L-Glutamine cho Increased Intestinal Permeability (Leaky Gut)
D Nghiên cứu Chỉ tồn tại các nghiên cứu sơ bộ (nghiên cứu phòng thí nghiệm, báo cáo ca bệnh).Small studies in athletes show glutamine (0.25-0.9 g/kg) may reduce exercise-induced intestinal permeability.
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D
Kết luận
Small studies in athletes show glutamine (0.25-0.9 g/kg) may reduce exercise-induced intestinal permeability.
Key Study Findings
Review
Intestinal Barrier Impairment, Preservation, and Repair: An Update.
Dose: None
so với: None
Outcome: Intestinal barrier preservation and repair
Hiệu quả: None
None
Đối tượng nghiên cứu: IBD and IBS patients (review)
Other
Multi-Omics Reveals the Effects of Cannabidiol on Gut Microbiota and Metabolic Phenotypes.
Dose: None
so với: None
Outcome: Cholesterol levels
Hiệu quả: None
None
Đối tượng nghiên cứu: Mouse model
In Vitro
Effects of Glutamine, Curcumin and Fish Bioactive Peptides Alone or in Combination on Intestinal Permeability …
Dose: None
so với: None
Outcome: inflammation markers
Hiệu quả: None
None
Đối tượng nghiên cứu: Mice
Other
Perspective: Prospects for Nutraceutical Support of Intestinal Barrier Function.
Dose: None
so với: None
Outcome: None
Hiệu quả: None
None
Đối tượng nghiên cứu: None
Systematic Review
Effects of glutamine supplementation on inflammatory bowel disease: A systematic review of clinical trials.
Dose: None
so với: Placebo or standard care
Outcome: IBD symptom improvement
Hiệu quả: None
None
Đối tượng nghiên cứu: IBD patients
Controlled Clinical Trial
n=43
4 weeks
Herbal formula improves upper and lower gastrointestinal symptoms and gut health in Australian adults with …
Dose: 5 g/d
so với: None
Outcome: None
Hiệu quả: None
None
Đối tượng nghiên cứu: IBS patients
Key Statistics
2
Nghiên cứu
80
Người tham gia
↑
Positive
D
Xếp hạng
Referenced Papers
Nutrients
2024
47 trích dẫn
Cannabis and cannabinoid …
2024
10 trích dẫn
International journal of …
2023
9 trích dẫn
Effects of glutamine supplementation on inflammatory bowel disease: A systematic review of clinical trials.
Systematic Review
Clinical nutrition ESPEN
2021
39 trích dẫn
Advances in nutrition …
2021
34 trích dẫn
Nutrition research (New …
2020
42 trích dẫn
Gut
2019
148 trích dẫn
Current opinion in …
2017
71 trích dẫn
JPEN. Journal of …
2016
44 trích dẫn
Glutamine for induction of remission in Crohn's disease.
Systematic Review
The Cochrane database …
2016
37 trích dẫn
Gastroenterology
2015
17 trích dẫn
Scandinavian journal of …
2014
56 trích dẫn
Digestive diseases and …
2012
81 trích dẫn
Clinical nutrition (Edinburgh, …
2011
12 trích dẫn
MicroRNA-29a regulates intestinal membrane permeability in patients with irritable bowel syndrome.
Other
Gut
2010
263 trích dẫn
Clinics (Sao Paulo, …
2010
47 trích dẫn
Nutrition in clinical …
2008
42 trích dẫn
Clinical nutrition (Edinburgh, …
2005
43 trích dẫn
JPEN. Journal of …
2000
18 trích dẫn
JPEN. Journal of …
1999
129 trích dẫn
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Liều lượng thường dùng
- 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)
Giới hạn trên: Generally well-tolerated up to 0.5 g/kg/day; caution above 40 g/day
Liều lượng đã nghiên cứu
| Liều lượng | Thời gian | Hiệu quả | N |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| 5 g/d | 4 weeks | Positive | 43 |
| 5 g | 8.0 weeks | Positive | -- |
| None | -- | Mixed | -- |
Thời điểm dùng tốt nhất: Between meals or before exercise; divide doses throughout the day
Safety & Side Effects
Tác dụng phụ đã được báo cáo
- ⚠ Mild gastrointestinal discomfort at high doses
- ⚠ Headache
- ⚠ Dizziness at very high doses
- ⚠ Potential glutamate excitotoxicity concerns in neurological conditions (theoretical)
Tương tác đã biết
- ● 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)
Mức hấp thụ tối đa cho phép: Generally well-tolerated up to 0.5 g/kg/day; caution above 40 g/day
Luôn tham khảo ý kiến bác sĩ trước khi bắt đầu sử dụng bất kỳ thực phẩm bổ sung nào.Luôn tham khảo ý kiến chuyên gia y tế trước khi sử dụng bất kỳ thực phẩm chức năng nào.
Frequently Asked Questions
Does L-Glutamine help with Increased Intestinal Permeability (Leaky Gut)?
Based on 2 studies with 80 participants, there is preliminary evidence that needs more research that L-Glutamine may support Increased Intestinal Permeability (Leaky Gut) management. Our evidence grade is D (Very Early Research).
How much L-Glutamine should I take for Increased Intestinal Permeability (Leaky Gut)?
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 Increased Intestinal Permeability (Leaky Gut)?
We rate the evidence as Grade D (Very Early Research). This rating is based on 2 peer-reviewed studies with 80 total participants. The overall direction of effect is positive.
Related Evidence
Các thành phần khác cho Increased Intestinal Permeability (Leaky Gut)
L-Glutamine cho các tình trạng khác
References
- [1] Ayah Matar et al.. Nutrients. 2024. Intestinal Barrier Impairment, Preservation, and Repair: An Update. doi:10.3390/nu16203494 PubMed
- [2] Mengxue He et al.. Cannabis Cannabinoid Res. 2024. Multi-Omics Reveals the Effects of Cannabidiol on Gut Microbiota and Metabolic Phenotypes. doi:10.1089/can.2022.0331 PubMed
- [3] Ludovic D Langlois et al.. Int J Mol Sci. 2023. Effects of Glutamine, Curcumin and Fish Bioactive Peptides Alone or in Combination on Intestinal Permeability in a Chronic-Restraint Stress Model. doi:10.3390/ijms24087220 PubMed
- [4] Juliana Soares Severo et al.. Clin Nutr ESPEN. 2021. Effects of glutamine supplementation on inflammatory bowel disease: A systematic review of clinical trials. doi:10.1016/j.clnesp.2020.12.023 PubMed
- [5] Mark F McCarty et al.. Adv Nutr. 2021. Perspective: Prospects for Nutraceutical Support of Intestinal Barrier Function. doi:10.1093/advances/nmaa139 PubMed
- [6] Karin Ried et al.. Nutr Res. 2020. Herbal formula improves upper and lower gastrointestinal symptoms and gut health in Australian adults with digestive disorders. doi:10.1016/j.nutres.2020.02.008 PubMed
- [7] QiQi Zhou et al.. Gut. 2019. Randomised placebo-controlled trial of dietary glutamine supplements for postinfectious irritable bowel syndrome. doi:10.1136/gutjnl-2017-315136 PubMed
- [8] Najate Achamrah et al.. Curr Opin Clin Nutr Metab Care. 2017. Glutamine and the regulation of intestinal permeability: from bench to bedside. doi:10.1097/MCO.0000000000000339 PubMed
- [9] Julien Bertrand et al.. JPEN J Parenter Enteral Nutr. 2016. Glutamine Restores Tight Junction Protein Claudin-1 Expression in Colonic Mucosa of Patients With Diarrhea-Predominant Irritable Bowel Syndrome. doi:10.1177/0148607115587330 PubMed
- [10] Anthony K Akobeng et al.. Cochrane Database Syst Rev. 2016. Glutamine for induction of remission in Crohn's disease. doi:10.1002/14651858.CD007348.pub2 PubMed
- [11] Moïse Coëffier et al.. Gastroenterology. 2015. Intestinal permeability in patients with diarrhea-predominant irritable bowel syndrome: is there a place for glutamine supplementation? doi:10.1053/j.gastro.2015.02.057 PubMed
- [12] John K Triantafillidis et al.. Scand J Gastroenterol. 2014. The role of total parenteral nutrition in inflammatory bowel disease: current aspects. doi:10.3109/00365521.2013.860557 PubMed
- [13] Jaya Benjamin et al.. Dig Dis Sci. 2012. Glutamine and whey protein improve intestinal permeability and morphology in patients with Crohn's disease: a randomized controlled trial. doi:10.1007/s10620-011-1947-9 PubMed
- [14] Khaly Mbodji et al.. Clin Nutr. 2011. Alanyl-glutamine restores maternal deprivation-induced TLR4 levels in a rat neonatal model. doi:10.1016/j.clnu.2011.04.002 PubMed
- [15] QiQi Zhou et al.. Gut. 2010. MicroRNA-29a regulates intestinal membrane permeability in patients with irritable bowel syndrome. doi:10.1136/gut.2009.181834 PubMed
- [16] Jean Robert Rapin et al.. Clinics (Sao Paulo). 2010. Possible links between intestinal permeability and food processing: A potential therapeutic niche for glutamine. doi:10.1590/S1807-59322010000600012 PubMed
- [17] Arnold Wald et al.. Nutr Clin Pract. 2008. Behavioral and complementary approaches for the treatment of irritable bowel syndrome. doi:10.1177/0884533608318677 PubMed
- [18] Jeong Wook Kim et al.. Clin Nutr. 2005. Combined effects of bovine colostrum and glutamine in diclofenac-induced bacterial translocation in rat. doi:10.1016/j.clnu.2005.04.004 PubMed
- [19] A K Akobeng et al.. JPEN J Parenter Enteral Nutr. 2000. Glutamine supplementation and intestinal permeability in Crohn's disease. doi:10.1177/0148607100024003196 PubMed
- [20] E Den Hond et al.. JPEN J Parenter Enteral Nutr. 1999. Effect of long-term oral glutamine supplements on small intestinal permeability in patients with Crohn's disease. doi:10.1177/014860719902300107 PubMed
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