Rainbow Light Nutritional Systems manufactures vitamins and nutritional supplements using plant-based ingredients. The company has been operating since 1981 and offers a range of products including multivitamins, prenatal supplements, and health-focused formulations for different life stages, available in various forms such as gummies, liquids and tablets. All products come with a 60-day money-back guarantee. They would be a suitable referral for clients seeking quality nutritional supplements, particularly those interested in plant-based options or specific health areas such as prenatal, immune or bone health.