DGL (Licorice) for Functional dyspepsia

Evidence grade C — DGL form

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

1 at grade C — 1 graded row

What is known

Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.

Outcome	Grade	Effect size	Agreement
Functional dyspepsiaDGL form	Evidence grade C	Unclear	mixed

Read off the same rows as above. Nothing here is added that the entry does not itself record.

For functional dyspepsia, DGL (Licorice) earns evidence grade C (unclear effect, mixed consistency) — the evidence is limited or mixed. DGL form

It supports mucosal defense and mucus production in the stomach lining; removing glycyrrhizin avoids licorice's mineralocorticoid effects.

Chewable DGL before meals for reflux/dyspepsia.

DGL is safe; regular licorice is not (hypertension, hypokalemia) — use the DGL form.

A useful, gentle option for heartburn and ulcers — but only as DGL. Never use high-glycyrrhizin licorice for this.

As the entry records it, from the studies it summarises. Not a recommendation for you — doses that suit a trial population may not suit you.

Entries that share this one's tags or conditions.

DGL (Licorice) for Dyspepsia / refluxEvidence grade C — Symptom reliefEvidence grade C
DGL (Licorice) for Mouth/peptic ulcersEvidence grade C — Older dataEvidence grade C
DGL (Licorice): dosage and how to take itChewable DGL before meals.Evidence grade C
DGL (Licorice): side effects, safety & interactionsDGL is safe; regular licorice is not (hypertension, hypokalemia) — use the DGL form.Evidence grade C

This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.

Last revised Jul 10, 2026. A grade is this entry's reading of the evidence, not medical advice.