies that have been done in the areas of vitamins, enzymes, minerals, trace elements, herbs, anti-oxidants, amino acids, and diet. Further studies helped Mr. Wiechert incorporate his knowledge into life extension techniques and the growing problem of weight and obesity in this country. For 6 years he was the founder and director of Opti-Health Weight-loss and Longevity Center in Danville, CA and recently has formulated his own line of nutritional products called Orthomolecular Formulations.