If you’ve been searching for a comparison between Thorne EnteroMend and Pure Encapsulations GI Fortify, you’re likely looking for a targeted gut support supplement. While those exact formulas have evolved, their direct successors offer the same clinical focus. In this guide, we examine three leading options: Pure Encapsulations G.I. We break down ingredients, uses, and who each formula suits best. For more comparisons in this space, check out our COMPARISONS category.

1
Best Seller

Pure Encapsulations G.I. Integrity (120 Capsules)

Pure Encapsulations
9.9 /10
AI Score
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Pure Encapsulations G.I. Integrity combines L-glutamine with a targeted blend of nutrients to support gastrointestinal lining integrity, immune defense, and healthy nutrient absorption. Ideal for anyone seeking a high-quality, allergen-free supplement for daily gut health.
Pros & Cons

Pros

  • Comprehensive GI support formula addressing gut integrity, immunity, and absorption.
  • Hypoallergenic and free from common allergens, artificial ingredients, and GMOs.
  • High-quality manufacturing standards with potency and purity testing.
  • Contains L-glutamine, an amino acid well-researched for intestinal health.
  • Suitable for daily use with a straightforward capsule regimen.

Cons

  • Formula uses a blend, not pure L-glutamine, offering limited flexibility for those needing high-dose single-ingredient therapy.
  • Exact amounts of individual blend components are not fully disclosed.
Detailed Review

Pure Encapsulations G.I. Integrity is a targeted gastrointestinal supplement designed for anyone looking to strengthen their gut lining, support healthy digestion, and maintain immune function. It combines L-glutamine with three other key compounds to deliver comprehensive support for the intestinal barrier.

The standout feature is its focus on mucosal lining protection and healthy villous function, which are essential for proper nutrient absorption. By helping to limit toxin passage through the intestinal barrier, this formula supports overall digestive comfort and immune readiness within the GI tract.

As with all Pure Encapsulations products, G.I. Integrity is manufactured with meticulous attention to purity. It is free from common allergens, artificial ingredients, unnecessary additives, and GMOs, making it an excellent option for individuals with sensitivities. The capsules are easy to take, and the 120-count bottle provides a two-month supply at the recommended serving.

One potential drawback is that the exact amounts of individual ingredients in the blend are not fully disclosed, which may be a concern for those who prefer transparent dosing. Additionally, because it is a multi-ingredient formula rather than standalone L-glutamine, it may not suit individuals needing very high, targeted doses of glutamine alone.

Overall, Pure Encapsulations G.I. Integrity is a well-crafted supplement for those prioritizing gut health and immune support. Its clean formulation and comprehensive approach make it a solid choice for daily digestive maintenance, backed by a reputable brand known for quality.

Specifications

Size: 120 Count (Pack of 1)

Dimensions: 4.6 x 2.2 x 1.2 inches

Weight: 0.29375 pounds

Product Group: Drugstore

Binding: Health and Beauty

ASIN: B009603DJ0

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Editor's Pick

THORNE GI Relief 180 Capsules - DGL, Slippery Elm

THORNE
9.6 /10
AI Score
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THORNE GI Relief combines aloe vera, DGL, slippery elm, and marshmallow root in a convenient capsule that can also be made into a soothing tea. It is ideal for anyone seeking natural relief from gastrointestinal discomfort and irritated tissues.
Pros & Cons

Pros

  • High-quality botanical ingredients known for soothing digestive discomfort
  • Can be used as a capsule or brewed as a tea for flexible application
  • Third-party certified for quality and safety
  • Backed by a reputable brand trusted by professionals
  • Generous 180-count bottle offers good value

Cons

  • Price may be higher than some basic digestive supplements
  • Taste of the tea version may be earthy or bitter for some users
  • Not suitable for individuals with allergies to any of the botanical ingredients
Detailed Review

THORNE GI Relief is a targeted digestive supplement designed for anyone experiencing gastrointestinal discomfort, including occasional heartburn, indigestion, or irritated tissues in the upper digestive tract. It combines four well-known botanical ingredients: deglycyrrhizinated licorice (DGL), slippery elm bark, marshmallow root, and aloe vera gel. This formula is especially beneficial for those seeking a natural, non-drug approach to soothe and maintain stomach and esophageal health.

The standout feature of this product is its versatility. While it comes in convenient capsule form, users can open the capsules and mix the powder with warm water to make a soothing tea. This is particularly effective for coating irritated mucous membranes in the throat and upper GI tract. The mucilaginous compounds from slippery elm and marshmallow root provide a gentle, protective layer, while DGL and aloe vera support tissue repair and reduce inflammation.

In terms of quality, THORNE is a brand that prioritizes third-party testing and certification. Each batch is verified to match the label and is free from unsafe levels of contaminants. This level of transparency builds trust, especially for consumers with sensitive digestive systems. The capsules are easy to swallow, and the 180-count bottle offers a generous supply for daily use.

Potential drawbacks include the price, which is higher than some basic fiber or antacid supplements. Additionally, the tea version may have an earthy taste that not everyone enjoys. Those with allergies to any of the botanical ingredients should avoid this product. However, for targeted relief without harsh chemicals, the investment is worthwhile.

Overall, THORNE GI Relief is a well-formulated, research-backed supplement that delivers on its promise of soothing digestive support. Its flexible format and high-quality ingredients make it a top choice for individuals looking to calm occasional GI irritation naturally. We recommend it for anyone seeking a gentle yet effective digestive aid.

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Limited Time

Life Extension FLORASSIST Probiotic GI with Phage

Life Extension
9.4 /10
AI Score
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The Life Extension FLORASSIST Probiotic GI uses Phage Technology to support digestive health and reduce occasional gas and bloating. Ideal for adults seeking a science-backed probiotic that also targets harmful bacteria.
Pros & Cons

Pros

  • Contains Phage Technology to specifically target harmful bacteria
  • Reduces common digestive discomforts like gas and bloating
  • Manufactured with high-quality, non-GMO, gluten-free ingredients
  • Supported by scientific research and expert formulation
  • Convenient 30-capsule supply for daily use

Cons

  • May require consistent daily intake for optimal results
  • Some users might experience mild initial digestive adjustments
  • Price is higher than some basic probiotic supplements
Detailed Review

The Life Extension FLORASSIST Probiotic GI with Phage Technology is a targeted digestive health supplement designed for adults who experience occasional gas, bloating, or other abdominal discomfort. It combines probiotic strains with a unique postbiotic and phage technology to support gut balance and regularity.

What sets this product apart is its use of bacteriophages, which latch onto and neutralize unwanted bacteria in the gut. This innovative approach goes beyond traditional probiotics, helping to maintain a healthier microbial environment. The inclusion of a postbiotic ingredient further aids in reducing common digestive issues.

The capsules are easy to swallow, with a green capsule inside a clear outer capsule. Each capsule is manufactured in the USA using non-GMO, gluten-free ingredients, and the brand provides a Certificate of Analysis for each batch, ensuring quality and potency.

A potential drawback is that results may vary depending on individual gut health and consistency of use. Some users might experience temporary digestive changes as the body adjusts to the new bacteria and phages. Also, the price point is slightly higher than basic probiotics, reflecting the advanced technology.

Overall, the Life Extension FLORASSIST Probiotic GI is a science-driven choice for those seeking targeted support for digestive comfort and gut health. Its phage technology offers a unique edge, making it a valuable option for adults looking to address occasional bloating and gas.

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Top Rated

THORNE Leaky Gut Support (Formerly EnteroMend)

THORNE
9.8 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
THORNE Leaky Gut Support is a targeted gut health supplement that combines L-glutamine, aloe, curcumin, and boswellia to soothe the GI tract and support a healthy gut barrier. Its NSF Certified for Sport status makes it ideal for athletes and anyone seeking a premium, clinically trusted formula for digestive comfort and bowel regularity.
Pros & Cons

Pros

  • Clinically studied ingredients like L-glutamine, curcumin, and boswellia target leaky gut at multiple levels
  • NSF Certified for Sport provides peace of mind for athletes and health-conscious users
  • High customer rating reflects consistent quality and effectiveness
  • Pleasant orange vanilla flavor improves compliance over unflavored powders
  • Trusted by top sports organizations and healthcare practitioners

Cons

  • Higher price point compared to basic L-glutamine supplements
  • Flavor (orange vanilla) may not suit everyone's taste preference
  • Only 30 servings per container, requiring frequent repurchase for daily use
Detailed Review

THORNE Leaky Gut Support, formerly known as EnteroMend, is a scientifically formulated gut health supplement designed for individuals seeking to maintain a healthy intestinal barrier. It is particularly beneficial for athletes and active individuals who experience GI discomfort during training, as well as anyone dealing with symptoms of 'leaky gut' syndrome.

The standout feature of this product is its unique combination of L-glutamine, a key amino acid for gut lining repair, with well-studied botanicals like aloe vera, curcumin, and boswellia. Together, these ingredients help soothe irritated mucous membranes, reduce inflammation, and support overall digestive function, making it a comprehensive solution rather than a single-ingredient approach.

THORNE has built a solid reputation as the #1 most recommended clinical brand by healthcare practitioners, and Leaky Gut Support lives up to that standard. The powder mixes easily in water, has a pleasant orange vanilla flavor, and is NSF Certified for Sport, meaning it is free from nearly 300 banned substances and meets rigorous label accuracy standards.

One potential drawback is the price, which is higher than basic L-glutamine powders. Additionally, the orange vanilla flavor, while nice, may not be for everyone, and the 30-serving container means you will need to repurchase monthly if using daily. However, for those serious about their gut health and willing to invest, these are minor trade-offs.

Overall, THORNE Leaky Gut Support is an excellent choice for athletes, fitness enthusiasts, and anyone with digestive sensitivity. Its evidence-based formula, third-party certification, and trusted brand reputation make it a standout product in the gut health category, despite its higher cost.

Buying Guide: Choosing the Right Gut Support Supplement

1. Ingredient Profile and Mechanism

The first thing to evaluate is what each formula actually does. Pure Encapsulations G.I. Integrity relies on L-glutamine, zinc, and botanicals to fortify the intestinal lining and support nutrient absorption. In contrast, THORNE GI Relief uses mucilaginous herbs like slippery elm, marshmallow root, DGL, and aloe to soothe irritated tissues. Knowing your primary need whether structural repair or soothing relief guides your choice.

2. Gut Integrity and Barrier Support

For those dealing with leaky gut or increased intestinal permeability, barrier support is critical. Pure Encapsulations G.I. Integrity is specifically designed to protect the mucosal lining and maintain villous function, helping limit toxin passage. If you want to learn more about similar targeted formulas, read our PepZin GI vs Zinc Carnosine comparison for another take on gut lining support.

3. Immune Defense Within the GI Tract

Your gut is home to a large portion of your immune system. Both Pure Encapsulations G.I. Integrity and THORNE GI Relief support immune function, but through different pathways. The former strengthens the barrier to reduce antigen leakage, while the latter calms inflammation and supports mucosal immunity. For more on immune digestive health, see our Gastro Ease comparison.

4. Form and Convenience

All three products come in capsule form, but THORNE GI Relief offers a unique advantage: you can open the capsule and mix the powder with warm water to create a soothing tea. This is ideal for upper GI discomfort or when you need immediate relief. Consider your lifestyle and whether you prefer a tea option for gentle, targeted soothing.

Final Thoughts

After reviewing the ingredients and intended uses, we recommend Pure Encapsulations G.I. Integrity, 120 Capsules for those focused on repairing the gut lining and improving nutrient absorption, making it ideal for leaky gut or after antibiotic use. For soothing irritated tissues and relieving occasional discomfort, THORNE GI Relief, DGL, Slippery Elm is our top choice, especially if you value the option to prepare a warm tea.

Frequently Asked Questions

What is the difference between Thorne EnteroMend and Pure Encapsulations GI Fortify?

Thorne EnteroMend and Pure Encapsulations GI Fortify are older formulations that have since been replaced. Thorne GI Relief and Pure Encapsulations G.I. Integrity are the current counterparts. The newer versions retain the core benefits but may include updated ingredient profiles or improved bioavailability. Always check labels for the exact formula.

Can I take Thorne GI Relief and Pure Encapsulations G.I. Integrity together?

Yes, they address different aspects of gut health. Pure Encapsulations focuses on intestinal barrier repair, while Thorne GI Relief soothes inflammation. Combining them under a healthcare provider’s guidance can be effective for comprehensive gut support in 2026. Start with one and monitor your response.

Which gut supplement is best for leaky gut syndrome?

For leaky gut, Pure Encapsulations G.I. Integrity is often preferred due to its L-glutamine and zinc content, which directly support tight junctions and mucosal integrity. Learn more in our zinc carnosine comparison for additional options. Pair it with a soothing formula like Thorne GI Relief if inflammation is present.

Is Liv Pure a good alternative for gut health?

It is not a direct replacement for gut-specific formulas like G.I. Integrity or GI Relief.