Gut Restore Bundle
✓ Third-Party Tested✓ GMP-Certified Facility✓ FDA-Registered Facility✓ Manufactured in the USA using globally sourced ingredients✓ Gluten-Free
📅 Lifestyle Routines
Kasivit

Gut Restore Bundle

💊Take each product as directed on its own label. Probiotic: 1 capsule during the day and 1 in the evening (maximum 2 capsules per day). Digestive Enzyme Pro Blend: 1 capsule twice daily, 20-30 minutes before a meal. L-Glutamine: 1 scoop mixed with 6-8 oz of water or a beverage daily. Do not exceed the recommended dose of any product.
$82.99
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🧪 Third-Party Tested
🇺🇸 Manufactured in the USA using globally sourced ingredients
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🔬 Evidence-Rated
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Why It Works

Key Benefits

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Three Products, Also Sold Separately
The bundle contains Probiotic 40 Billion with Prebiotics, Digestive Enzyme Pro Blend and Kasivit L-Glutamine Powder. The studies mentioned on this page tested other products or single ingredients, mostly in specific groups of adults; none tested these products or this combination.
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Probiotic: 40 Billion CFU From Four Strains
Per the label, a 2-capsule serving provides 40 billion CFU from four strains plus 24 mg fructooligosaccharide and 60 mg of a marine polysaccharide complex. CFU is a count of live organisms and does not by itself show an effect, and effects are strain-specific. A meta-analysis of 63 trials of other probiotics found a lower risk of antibiotic-associated diarrhea with large differences between trials; a meta-analysis in irritable bowel syndrome could not say which probiotics work.
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Digestive Enzyme Blend: Limited Evidence
The capsule lists a protease blend with three Lactobacillus strains, bromelain, papain, lipase, lactase and alpha galactosidase; amounts are not stated. Prescription pancreatic enzymes are an established therapy in some digestive disorders, but in a 20-adult pilot trial in irritable bowel syndrome, alpha-galactosidase was not better than placebo. Persistent bloating or indigestion needs a medical evaluation.
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L-Glutamine: Studied in Specific Conditions
One 8-week trial in 106 adults with post-infectious, diarrhea-predominant IBS and increased intestinal permeability used 15 g of glutamine a day and reported improved symptoms and permeability versus placebo; a meta-analysis of 10 trials in other groups found no significant overall effect on permeability. One scoop of this product provides 3.15 g. 'Leaky gut' is not an accepted medical diagnosis.
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Live Bacteria in Two Products
The probiotic and the enzyme capsule both contain live Lactobacillus strains. Reviews describe an excellent overall safety record for probiotics but advise caution in premature infants and people with weakened immune systems, and rare bloodstream infections have been reported in people with severe illness, immune suppression or a central venous catheter. Ask your prescriber or pharmacist before use if you take medicines, including GLP-1 medicines or antibiotics.
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Bundle Price
The bundle has its own price. Each of the three products is also sold individually, so you can compare the prices on their pages.
✅This product is for you if…
Adults who want a probiotic, a digestive enzyme capsule and an L-glutamine powder and have read the page of each product
Adults who take medicines (including GLP-1 medicines or antibiotics) or have a medical condition and have first asked a doctor or pharmacist whether these products suit them
Adults who understand that none of these products is a treatment for irritable bowel syndrome, "leaky gut", bloating or any other condition and that the combination has not been studied
⚠️Consult your healthcare provider if…
You are pregnant or breastfeeding: ask your doctor first (the supplier warnings advise pregnant or nursing mothers to consult a physician)
The person is a child or under 18, or a premature infant or newborn: not intended for children; probiotics are not advised for premature infants
You have a weakened immune system (for example after an organ transplant or during chemotherapy), a central venous catheter or other indwelling line, or a serious illness, or you are in hospital or intensive care: two products contain live bacteria and rare bloodstream infections have been reported; glutamine given to critically ill adults with multiorgan failure was associated with higher mortality in one large trial; ask your doctor first
You have severe acute pancreatitis or another serious pancreas condition, or you have been prescribed pancreatic enzymes: a probiotic trial in predicted severe acute pancreatitis found higher mortality, and this bundle is not a substitute for prescription enzyme therapy; ask your doctor first
You are allergic to papaya, pineapple, papain or bromelain (the enzyme capsule contains papain and bromelain), or to any ingredient on the labels
You have a stomach ulcer, gastritis, celiac disease, inflammatory bowel disease or another digestive condition: ask your doctor first; these products are not a substitute for treatment
You have kidney disease, liver disease or cirrhosis, a seizure disorder, cancer or diabetes: ask your doctor first (L-glutamine)
You take a GLP-1 medicine, antibiotics, blood thinners, diabetes medicines or any other prescribed medicine, or you have surgery planned: ask your prescriber or pharmacist first, and keep taking antibiotics exactly as prescribed
You have persistent bloating, diarrhea, constipation, blood in the stool, unintended weight loss or severe abdominal pain: see a doctor instead of self-treating; "leaky gut" is not a diagnosis
Never stop or change a prescribed medicine because of a supplement; ask your prescriber or pharmacist
Science

Clinical Evidence

Published research relevant to this product. These studies were generally not conducted on this specific product.

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A systematic review and meta-analysis of 53 randomized trials of probiotics in 5,545 adults with irritable bowel syndrome found that particular combinations, species or strains appeared to have beneficial effects on global symptoms and abdominal pain, but definitive conclusions could not be drawn and which probiotics work remains for the most part unclear. Data for prebiotics and synbiotics were sparse. This concerns other probiotic products in IBS, not this bundle.
Ford AC, et al. Aliment Pharmacol Ther. 2018;48(10):1044-1060. ↗
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A meta-analysis of 63 randomized trials (11,811 participants) found that probiotic use was associated with a lower risk of antibiotic-associated diarrhea (relative risk 0.58, 95% CI 0.50 to 0.68); the authors noted significant heterogeneity and that the evidence was insufficient to say whether the association varies by population, antibiotic or probiotic preparation. The strains used were poorly documented and this product was not tested.
Hempel S, et al. JAMA. 2012;307(18):1959-1969. ↗
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In an 8-week randomized, placebo-controlled trial, 54 adults taking glutamine 5 g three times a day (15 g per day) and 52 taking placebo completed treatment; all had post-infectious, diarrhea-predominant IBS with increased intestinal permeability. The primary endpoint was reached by 43 (79.6%) of the glutamine group and 3 (5.8%) of the placebo group, permeability was normalised in the glutamine group, and no serious adverse events were observed. The authors called for larger trials. One scoop of L-Glutamine Powder provides 3.15 g, and the trial population was specific.
Zhou Q, et al. Gut. 2019;68(6):996-1002. ↗
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A systematic review and meta-analysis of 10 placebo-controlled trials (352 participants with different health conditions) found that glutamine supplementation did not significantly affect intestinal permeability overall; a significant reduction appeared only in a subgroup of trials using doses above 30 g per day.
Abbasi F, et al. Amino Acids. 2024;56(1):60. ↗
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A review states that leaky gut syndrome is popularized in the lay literature but is not currently accepted as a formal medical diagnosis, and that no validated test currently exists to diagnose it.
Lacy BE, et al. Gastroenterol Hepatol (N Y). 2024;20(5):264-272. ↗
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A non-systematic review reports that animal-derived pancreatic enzymes are an established standard of care in some digestive disorders, and that enzyme replacement in diseases not specifically related to enzyme deficiency is still being evaluated.
Ianiro G, et al. Curr Drug Metab. 2016;17(2):187-193. ↗
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In a pilot randomized crossover trial in 20 adults with irritable bowel syndrome, alpha-galactosidase taken with meals high in oligosaccharides was not superior to placebo for postprandial gastrointestinal symptoms or for hydrogen and methane in breath. This tested one enzyme, not the enzyme blend in this bundle.
Böhn L, et al. Neurogastroenterol Motil. 2021;33(7):e14094. ↗
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A review of probiotic safety concluded that probiotics have an excellent overall safety record but should be used with caution in certain patient groups, particularly neonates born prematurely and people with immune deficiency, and that the effects of one probiotic strain should not be generalized to others without confirmation in separate studies.
Boyle RJ, et al. Am J Clin Nutr. 2006;83(6):1256-1264. ↗
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A review found that Lactobacillus bloodstream infection is infrequent but carries a higher risk of mortality, with risk factors including severe underlying disease, immune suppression, intensive care admission and central venous catheters.
Kullar R, et al. Microorganisms. 2023;11(4):896. ↗
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In a randomized, double-blind, placebo-controlled trial of patients with predicted severe acute pancreatitis (152 probiotic, 144 placebo analysed), a combination of probiotic strains did not reduce infectious complications and was associated with higher mortality (24 deaths vs 9; relative risk 2.53); the authors concluded it should not be given to this category of patients.
Besselink MG, et al. Lancet. 2008;371(9613):651-659. ↗
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A narrative expert review reports that nausea, vomiting, diarrhea and constipation are established class effects of GLP-1 receptor agonist medicines, occurring in approximately 30% to 50% of patients, typically during initiation and dose escalation.
Singhani V, et al. Nutr Clin Pract. 2026;41(5):1318-1333. ↗
🔬 All studies referenced are peer-reviewed and published in indexed medical journals. This information is for educational purposes and does not constitute medical advice.
K
Kasivit Editorial Team
Product notes
Editorial Team's Note
Editorial note: This bundle groups three separate Kasivit products. The studies mentioned on this page tested other probiotic products, single enzymes or glutamine, usually in specific groups of adults (for example irritable bowel syndrome), and found limited, mixed or condition-specific results; none tested these products or their combination. Two of the products contain live bacteria, and the enzyme capsule contains papain and bromelain. Ask your prescriber or pharmacist before use if you take any medicine, and see a doctor for persistent digestive symptoms.*

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Three Kasivit products sold together: Probiotic 40 Billion with Prebiotics, Digestive Enzyme Pro Blend and L-Glutamine Powder.

These are three separate products that are also sold individually. The combination has not been studied, and none of the products is a treatment for irritable bowel syndrome, "leaky gut", bloating or any other condition. Two of the products contain live bacteria. If you take any medicine, including a GLP-1 medicine or antibiotics, ask your prescriber or pharmacist before use. See a doctor for persistent digestive symptoms.

Probiotic 40 Billion with Prebiotics — per the confirmed label, a 2-capsule serving provides 40 billion CFU in a proprietary blend of four strains (Lactobacillus acidophilus La-14, Bifidobacterium lactis Bl-04, Lactobacillus plantarum Lp-115 and Lactobacillus paracasei Lpc-37) with the manufacturer's MAKTREK delivery system, plus fructooligosaccharide (24 mg) and a marine polysaccharide complex (60 mg). Probiotic effects are strain-specific. In a meta-analysis of 53 trials in adults with irritable bowel syndrome, particular probiotic combinations or strains appeared to help global symptoms and abdominal pain, but definitive conclusions could not be drawn (Ford 2018), and in a meta-analysis of 63 trials probiotic use was associated with a lower risk of antibiotic-associated diarrhea, with large differences between trials (Hempel 2012). No study of this product is cited.*

Digestive Enzyme Pro Blend — per the supplier, a capsule contains the Makzyme-Pro blend (fungal protease with Lactobacillus acidophilus, L. casei and L. plantarum), bromelain, papain, fungal lipase, fungal lactase and alpha galactosidase; the amount of each enzyme and the bacterial count are not stated. Prescription pancreatic enzymes are an established therapy in some digestive disorders (Ianiro 2016), but for over-the-counter blends the evidence is limited: in a pilot crossover trial in 20 adults with irritable bowel syndrome, alpha-galactosidase was not better than placebo for symptoms after meals high in oligosaccharides (Böhn 2021). No study of this product is cited.*

Kasivit L-Glutamine Powder — unflavored powder; per the supplier, each scoop (3.3 g) provides 3.15 g of L-glutamine. In an 8-week trial in 106 adults with post-infectious, diarrhea-predominant irritable bowel syndrome and increased intestinal permeability, 15 g of glutamine a day improved symptom scores and permeability compared with placebo (Zhou 2019), while a meta-analysis of 10 placebo-controlled trials in other groups found no significant overall effect on intestinal permeability (Abbasi 2024). One scoop provides far less than 15 g. "Leaky gut" is not an accepted medical diagnosis (Lacy 2024).*

Each product is also sold individually on its own page.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Questions

Frequently Asked Questions