Clean Food for a Fit Body.  WelleCo's plant-based elixirs are backed by science, driven by nature. Cofounded by Elle Macpherson and designed by leading nutritional doctors, WelleCo elixirs are dietary supplements with carefully formulated ingredients derived from whole foods that nourish the body from within at a cellular level.  In easily absorbable powder form, they are designed to nourish the body’s 11 systems from the inside out. Shop WelleCo's supplements at Sulis & Thermae.