Primal Gut Restore Review
Primal Gut Restore is presented as a daily comprehensive three-in-one approach to support a healthy gut. The page describes it as a 3-in-1 formula combining prebiotics, probiotics and CoreBiome postbiotic ingredients, formulated to support gut health, digestion, a healthy microbiome, regularity and whole-body wellness. The page states it features CoreBiome postbiotic for optimal gut lining support, includes probiotics and prebiotics to promote balanced gut flora, and is designed to maintain digestive comfort and nutrient absorption. It is described as free from gluten, soy and unnecessary additives, made in the USA with globally sourced ingredients, and always third party tested. The listed key ingredients are CoreBiome Tributyrin, a premium source of tributyrin said to nourish the gut lining and support gut barrier integrity; Xylooligosaccharides (XOS), a prebiotic described as food for good bacteria that encourages a balanced microbiome and may improve nutrient absorption; and B. longum BB536, a probiotic strain the page says has been clinically shown to improve gut health, encourage regular digestion and support immune health. The page says these together form the Gut Restore Blend, working synergistically to support comprehensive gut health. The FAQ explains gut flora and probiotic strains, describes postbiotics as the end result of probiotics feeding on prebiotics, and states that CoreBiome tributyrin is a derivative of butyrate that reaches the colon. Directions state that the product comes in easy-to-swallow capsules taken once daily, with two capsules per day recommended with a meal. Purchase options include a one-time purchase and a two-month delivery subscription, with a 25% discount on the two-month option.
Study, Trial or Testing Result Summary
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Supplement Facts
Tributyrin 300 mg · Xylooligosaccharide 100 mg · Bifidobacterium longum BB536® 37.5 mg
| Tributyrin (as CoreBiome™ 55% Powder) | 300 mg | † |
| Xylooligosaccharide | 100 mg | † |
| Bifidobacterium longum BB536® (3 Billion CFU†) | 37.5 mg | † |
Other ingredients: Hypromellose (Vegetable Capsule), Microcrystalline cellulose, Magnesium stearate, Silicon dioxide.
Directions: Take 2 capsules daily, preferably with a light meal. For best results, use consistently and combine with other healthy habits.
Label source: Primalharvest · Report a label change
Where to Buy
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Our articles on this subject
- How to Improve Gut Health Naturally: Fiber, Foods and the Probiotic Strains With Human TrialsArticle · Sep 15, 2026
- Probiotics for Gut Health: The Complete GuideArticle · Mar 17, 2026
Graded October 26, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

