Supplement reference

Slippery Elm

A source-linked reference on Slippery Elm, evidence, safety and product identity. Sources checked 6 September 2026.

Source and review status

Published sources checked

Sources checked on: 6 September 2026

Qualified clinical review: Pending. This page has not been clinically reviewed.

About this source check

AI-assisted editorial source checking covers the cited material and its stated limits. It is not a systematic review, verification of a supplied product, or clinical sign-off.

Editorial role: InfoAddict. Last material change: 6 September 2026. Next source review: 6 March 2027.

Ingredient and preparation

Slippery elm usually refers to Ulmus rubra inner bark, sometimes supplied as powder or lozenge ingredients.

Sources: National Library of Medicine, LiverTox

Evidence and limits

LiverTox identifies slippery elm as Ulmus rubra inner bark and notes no published liver-injury cases, but also no large-scale adverse-event trials. It does not establish treatment of gastrointestinal symptoms.

Sources: National Library of Medicine, LiverTox

Safety and a useful record

Mucilaginous products can affect how other oral products are taken. Bring the full product and medicine list to a pharmacist when considering use.

Sources: National Library of Medicine, LiverTox, National Center for Complementary and Integrative Health

Record the plant part, preparation, other oral medicines and symptom timing.

Sources: National Center for Complementary and Integrative Health

Published sources

  1. Slippery Elm

    National Library of Medicine, LiverTox. Updated 5 January 2024; accessed 6 September 2026.

    Supports: Ulmus rubra inner-bark identity, use context and absence of published liver-injury reports, not efficacy for gastrointestinal disease.

  2. Safe Use of Complementary Health Products and Practices

    National Center for Complementary and Integrative Health. Current NCCIH reference; accessed 6 September 2026.

    Supports: General safety, interaction and contamination context. It does not establish ingredient-specific benefit.

Change history

DateChangeClinical-review status
6 September 2026Source-linked reference publishedPending

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