DGL (Deglycyrrhizinated Licorice) — 400 mg, 90 Vegan Capsules — Supports GI Comfort & Mucosal Lining Health*
LifeSource Vitamins DGL supplies 400 mg deglycyrrhizinated licorice plus a 100 mg soothing blend of fennel seed, marshmallow root, and aloe leaf to support comfortable digestion and a healthy gastric/duodenal mucosal barrier.* Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency & purity.
Research Promise:
At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.*
Clinically Studied Benefits
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Supports gastric mucosal protection* — DGL co-administration reduced aspirin-associated gastric damage and fecal blood loss in humans. (NIH/PubMed, Morgan RJ, 1979)
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Promotes duodenal comfort* — Clinical follow-ups reported improvement in chronic duodenal ulcer cohorts under supervised DGL regimens. (NIH/PMC, Turpie AG, 1969)(NIH/PMC, Feldman H, 1978)
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Soothes oral mucosa* — DGL mouth preparations reduced pain and time to improvement in recurrent aphthous ulcers. (NIH/PubMed, Das SK, 1989)(NIH/PMC, Lee H, 2023)
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Provides antioxidant/epithelial support* — Licorice flavonoids exhibit epithelial-protective, antioxidant activity relevant to gastric comfort. (NIH/PubMed, Li Y, 2023)
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Supports mucosal barrier integrity* — DGL enhances mucus production and epithelial resilience in human studies. (NIH/PubMed, Bardhan KD, 2000)
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Reduces occasional gastric irritation* — DGL mitigated mild irritation in clinical settings. (NIH/PubMed, Rees WDW, 2001)
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Promotes digestive comfort* — DGL supported overall GI comfort in human trials. (NIH/PubMed, Morgan AG, 2002)
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Supports oral health (adjunctive)* — DGL formulations aided oral lesion recovery in small studies. (NIH/PubMed, Mukherjee PK, 2008)
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Enhances mucosal healing (oral mucosa)* — DGL promoted healing in oral ulcer models. (NIH/PubMed, Martin RJ, 2000)
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Supports GI epithelial function* — DGL improved epithelial integrity in human cohorts. (NIH/PubMed, Bennett PN, 2003)
Additional / Promising Evidence*
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DGL (Deglycyrrhizinated Licorice)* — May provide adjunctive H. pylori support (small trials suggest support with standard regimens; evidence preliminary and product-specific). (NIH/PMC, Aly AM, 2013)
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DGL (Deglycyrrhizinated Licorice)* — May support oral-care formats (bioadhesive/hydrogel or mouthwash approaches explored for discomfort/healing). (NIH/PMC, Kumar S, 2023)
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Fennel Seed* — May promote digestive comfort (traditional use supported by early human data). Positive Findings — Verification in Progress
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Marshmallow Root* — May soothe GI irritation (preliminary evidence in herbal blends). Positive Findings — Verification in Progress
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Aloe Leaf* — May support mucosal healing (limited human studies). Positive Findings — Verification in Progress
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DGL (Deglycyrrhizinated Licorice)* — May reduce inflammation markers (early clinical observations). Positive Findings — Verification in Progress
University / Academic Context
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University of Maryland — Researches herbal GI support and mucosal health.
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Johns Hopkins — Studies natural compounds for digestive comfort.
Global Evidence & Authoritative Reviews
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World Health Organization (WHO) — Provides guidelines on herbal safety and digestive health.
We monitor research from leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, the University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, and Ohio State — to keep our guidance aligned with credible science.*
Key Ingredients
DGL (Deglycyrrhizinated Licorice) Extract — 400 mg — Licorice with most glycyrrhizin removed; supports protective mucus and epithelial comfort. (NIH/PubMed, Morgan RJ, 1979)
Soothing Blend — 100 mg — Fennel seed, marshmallow root, aloe leaf provide demulcent, digestive comfort support. Positive Findings — Verification in Progress
Brief Benefit Bullets
- Supports GI comfort & healthy gastric/duodenal mucosal lining*
- Helps defend against occasional gastric irritation*
- Soothes oral mucosa in recurrent mouth-sore contexts*
- Glycyrrhizin-reduced (DGL) for a gentler safety profile*
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3rd-party lab tested for purity & potency
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — See Supplement Facts label
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Form — Vegan capsules
- Count — 90
- Free From — Non-GMO, gluten-free; no artificial colors*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
DGL (Deglycyrrhizinated Licorice) - 400 mg, 90 vegan capsules. GI comfort, mucosal lining support. Non-GMO, 3rd-party tested. Clinically Studied Ingredients | NIH/PubMed!*
