The Rx Vitamins line of dietary supplements is formulated for specific health concerns using the foremost medical and nutritional knowledge available today. Each component is chosen on the basis of published clinical experience or laboratory research. The resulting formulations offer nutritional support to address the individuals unique health needs. Rx Vitamins uses only the highest quality, laboratory assayed ingredients all supported by solid scientific research. All their products are processed according to exacting pharmaceutical grade standards to ensure maximum potency, purity and quality.