You May only do this through the official website if you'd like to purchase the GlucoTrust supplement mainly because it isn't really marketed in merchants or on other websites. ‡‡‡ The FreeStyle Libre 3 app along with the FreeStyle Libre 3 reader have related although not equivalent options. Fingersticks are https://feedbackportal.microsoft.com/feedback/idea/1f5fe191-0fc2-ee11-92bd-6045bd7b0481