Formulated with purity, safety, efficacyRx Balance products are formulated with the highest standards for purity, safety, and efficacy. These issue-based premium formulas, created in partnership with naturopathic doctor and biochemist Daniel Crisafi, are contained in amber bottles made 100% with environmentally friendly post-consumer resin (PCR). The line is sold exclusively in natural health stores. Ask your Purity Life sales rep for details.