DSA Consultants: Your Partner for Regulatory Affairs & GMP Quality Compliance. If your company provides manufacturing, packaging, wholesale, distribution or importing services, your company is responsible to ensure compliance with the Canadian Food & Drugs Act. DSA Consultants address every aspect of Drug, Medical Device, Natural Health Product and Cosmetic compliance. At DSA Consultants, we know that in order to be successful, you can’t be everything to every arm of the healthcare industry. We only provide consulting services and aren’t distracted by other business activities. Contact DSA Consultants for more information about how we can assist you.