Supplement Labs Slippery Elm Powder is made from the inner bark of Ulmus rubra, a herbal source of natural mucilage known for its soothing and demulcent properties. Each 200 g pouch provides a finely milled, 100% pure herbal powder traditionally used to support digestive comfort and maintain normal mucous membrane function.This plant-based formula forms a gentle, soothing mixture when added to water or juice — ideal for those seeking natural digestive support. It is vegan, gluten-free, non-GMO, and contains no preservatives or additives.Use only as directed. Consult a healthcare provider before use if pregnant, breastfeeding, or taking medication. May affect absorption of oral medicines; take separately by at least 1–2 hours.