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L-Glutamine para Crohn's Disease

C

Small RCTs show glutamine (0.5 g/kg/day) improves intestinal permeability and morphology in Crohn's patients. Evidence limited by small sample sizes.

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C

Conclusión

Small RCTs show glutamine (0.5 g/kg/day) improves intestinal permeability and morphology in Crohn's patients. Evidence limited by small sample sizes.

Key Study Findings

Other
Multiomics reveals microbial metabolites as key actors in intestinal fibrosis in Crohn's disease.
Dose: None vs: None Outcome: Gut microbiota composition Efecto: None None

Población: Crohn's disease patients

Other
Multi-Omics Reveals the Effects of Cannabidiol on Gut Microbiota and Metabolic Phenotypes.
Dose: None vs: None Outcome: Cholesterol levels Efecto: None None

Población: Mouse model

Controlled Clinical Trial
Washed microbiota transplantation for Crohn's disease: A metagenomic, metatranscriptomic, and metabolomic-based study.
Dose: Washed microbiota transplantation (WMT) vs: Pre-treatment baseline Outcome: Clinical remission and multi-omics changes Efecto: None None

Población: Patients with Crohn's disease

In Vitro
Constitutively active autophagy in macrophages dampens inflammation through metabolic and post-transcriptional regulation of cytokine production.
Dose: Beclin1 constitutive activation (genetic) vs: Wild-type mice Outcome: Cytokine production in macrophage activation Efecto: None None

Población: Beclin1 variant mice + AIEC infection

Observational Study n=262
Gut Microbiome-Generated Phenylacetylglutamine from Dietary Protein is Associated with Crohn's Disease and Exacerbates Colitis in …
Dose: Phenylacetylglutamine (PAGln, measured) vs: Healthy controls (n=126) Outcome: PAGln association with CD and colitis Efecto: None None

Población: New-onset treatment-naive CD (n=136) + controls

Observational Study
COMPLEMENTARY AND ALTERNATIVE MEDICINE USE IN BRAZILIAN PATIENTS WITH INFLAMMATORY BOWEL DISEASE.
Dose: None vs: None Outcome: CAM use patterns in IBD patients Efecto: None None

Población: Brazilian IBD patients

Key Statistics

3

Estudios

200

Participantes

Positive

C

Calificación

Referenced Papers

The Cochrane database … 2018 425 citas
Gastroenterology clinics of … 2018 67 citas
Current opinion in … 2017 37 citas
The Cochrane database … 2016 37 citas
The Cochrane database … 2007 192 citas
Current opinion in … 2005 22 citas
Clinical nutrition (Edinburgh, … 2004 18 citas
Alimentary pharmacology & … 2003 179 citas
Revista do Hospital … 2002 39 citas
Current opinion in … 2002 1 citas
Current opinion in … 2002
The Cochrane database … 2001 149 citas
Current opinion in … 2000 21 citas
Zeitschrift fur Gastroenterologie 1998 18 citas
Schweizerische medizinische Wochenschrift. … 1996

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Dosificaciones de uso común

general:
5-15 g/day
ibsdsupport:
5 g three times daily (15 g/day total)
postexercisegut:
0.25-0.9 g/kg before intense exercise
gutbarriersupport:
0.5 g/kg/day (approximately 30-40 g/day for adults)

Límite superior: Generally well-tolerated up to 0.5 g/kg/day; caution above 40 g/day

Dosificaciones estudiadas en la investigación

Dosificación Duración Efecto N
None -- Positive --
None -- Positive --
Washed microbiota transplantation (WMT) -- Positive --
Beclin1 constitutive activation (genetic) -- Positive --
Phenylacetylglutamine (PAGln, measured) -- Negative 262
None -- Mixed --
None -- Negative --
None -- Mixed --

Mejor momento para tomar: Between meals or before exercise; divide doses throughout the day

Safety & Side Effects

Efectos secundarios reportados

  • Mild gastrointestinal discomfort at high doses
  • Headache
  • Dizziness at very high doses
  • Potential glutamate excitotoxicity concerns in neurological conditions (theoretical)

Interacciones conocidas

  • Lactulose (glutamine may reduce the efficacy of lactulose for hepatic encephalopathy)
  • Anti-seizure medications (glutamine converts to glutamate; theoretical concern)
  • Chemotherapy agents (glutamine may protect cancer cells; discuss with oncologist)

Ingesta máxima tolerable: Generally well-tolerated up to 0.5 g/kg/day; caution above 40 g/day

Consulte siempre a su profesional de salud antes de comenzar cualquier suplemento.Siempre consulte a su profesional de salud antes de comenzar cualquier suplemento.

Frequently Asked Questions

Does L-Glutamine help with Crohn's Disease?
Based on 3 studies with 200 participants, there is limited but promising evidence that L-Glutamine may support Crohn's Disease management. Our evidence grade is C (Some Evidence).
How much L-Glutamine should I take for Crohn's Disease?
Studies have used various dosages. A commonly studied range is 5-15 g/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of L-Glutamine?
Reported side effects may include Mild gastrointestinal discomfort at high doses, Headache, Dizziness at very high doses, Potential glutamate excitotoxicity concerns in neurological conditions (theoretical). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for L-Glutamine and Crohn's Disease?
We rate the evidence as Grade C (Some Evidence). This rating is based on 3 peer-reviewed studies with 200 total participants. The overall direction of effect is positive.

Related Evidence

Aviso legal FDA: Estas declaraciones no han sido evaluadas por la Food and Drug Administration. Los productos y la información en este sitio web no están destinados a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. Las calificaciones de evidencia presentadas se basan en nuestro análisis de investigación publicada revisada por pares y no constituyen consejo médico. Siempre consulte a su profesional de salud antes de comenzar cualquier régimen de suplementos.