Laurie, you're wise to do your research on the specific pharmacy you use when it comes to ordering online. Several members have posted links to services they use. I offer these articles to help you vet reliable online services.

— Choosing a safe online pharmacy: https://www.canada.ca/en/health-canada/topics/buying-using-drug-health-products-safely/safe-use-online-pharmacies.html
— So-Called “Canadian” Pharmacies are a Danger to Consumers, NABP Reports: https://nabp.pharmacy/news/news-releases/called-canadian-pharmacies-danger-consumers-nabp-reports/