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Thorne is one of a small number of supplement brands our doctors are comfortable recommending without reservation. GI Relief earns its place because the formulation is grounded in three ingredients with a credible evidence base for mucosal gut support — L-glutamine, DGL, and aloe — rather than a long list of under-dosed additions. It is particularly relevant for patients whose blood work or symptoms suggest gut barrier compromise alongside digestive discomfort.
About this product
GI Relief
Thorne GI Relief is a powdered supplement combining three well-studied gut-support ingredients: L-glutamine, aloe vera, and deglycyrrhizinated liquorice (DGL). Together, they address the integrity and comfort of the gastrointestinal lining from different angles.
L-glutamine is the primary fuel source for enterocytes, the cells lining the small intestine. It is commonly used to support gut barrier function in people experiencing permeability concerns — sometimes called "leaky gut" — or in those recovering from periods of digestive stress. Aloe vera is studied for its soothing properties along the gastrointestinal tract and is frequently chosen for conditions involving irritation or discomfort in the stomach and colon. DGL is a form of liquorice extract with the compound glycyrrhizin removed; it is used specifically to support the stomach's mucosal lining without the blood-pressure effects associated with standard liquorice.
This combination suits people dealing with recurring digestive discomfort, bloating, or sensitivity — particularly those whose symptoms point toward mucosal irritation rather than enzyme insufficiency. It may also suit those managing stress-related gut symptoms, since the gut lining is directly affected by physiological stress.
Thorne is a brand with a long-standing clinical reputation, and GI Relief sits within their practitioner-grade supplement range. As with any gut-support protocol, results are most meaningful when underlying dietary or lifestyle triggers are also being addressed.
What it does
Benefits
- 01
L-glutamine fuels and supports the intestinal lining
- 02
DGL may soothe stomach mucosal irritation
- 03
Aloe vera studied for gastrointestinal comfort
- 04
Suited to stress-related or recurring digestive discomfort
- 05
Powder format for adjustable, easy daily use
Get the most from it
How to use
Mix one scoop with water as directed on the packaging. Many people take gut-lining formulas away from food to allow direct mucosal contact, but check the label for specific guidance on timing. Follow the recommended serving size unless advised otherwise by a clinician.
What's inside
Ingredients
View full ingredient list
L-Glutamine, Aloe, DGL
Common questions
Frequently asked
Who is GI Relief most suitable for?
It is most relevant for people experiencing recurring digestive discomfort, mucosal irritation, or symptoms associated with gut barrier concerns. It is often used by those managing stress-related gut sensitivity or recovering from periods of dietary disruption. If you have a diagnosed gastrointestinal condition, speak with a clinician before starting.
What does DGL mean, and why does it matter?
DGL stands for deglycyrrhizinated liquorice — a form of liquorice extract from which glycyrrhizin has been removed. Standard liquorice can raise blood pressure with prolonged use; removing glycyrrhizin allows the mucosal-soothing benefits to be retained without that concern, making it safer for regular supplementation.
How long before I might notice a difference?
Gut lining support tends to be a slow-build process. Many people report a gradual improvement in comfort over several weeks of consistent use, though this varies considerably depending on the underlying cause of symptoms. It is not designed for immediate symptomatic relief.
Is it safe to take alongside other supplements or medications?
L-glutamine, aloe, and DGL are generally well tolerated, but if you are taking any prescription medication — particularly for a gastrointestinal condition — check with your GP or pharmacist before adding this to your routine. Some herbs including liquorice derivatives can interact with certain medicines.
Can I take this if I have IBS or IBD?
Some people with IBS or IBD use gut-lining formulas like this under clinical guidance, but these are diagnosed conditions that warrant personalised advice. We would recommend discussing it with your gastroenterologist or GP before starting, particularly for IBD where some ingredients may need more careful consideration.
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