{"ok":true,"entry":{"slug":"marshmallow-root","kind":"supplement","name":"marshmallow root","aliases":["Althaea officinalis"],"brands_sg":["Frontier Co-op","Nature's Way","Nature's Answer","Swanson Vitamins","Oregon's Wild Harvest"],"class":"botanical","tags":["gut"],"use_for":"a traditional mucilage demulcent — evidence is limited","use_after":null,"use_duration":null,"take_with":null,"pros":["gras in food amounts per the us fda (lactmed)","generally well tolerated in adults (lactmed)","root polysaccharides form a bioadhesive layer"],"cons":["gerd research on marshmallow root is limited","allergic reactions reported, though rarely","no valid trials back the milk-supply use"],"dose_note":"no dose can be quoted from the sources read — neither lactmed nor the 2025 gerd review states an amount for marshmallow root, and the gerd review says research on it is limited; lactmed notes it is 'generally recognized as safe' in the amounts found in foods, that it is generally well tolerated in adults with allergic reactions reported rarely, and that no data exist on its excretion into breastmilk or on its safety in nursing mothers or infants; no rda, ul, fda daily value or hsa singapore daily limit exists for it","dosage":{"ul":null,"unit":null,"fda_dv":null,"rda_ai":null,"ul_status":"none_established","population":"general adult","hsa_max_daily":null},"ul_status":"none_established","sg_class":null,"cautions":["allergic reactions have been reported, rarely (lactmed)","breastfeeding — no data on marshmallow in breastmilk or in nursing infants (lactmed)","gerd or reflux — the clinical evidence for this root is limited (komolafe 2025)","not listed in hsa's prohibited or restricted annexes — that is not a safety finding"],"clashes":[],"sources":[{"id":"lactmed_marshmallow_safety","url":"https://www.ncbi.nlm.nih.gov/books/NBK501839/","label":"NIH LactMed (Drugs and Lactation Database, NICHD) — Marshmallow monograph, Bookshelf NBK501839, updated 15 May 2024","quote":"Marshmallow is generally well tolerated in adults, with allergic reactions reported rarely. Marshmallow is 'generally recognized as safe' (GRAS) in amounts found in foods by the U.S. Food and Drug Administration.","accessed":"2026-08-27"},{"id":"lactmed_marshmallow_breastmilk","url":"https://www.ncbi.nlm.nih.gov/books/NBK501839/","label":"NIH LactMed — Marshmallow, Summary of Use during Lactation (data gaps)","quote":"No data exist on the excretion of any components of marshmallow into breastmilk or on the safety and efficacy of marshmallow in nursing mothers or infants.","accessed":"2026-08-27"},{"id":"lactmed_marshmallow_galactogogue","url":"https://www.ncbi.nlm.nih.gov/books/NBK501839/","label":"NIH LactMed — Marshmallow, purported galactogogue use","quote":"Orally, marshmallow is a purported galactogogue, and is included in some proprietary mixtures promoted to increase milk supply; however, no scientifically valid clinical trials support this use.","accessed":"2026-08-27"},{"id":"komolafe2025_marshmallow","url":"https://europepmc.org/article/PMC/PMC11944625","label":"Natural Products in the Management of Gastroesophageal Reflux Disease (Komolafe et al., Nutrients 2025) — section 5.5, Marshmallow Root","quote":"Althæa officinalis L., also known as marshmallow, is a medicinal plant belonging to the Malvaceae family … The root contains bioadhesive and mucilaginous polysaccharides that produce a protective barrier","accessed":"2026-08-27"},{"id":"komolafe2025_limits","url":"https://europepmc.org/article/PMC/PMC11944625","label":"Komolafe et al., Nutrients 2025 — limitations section on evidence quality","quote":"research on botanicals including marshmallow root, slippery elm, Myrtus communis, and Cydonia oblonga is limited, which reduced their usefulness for GERD treatments","accessed":"2026-08-27"},{"id":"hsa_prohibited","url":"https://file.go.gov.sg/hsa-chp-prohibited-restricted-ing-guidelines.pdf","label":"HSA Singapore — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev. No. 001 (October 2025), Annex A (118 rows) and Annex B (4 rows) — marshmallow / Althaea officinalis not listed in either (alphabetical neighbours 4. Adonis vernalis, 5. Antiaris toxicaria)","quote":"The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list.","accessed":"2026-08-27"},{"id":"hsa_hs_guidelines","url":"https://file.go.gov.sg/hsa-hs-guidelines.pdf","label":"HSA Singapore — Health Supplements Guidelines GL-CHPB-3-001 Rev. No. 020 (January 2026), clause 4.8 with Tables 4–5 (vitamins and minerals only — no botanical rows)","quote":"4.8 HS for use by the general adult population should not contain vitamins and minerals exceeding the stipulated limits stated in Tables 4 and 5.","accessed":"2026-08-27"},{"id":"iherb_sg","url":"https://sg.iherb.com/c/marshmallow-root","label":"iHerb Singapore — Marshmallow Root category page, default listing order","quote":"1 - 10 of 10 results: Frontier Co-op, Organic Marshmallow Root; Nature's Way, Marshmallow Root; Nature's Answer, Marshmallow Root Fluid Extract; Swanson Vitamins, Marshmallow Root; Oregon's Wild Harvest, Organic Marshmallow","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:24.715168+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}