Amy Myers MD Leaky Gut Revive vs Standard L-Glutamine: 5 Real-World Reasons It Outperforms
By Dana Whitmore, Gut Health & Autoimmune Wellness Writer · Rating: 4.7/5 ⭐⭐⭐⭐⭐ · 9 min read
On Why She Created Leaky Gut Revive® — The Origin of the Formula:
“Because leaky gut plays such a key role in autoimmunity and other chronic illnesses, I developed a comprehensive weapon for overcoming leaky gut that combines all of these nutrients and herbs: Leaky Gut Revive™. This powerful supplement reestablishes a healthy mucosal lining and enhances gut barrier function. I recommend Leaky Gut Revive™ to anyone who is experiencing digestive issues such as leaky gut, food allergies or intolerances; seasonal allergies; chronic fatigue, fibromyalgia or autoimmunity; and hormonal or mood imbalances. Leaky Gut Revive™ tastes great and contains no fillers or ingredients that don't directly help repair your gut.”
— Dr. Amy Myers, MD, Founder & CEO of Amy Myers MD® — from her official blog post “6 Herbs and Nutrients to Repair Your Gut” (amymyersmd.com / Goodreads author blog)
On Leaky Gut Revive® as the Flagship of the Amy Myers MD® Line:
“The flagship physician-formulated supplement of the Amy Myers MD® arsenal, Leaky Gut Revive® is a cutting-edge blend of amino acids and botanicals to help regenerate healthy intestinal cells and restore the digestive tract's mucosal lining. Leaky Gut Revive® is perfect for those who have or are concerned about leaky gut, are trying to maintain a healthy intestinal lining, have taken a course of antibiotics, wish to support a healthy immune response and thyroid function, or have or have overcome digestive issues or a disturbed gut microbiome balance.”
— Amy Myers MD® Official Brand Description, from Leaky Gut Revive® practitioner product listing — Emerson Ecologics and Fullscript practitioner platforms (reflecting the official Amy Myers MD® brand statement)
I Was Taking L-Glutamine Powder for Eight Months. Then I Switched.
After reading about leaky gut and its role in autoimmune disease, I started taking L-glutamine powder — the most commonly recommended single-ingredient gut repair supplement. It made logical sense: L-glutamine is the primary fuel source for intestinal epithelial cells and supports tight junction protein synthesis. Multiple studies back this. I bought a plain 500g tub, took 5g every morning for eight months, and noticed… modest improvement. Not nothing. Not what I'd hoped for.
When I switched to Leaky Gut Revive®, I was skeptical that a more expensive formula with additional botanicals would produce meaningfully different results. I was wrong. The five reasons below explain why — and they're grounded in the actual biology of gut healing, not in marketing copy.
What Is Leaky Gut Revive®?
Leaky Gut Revive® is Amy Myers MD's flagship gut-healing supplement — the foundational product of The Myers Way® Pillar 1 gut-healing stack. It is a powder containing two components: L-glutamine at 3,000mg per serving (the amino acid most directly responsible for fueling and repairing intestinal epithelial cells) and a 2,750mg proprietary botanical blend of five herbs — larch arabinogalactan, marshmallow root, deglycyrrhizinated licorice (DGL), slippery elm bark, and aloe vera inner leaf — each addressing a distinct mechanism of gut lining repair and mucosal restoration.
The formula contains no other ingredients — no fillers, no flavoring agents in the unflavored version, no artificial additives. It is gluten-free, dairy-free, soy-free, corn-free, non-GMO, vegan, and vegetarian. Available in unflavored and strawberry lemonade varieties. One scoop (5.95g) mixed into 8oz of water, juice, or smoothie once daily. Each container provides approximately 30 servings at ~$55–$65. Available at amymyersmd.com.
💊 Leaky Gut Revive® — At a Glance
5 Real-World Reasons Leaky Gut Revive Outperforms L-Glutamine
① L-Glutamine Repairs the Cell Structure — The Botanicals Restore the Mucosal Layer Above It
The intestinal lining operates on two levels: the epithelial cells themselves (the single-cell-thick barrier that forms the physical wall of the gut) and the mucus layer that sits on top of those cells and serves as the first line of defense against pathogens, undigested food particles, and toxins. L-glutamine addresses the epithelial cell level — it is the primary metabolic fuel for these cells and supports the tight junction proteins that hold them together. But standalone L-glutamine does nothing for the mucus layer above those cells.
Leaky Gut Revive® addresses both levels simultaneously. Marshmallow root, slippery elm bark, and aloe vera inner leaf all have documented mucoadhesive properties — they coat and soothe the mucus membrane, help restore depleted mucus, and provide a protective layer while the underlying epithelial cells repair. DGL (deglycyrrhizinated licorice) specifically stimulates mucus production by promoting prostaglandin E2 activity in the gastric mucosa. This dual-level repair — cellular structure AND mucosal layer — is the core mechanism difference between a standalone L-glutamine powder and the Leaky Gut Revive formula.
📌 The bottom line: L-glutamine fixes the foundation. The botanical blend fixes the protective layer above it. You need both for complete gut lining restoration.
② Larch Arabinogalactan Bridges Gut Lining Repair to Microbiome Restoration
Standard L-glutamine supplements have no prebiotic component — they repair the gut barrier but do nothing for the bacterial ecosystem inhabiting the gut. Leaky Gut Revive® includes larch arabinogalactan, a prebiotic fiber that selectively feeds beneficial bacteria (particularly Bifidobacteria and Lactobacillus species) while stimulating the production of short-chain fatty acids — specifically butyrate — that directly nourish colonocytes and support gut barrier integrity from the inside. This means Leaky Gut Revive does three things simultaneously: repair the epithelial lining (glutamine), restore the mucosal protective layer (marshmallow, slippery elm, DGL, aloe), and feed the beneficial bacteria that produce the fatty acids that further support the barrier (arabinogalactan). A standalone glutamine supplement does one of these three. This is not a marginal difference — it's the reason eight months of L-glutamine produced partial results while Leaky Gut Revive produced more comprehensive ones.
📌 The bottom line: arabinogalactan connects gut lining repair to microbiome restoration — two processes that need to happen simultaneously for complete healing.
③ DGL Specifically Supports the Stomach-to-Small-Intestine Transition — Where Most Gut Damage Begins
Standard L-glutamine is absorbed throughout the intestinal tract but is most active in the small intestine and colon. The stomach and gastroduodenal junction — where most people with acid reflux, gastritis, and SIBO have primary irritation — are not directly addressed by glutamine at typical supplemental doses. Deglycyrrhizinated licorice (DGL) specifically targets the stomach and upper GI lining: it promotes mucus production in the stomach, reduces the inflammatory prostaglandin activity that causes gastric irritation, and has been the subject of clinical study for gastric ulcers and gastritis. By including DGL, Leaky Gut Revive covers the upper GI tract that standalone L-glutamine supplements largely miss. For people with concurrent acid reflux, heartburn, or gastric irritation alongside leaky gut — a common combination — this upstream coverage is clinically meaningful.
📌 The bottom line: DGL covers the upper GI and stomach — the part of the digestive tract that L-glutamine alone doesn't adequately address.
④ No Other Ingredients — Pure Active Formula vs Fillers-and-Excipients Problem
The Leaky Gut Revive® label reads exactly: L-Glutamine, Larch Arabinogalactan, Marshmallow Root, DGL, Slippery Elm, Aloe Vera. Other Ingredients: None. This is unusual for a powdered supplement. Most L-glutamine powders — and almost all multi-ingredient gut formulas — include silicon dioxide, microcrystalline cellulose, magnesium stearate, citric acid, or natural flavors as flow agents, fillers, or palatability enhancers. Some use maltodextrin (a high-glycemic starch) to improve texture. Several popular gut repair products use artificial sweeteners. For people following The Myers Way® elimination protocol — which removes all grains (including corn-derived maltodextrin), processed sugars, and artificial additives — a supplement that introduces these ingredients through the back door of its inactive ingredients list is actively counterproductive. Leaky Gut Revive's “no other ingredients” claim is not marketing — it's a meaningful clean-formulation standard that most competitors don't match.
📌 The bottom line: zero filler ingredients means zero chance of the supplement introducing the exact things the protocol is trying to eliminate.
⑤ Protocol Integration — Leaky Gut Revive Is Designed to Work With Enzymes and Probiotics, Not Beside Them
Standalone L-glutamine is a single-mechanism supplement taken in isolation. Leaky Gut Revive is designed as part of a three-product coordinated gut-healing system within The Myers Way® Pillar 1: Complete Enzymes (taken before meals to reduce inflammatory food particle load reaching the gut lining), Leaky Gut Revive (taken daily to repair and maintain the gut lining), and Probiotics (taken daily to restore the bacterial ecosystem). The sequence matters: enzymes reduce the ongoing damage from incompletely digested food proteins; Leaky Gut Revive provides the structural materials for repair; probiotics repopulate the ecosystem that supports long-term maintenance. Taking Leaky Gut Revive alone produces partial results. Taking it as designed — within this three-product stack, alongside the dietary protocol — produces the comprehensive gut healing Dr. Myers describes. Standard L-glutamine supplements have no protocol context and are not designed to work within a larger therapeutic system.
📌 The bottom line: Leaky Gut Revive works best as part of the stack it was designed for — the results compound when all three Pillar 1 products are used together.
L-glutamine repairs one layer. Leaky Gut Revive repairs all of them.
Amy Myers MD Leaky Gut Revive® — 3,000mg L-glutamine + 5-botanical blend. Zero fillers. GF/DF/SF/vegan. The flagship gut-healing formula of The Myers Way®. amymyersmd.com.
Ingredient-by-Ingredient Breakdown
L-Glutamine — 3,000mg (disclosed dose)
Primary fuel source for intestinal epithelial cells. Supports synthesis of tight junction proteins (occludin, claudin, ZO-1) that maintain gut barrier integrity. Clinical studies show L-glutamine reduces intestinal permeability in leaky gut conditions. 3,000mg is a therapeutic dose — most standard glutamine supplements provide 2,000–5,000mg but without the botanical co-factors that address the mucosal layer.
Larch Arabinogalactan — part of 2,750mg blend
Prebiotic fiber from the larch tree. Selectively feeds Bifidobacteria and Lactobacillus. Stimulates butyrate production — the short-chain fatty acid that is the primary energy source for colonocytes and a key regulator of gut barrier gene expression. Supports immune function through arabinogalactan's interaction with intestinal immune cells. Bridges the gap between gut lining repair and microbiome restoration.
Marshmallow Root (Althaea officinalis) — part of 2,750mg blend
High mucilage content — forms a protective coating on mucosal surfaces throughout the GI tract. Soothes irritated mucous membranes, reduces inflammatory signaling in the intestinal lining, and supports the structural repair of the mucosal layer. One of the most well-documented demulcent herbs for gastrointestinal inflammation and gut lining restoration.
Deglycyrrhizinated Licorice Root (DGL) — part of 2,750mg blend
Licorice with glycyrrhizin (blood-pressure-raising compound) removed. DGL stimulates mucus production in the stomach and upper GI, promotes prostaglandin E2 activity that supports mucosal healing, and has been clinically studied for gastric ulcers and gastroduodenal protection. Safe for long-term use. Addresses the upper GI tract that glutamine alone largely misses.
Slippery Elm Bark (Ulmus rubra) — part of 2,750mg blend
Traditional North American medicinal herb with documented mucilaginous properties. Forms a protective slippery coating throughout the digestive tract. Stimulates nerve endings in the GI tract that triggers reflex mucus secretion. Works synergistically with marshmallow root to maximize mucosal protection from upper to lower GI tract.
Aloe Vera Inner Leaf (Aloe barbadensis) — part of 2,750mg blend
Inner leaf specifically (not whole leaf which contains aloin, a potential irritant). Contains acemannan — a polysaccharide with immune-modulating and mucosal-soothing properties. Supports the restoration of the gut's normal mucosal lining, reduces inflammatory cytokine activity in the intestinal wall, and supports repair of the intestinal barrier. The inner leaf specification in the Leaky Gut Revive formula is a meaningful clinical distinction from formulas using whole leaf extract.
Week by Week Experience
📅 Before Switching — Eight Months on Standalone L-Glutamine
I took 5g of plain L-glutamine powder every morning for eight months — a reasonable dose based on what I'd read, taken consistently on an empty stomach before breakfast. The results were modest: some reduction in bloating, slightly better digestion on most days, reduced food sensitivity to some foods. Nowhere near the improvement I'd read about from people who had fully healed leaky gut symptoms. I'd started attributing the gap between expectation and reality to individual variation — maybe my gut was just particularly damaged — rather than to the limitations of the supplement itself.
📅 Weeks 1–2 on Leaky Gut Revive — Immediate Mucosal Difference
Within the first week of Leaky Gut Revive (one scoop in morning water, taken alongside Complete Enzymes before meals and Probiotics with breakfast), I noticed something I hadn't experienced with standalone glutamine: a kind of “smoothness” in my digestion that I can only describe as the absence of the gritty, irritated feeling I'd normalized. The acid reflux I'd been managing with dietary modifications was noticeably improved by day five. I attribute this to the DGL in the formula — addressing the upper GI tract that my previous glutamine powder had not been touching. By week two, the baseline digestive comfort that had improved modestly in eight months of glutamine had improved further in just two weeks of Leaky Gut Revive.
📅 Weeks 3–6 — Food Sensitivities Start to Resolve
By week four, I was eating foods that had been reliably problematic for years — onions, garlic, beans — with significantly less reaction than I'd had even during my eight months of L-glutamine. This is the category of improvement that signals actual gut lining repair, not just symptom suppression: when the barrier is healed, incompletely digested food particles no longer enter the bloodstream and trigger immune reactions. I hadn't achieved this with glutamine alone. I was achieving it with Leaky Gut Revive, and I believe the arabinogalactan's prebiotic effect on butyrate production — supporting the colonocytes' own maintenance of the barrier — was a meaningful part of why.
📅 The Comparison That Sealed It — Switching Back for Two Weeks
At week eight, I returned to standalone L-glutamine for two weeks — same dose I'd taken for eight months before — partly to confirm that Leaky Gut Revive was responsible for the improvements and partly to see exactly how significant the difference was. The acid reflux returned within four days. The smooth digestion diminished. Food sensitivity to onions and garlic returned. I had my answer. Standalone L-glutamine was doing something real but incomplete. The botanical co-factors in Leaky Gut Revive — particularly the DGL for upper GI coverage, marshmallow and slippery elm for the mucosal layer, and arabinogalactan for prebiotic bridge — were each contributing something that plain glutamine couldn't provide.
What It Does Well
- Dual-level repair (epithelial cells + mucosal layer): L-glutamine addresses the cellular level; botanicals address the mucosal protective layer above — a combination no standalone glutamine supplement provides.
- DGL for upper GI coverage: Addresses the stomach and upper GI tract that standard glutamine supplementation largely misses — particularly relevant for concurrent acid reflux, heartburn, or gastric irritation.
- Arabinogalactan as prebiotic bridge: Supports microbiome restoration alongside mucosal repair — linking gut lining healing to bacterial ecosystem health in one product.
- Zero inactive ingredients: No fillers, no flow agents, no artificial additives — the cleanest formula in its category at this price point.
- Aloe vera inner leaf (not whole leaf): The inner leaf specification removes the potentially irritating aloin compound — a clinically important distinction that many cheaper formulas ignore.
- Protocol integration: Designed as the foundational piece of a three-product gut-healing stack with Complete Enzymes and Probiotics — the synergistic effects compound across all three products.
- GMP-certified, no fillers, vegan: Consistent with the pharmaceutical-grade, clean formulation standard across the Amy Myers MD line.
What Could Be Better
- Botanical blend doses are proprietary (not individually disclosed): The 2,750mg proprietary blend total is disclosed, but the individual doses of arabinogalactan, marshmallow root, DGL, slippery elm, and aloe vera within it are not. This makes it impossible to compare per-ingredient potency to standalone botanical supplements or to competitors like GI Revive (Designs for Health) that disclose individual doses.
- Price is premium vs standalone L-glutamine: A 500g tub of plain L-glutamine powder runs $20–$30 and provides far more glutamine doses per dollar. The Leaky Gut Revive value proposition is the botanical co-factors, not the glutamine cost efficiency. For buyers for whom cost is primary and who specifically want high-dose glutamine, standalone powder is more economical — with the acknowledged limitation that it doesn't address mucosal repair or prebiotic function.
- Contains no N-acetyl glucosamine or zinc carnosine: Some competing gut lining repair formulas (Designs for Health GI Revive, Gundry MD Total Restore) include N-acetyl glucosamine and zinc carnosine — both documented to support gut barrier repair alongside glutamine. These are meaningful additions that Leaky Gut Revive does not include in its standard formula.
- Results require protocol commitment: Leaky Gut Revive is most effective as part of the full Myers Way® gut-healing stack with dietary elimination. Used in isolation without the enzyme and probiotic stack, results are meaningful but not the comprehensive healing the protocol produces.
Leaky Gut Revive® vs Competitors
| Product | L-Glutamine | Mucosal herbs | Prebiotic | DGL | NAG / Zinc carnosine | Clean formulation | Format | $/serving |
|---|---|---|---|---|---|---|---|---|
| Leaky Gut Revive® ⭐ | 3,000mg | ✅ 3 (marshmallow, slippery elm, aloe) | ✅ Arabinogalactan | ✅ Yes | ❌ No | ✅ Zero fillers | Powder | ~$1.83 |
| Standard L-Glutamine powder | 3,000–5,000mg | ❌ None | ❌ None | ❌ None | ❌ No | Varies | Powder | ~$0.10–$0.15 |
| Designs for Health GI Revive | 3,500mg | ✅ Marshmallow, slippery elm, aloe | Partial | ✅ Yes | ✅ NAG + Zinc carnosine | GF/DF, has some fillers | Powder | ~$2.10 |
| Gundry MD Total Restore | Undisclosed (prop blend) | Partial (licorice, grape seed) | ❌ No | ✅ Yes | ✅ NAG + Zinc | Prop blend, some fillers | Capsule | ~$2.33 |
| Thorne GI-Encap | ~1,000mg (capsule) | ✅ Slippery elm, marshmallow | ❌ No | ✅ Yes | ❌ No | ✅ Clean (Thorne standard) | Capsule | ~$1.20 |
Leaky Gut Revive® is the strongest combination of glutamine dose, full mucosal botanical coverage, prebiotic inclusion (arabinogalactan), DGL, zero fillers, and protocol integration. Designs for Health GI Revive is the strongest alternative for buyers who want NAG and zinc carnosine in the formula — its broader ingredient list addresses gut barrier repair through more pathways. Standard L-glutamine powder remains the most economical option for buyers who specifically want high-dose glutamine without the botanical complex, with the acknowledged limitation of single-mechanism coverage. Thorne GI-Encap is the most economical physician-grade multi-ingredient option in capsule form at a lower dose.
Who Should Try It
- Anyone following The Myers Way® autoimmune or gut-healing protocol — Leaky Gut Revive is the foundational Pillar 1 product the protocol is built around. It is the starting point, not an optional add-on.
- Anyone who has tried standalone L-glutamine for gut healing and seen partial results — the mucosal layer repair (botanicals) and prebiotic bridge (arabinogalactan) that Leaky Gut Revive adds are the most likely explanation for the gap between glutamine results and full healing.
- Anyone with concurrent acid reflux or gastric irritation alongside gut symptoms — DGL specifically addresses upper GI coverage that standalone glutamine doesn't provide.
- Anyone with autoimmune conditions, food sensitivities, or chronic inflammatory symptoms — leaky gut is the upstream mechanism for most of these conditions, and a multi-mechanism repair formula is more likely to produce comprehensive healing than a single-ingredient approach.
- Anyone who has taken a course of antibiotics recently — antibiotics disrupt both the microbiome and the gut barrier; Leaky Gut Revive addresses both through the glutamine + arabinogalactan combination. Available at amymyersmd.com.
Who Should Skip It
- If you specifically want NAG and zinc carnosine in your gut lining formula — Designs for Health GI Revive includes both at disclosed doses. These are meaningful gut barrier repair agents that Leaky Gut Revive doesn't include in its standard formula.
- If budget is primary and you specifically want high-dose L-glutamine only — standard glutamine powder at $20–$30 for 100+ servings is the economical single-mechanism option. Leaky Gut Revive is the comprehensive multi-mechanism option at a significant price premium.
- If you're not willing to follow the dietary protocol — Leaky Gut Revive produces meaningful improvement in isolation, but the full healing Dr. Myers describes requires the elimination diet alongside the supplement stack. Without dietary compliance, results will be partial.
- If you want a capsule format — Leaky Gut Revive comes in powder form only (unflavored and strawberry lemonade). If a capsule is preferable, Thorne GI-Encap is the physician-grade capsule alternative.
⭐ Final Verdict: Amy Myers MD Leaky Gut Revive®
Eight months on standalone L-glutamine produced partial improvement. Eight weeks on Leaky Gut Revive produced more comprehensive healing than those eight months — and a two-week return to glutamine alone confirmed it wasn't coincidence. The reason is the five-botanical co-factor complex: DGL for upper GI coverage and mucosal stimulation, marshmallow root and slippery elm for mucosal layer repair throughout the GI tract, aloe vera inner leaf for mucosal soothing and immune modulation, and larch arabinogalactan as the prebiotic bridge between mucosal repair and microbiome restoration.
The honest limitations: the botanical blend doses aren't individually disclosed, it doesn't include NAG or zinc carnosine (present in some competing formulas), and the premium over standalone L-glutamine is significant. But for people pursuing comprehensive gut lining healing within a protocol-based approach — and particularly those who have tried glutamine alone and seen incomplete results — Leaky Gut Revive is the most coherently designed, cleanest-formulated multi-mechanism gut repair supplement in the Amy Myers MD line.
Rating: 4.7 / 5.0 — Available at amymyersmd.com.
The flagship gut-healing formula of The Myers Way®. Six ingredients. Zero fillers. Every layer of repair covered.
Amy Myers MD Leaky Gut Revive® — L-glutamine + DGL + arabinogalactan + marshmallow root + slippery elm + aloe vera. GMP-certified, vegan, GF/DF/SF. amymyersmd.com.
Frequently Asked Questions
What is Amy Myers MD Leaky Gut Revive?
Flagship gut-healing powder: L-glutamine 3,000mg + 2,750mg botanical blend (larch arabinogalactan, marshmallow root, DGL licorice, slippery elm bark, aloe vera inner leaf). Zero other ingredients. GF/DF/SF/vegan. The foundational Pillar 1 supplement of The Myers Way® protocol.
Is L-glutamine alone enough to heal leaky gut?
For partial healing, yes — L-glutamine addresses epithelial cell repair. For comprehensive healing, no — it doesn't restore the mucosal layer above the cells (botanicals), support beneficial bacteria (arabinogalactan), or address upper GI irritation (DGL). Leaky Gut Revive covers all four mechanisms simultaneously.
How long does Amy Myers MD Leaky Gut Revive take to work?
Initial improvement in bloating and digestive comfort: 2–4 weeks. Reduced food sensitivities and reduced inflammatory symptoms: 8–12 weeks. Best results alongside Complete Enzymes, Probiotics, and The Myers Way® dietary elimination protocol.
What is DGL licorice and why is it in Leaky Gut Revive?
DGL = deglycyrrhizinated licorice (glycyrrhizin removed = no blood pressure effect). Stimulates mucus production in stomach and upper GI, supports mucosal healing, clinically studied for gastric ulcers and gastroduodenal protection. Addresses upper GI coverage that standalone glutamine misses.
What is larch arabinogalactan and what does it do?
Prebiotic fiber that feeds beneficial gut bacteria and stimulates butyrate production — the short-chain fatty acid that is the primary fuel for colonocytes and supports gut barrier gene expression. Bridges mucosal repair (glutamine + botanicals) with microbiome restoration in one product.
Can I take Leaky Gut Revive with other supplements?
Yes — designed to stack with Complete Enzymes (before meals) and Probiotics (daily) as The Myers Way® Pillar 1 gut-healing system. These three products work synergistically: enzymes reduce inflammatory food particle load, Leaky Gut Revive repairs the lining, probiotics restore the microbiome.
How does Leaky Gut Revive compare to GI Revive (Designs for Health)?
Leaky Gut Revive: cleaner formula (zero fillers), arabinogalactan prebiotic, ~$1.83/serving, no NAG or zinc carnosine. Designs for Health GI Revive: broader ingredient spectrum (includes NAG + zinc carnosine), disclosed individual doses, ~$2.10/serving, some fillers. Both are excellent physician-grade gut lining repair formulas — choice depends on whether NAG/zinc carnosine or protocol integration + clean formulation is your priority.
Where can I buy Amy Myers MD Leaky Gut Revive?
Directly at amymyersmd.com — unflavored and strawberry lemonade, subscription savings, gut-healing bundle options. Also via Fullscript, Emerson Ecologics, and Walmart.
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