Jane Barlow | Master Herbalist on Instagram: "This 1977 interview is Rene Caisse, a Canadian nurse who developed an herbal formula in the 1920s while caring for people with the c-word. 👩‍⚕️ The formula became known as Essiac (her last name spelled backwards). Essiac is a blend of herbs passed to Rene from traditional Indigenous knowledge and refined through decades of hands-on use and observation. The original formula is a specific combination of herbs traditionally prepared and taken together