Research-Based

Primal Gut Restore Review – Does This Primal Harvest Supplement Really Work?

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By Meghan Stoops, RDN

Reviewed by Juliana Tamayo, MS, RDN - Last Updated

Primal Gut Restore Review

Scientists and consumers alike are recognizing the crucial role gut health plays in numerous aspects of our wellbeing. This growing awareness has made gut health supplements increasingly prominent in the wellness space.

However, with countless supplements making bold claims on the market, finding a high-quality, comprehensive gut health supplement backed by research can be challenging. Plus, no one wants to juggle multiple pills each morning.

For these reasons, many people are turning their attention to Primal Harvest’s Primal Gut Restore.

Combining probiotics, prebiotics, and postbiotics in just 2 tiny capsules daily, this supplement seems too good to be true. But is it? Keep reading our Primal Gut Restore review to discover the truth!

Primal Gut Restore

About Primal Gut Restore

Marketed as the ultimate gut restoration product, Primal Harvest’s Primal Gut Restore combines prebiotics, probiotics, and postbiotics in a single formula.

The supplement features B. longum BB536 for digestive health and regularity, plus CoreBiome Tributyrin for strengthening the gut barrier. These key ingredients form the foundation of this complete gut health formula (more details below).

Let’s examine the company behind this supplement.

Founded in 2018 by Dan Harper in Farmingdale, New York, Primal Harvest emphasizes “complete ingredient transparency” across their product line. The company claims their supplement formulas are grounded in scientific research and standardized clinical studies.

Beyond Primal Gut Restore, Primal Harvest manufactures an extensive range of supplements, including Primal Flex, Primal Greens, Primal Harvest Multivitamin, and Primal Harvest Collagen. All Primal Harvest products are manufactured in the United States and are Good Manufacturing Practices (GMP) certified in Food and Drug Administration (FDA) approved facilities.

Primal Gut Restore And Other Primal Supplements

Primal Harvest promotes a holistic wellness philosophy, advocating for supplements over pharmaceuticals as a means of supporting and maintaining optimal health.

Primal Gut Restore Benefits: Prebiotics, Probiotics, and Postbiotics

Prebiotics

Our digestive system hosts countless microbes that work to maintain optimal health. Prebiotics are nutrients that probiotics break down and selectively ferment—essentially serving as “food” for beneficial bacteria, helping establish a thriving bacterial colony in our gut [1].

Dietary prebiotics are primarily soluble fibers found in foods like soybeans, inulin (present in bananas and Jerusalem artichokes), jicama and chicory root, raw oats, unrefined wheat and barley, garlic, onions, and cooked whole wheat flour [1].

Prebiotics offer numerous benefits. They’re believed to inhibit harmful bacterial strains and prevent diarrhea. Research suggests prebiotics may provide anti-cancer and anti-allergic effects, enhance mineral absorption, and deliver many other health benefits currently under investigation. However, more human trials are needed to fully understand their effects in supplement form [1].

Prebiotic-Rich Foods

  • Chicory root
  • Dandelion greens
  • Jerusalem artichokes
  • Garlic
  • Onion
  • Leeks
  • Asparagus
  • Barley
  • Bananas

Probiotics

The microbes in our digestive system include bacteria, fungi, and other microorganisms collectively known as probiotics. In healthy individuals, probiotics perform beneficial functions such as supporting metabolism and defending against pathogenic organisms.

Research demonstrates that probiotics may help prevent and treat various conditions, including bowel disorders like diarrhea (both antibiotic-associated and infectious), irritable bowel syndrome, inflammatory bowel disease, lactose intolerance, allergic reactions, immune dysfunction, hepatic encephalopathy, and even dry mouth [1, 2].

Despite their broad spectrum of potential health benefits, probiotics remain under extensive study. While significant evidence supports their use, probiotics remain somewhat controversial due to limited research on their mechanisms of action. Given the vast variety of strains that appear to function differently in the gut, additional research is essential to fully understand their role and optimize their use for health purposes [2].

Probiotic-Rich Foods

  • Fermented dairy products such as yogurt or kefir
  • Other fermented foods such as pickles, kimchi, sauerkraut, miso, and tempeh

Postbiotics

Postbiotics represent a relatively new concept in nutritional science, though researchers have studied their potential health effects for years. Postbiotics result when probiotics consume prebiotics. In a healthy gut, the body naturally produces Tributyrin, a microbial metabolite now being marketed as a functional food or standalone supplement [3].

Scientists continue investigating postbiotics’ role in human health. Current research reveals potential benefits including anti-inflammatory, immunomodulatory, antioxidant, and anti-obesogenic properties, along with the ability to lower blood pressure and cholesterol levels while reducing cancer risk by inhibiting tumor growth [4].

Primal Gut Restore Pill Capsules

Does Primal Gut Restore Work?

Many consumers report reduced digestive issues and smoother digestion, along with increased energy, improved mood, clearer skin, and enhanced overall wellbeing. With 4.9 out of 5-star reviews on their website, most Primal Harvest customers consider this supplement a valuable addition to their wellness routine.

Claims vs. Reality

Primal Harvest’s Primal Gut Restore claims to support gut health, natural immune responses, and energy levels. Extensive research on prebiotics, probiotics, and postbiotics supports these claims; however, more studies are needed on these supplements and their potential benefits and safety profile.

Primal Gut Restore Ingredients

Primal Harvest Primal Gut Restore is a gluten-free, dairy-free, and soy-free supplement manufactured in the USA. Primal Gut Restore’s ingredients include prebiotic xylooligosaccharides, probiotic B. Longum BB536, and postbiotic CoreBiome Tributyrin.

Primal Gut Restore Bottle And Pills

Xylooligosaccharides Prebiotics

Primal Gut Restore contains 100mg of xylooligosaccharides prebiotics, a type of non-digestible fiber that stimulates beneficial Bifidobacterium and other lactic acid bacteria in the gut while delivering numerous health benefits.

According to Primal Harvest, xylooligosaccharides help control cravings and promote satiety. Like most fibers, xylooligosaccharides contribute to feelings of fullness. As both a functional fiber and prebiotic, research shows xylooligosaccharides may provide anti-inflammatory, antioxidant, and anti-allergy effects believed to boost immunity, reduce cancer risk, and lower cholesterol levels [5,6].

B. Longum BB536 Probiotics

Primal Gut Restore provides 3 billion CFU of the probiotic Bifidobacterium Longum BB536 for enhanced digestion and regularity. This particular probiotic strain offers superior stability and extended shelf life compared to other strains.

Clinically proven and well-established, this multifunctional probiotic demonstrates numerous positive effects on human health. B. Longum BB536 has been utilized to alleviate digestive, immunological, and infectious diseases. Despite strong clinical evidence, the precise mechanism of action for these probiotics remains unclear, warranting further research [7].

CoreBiome Tributyrin Supplement

Primal Gut Restore includes 1000mg of postbiotic Tributyrin. Healthy gut bacteria naturally produce Tributyrin. Branded as the #1 postbiotic globally, CoreBiome claims to strengthen the gut barrier.

Developed by Compound Solutions with patent-pending technology, CoreBiome consists of short-chain fatty acids (SCFA) naturally produced by a healthy gut, believed to help probiotics flourish. Most research studies involve mice or piglets; more human trials are necessary [3,4].

Is Primal Gut Restore Safe?

Reported side effects were minimal and mild, including upset stomach, diarrhea, gas, and bloating.

Probiotic B. longum BB536 is generally recognized as safe (GRAS) by the FDA since these microbes naturally exist in our bodies. Prebiotic xylooligosaccharides also appear on the FDA GRAS list, as they’re commonly found in many foods, along with Tributyrin postbiotics when GMP standards are followed.

These supplements aren’t recommended or should be used cautiously by individuals with weakened or compromised immune systems, as this may increase the risk of developing illness.

Who is Primal Gut Restore Best For?

Individuals seeking to improve gut health or those suffering from digestive conditions such as irritable bowel syndrome, inflammatory bowel disease, or Crohn’s disease may benefit from this supplement.

Those who have difficulty obtaining adequate prebiotics and probiotics through their diet might also find Primal Gut Restore beneficial.

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Where to Buy Primal Gut Restore

Primal Gut Restore is available directly from the official Primal Harvest website here. They offer 3 purchasing options with decreasing prices for larger orders. Below are the current pricing and available discounts for Primal Gut Restore.

Primal Gut Restore Pricing:

Primal Harvest Primal Gut Restore Website

Unfortunately, this product is exclusively available online through the Primal Harvest website, and some consumers have reported that it’s frequently out of stock or sold out.

More reviews of Primal Harvest products:

Overall Rating:
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Meghan Stoops, RDN

Meghan Stoops is a Registered Dietitian and licensed Nutritionist with a bachelor’s in Dietetics from San Diego State University. Meghan developed an interest in dietetics early on through her own personal struggles with nutrition misinformation. She began doing her own research, which sparked her passion for nutrition and it’s impact on our physical and mental health. Today, she takes take a non-diet, all-foods-fit approach to nutrition, and is devoted to teaching others that eating healthy does not mean restriction or sacrifice.

  • [1] Jain, Monika, Khushboo Gupta, and Payal Jain. "Significance of probiotics and prebiotics in health and nutrition." Malaya Journal of Biosciences 1.3 (2014): 181-195.
  • [2] Kechagia, Maria et al. “Health benefits of probiotics: a review.” ISRN nutrition vol. 2013 481651. 2 Jan. 2013, doi:10.5402/2013/481651
  • [3] Vrzáčková, Nikola et al. “Postbiotics, Metabolic Signaling, and Cancer.” Molecules (Basel, Switzerland) vol. 26,6 1528. 11 Mar. 2021, doi:10.3390/molecules26061528
  • [4] Aguilar-Toalá JE, Garcia-Varela R, Garcia HS, et al. Postbiotics: an evolving term within the functional foods field. Trends Food Sci Tech. 2018;75:105-114.
  • [5] Jain, Ira et al. “Xylooligosaccharides: an economical prebiotic from agroresidues and their health benefits.” Indian journal of experimental biology vol. 53,3 (2015): 131-42.
  • [6] Aachary, Ayyappan Appukuttan, and Siddalingaiya Gurudutt Prapulla. "Xylooligosaccharides (XOS) as an emerging prebiotic: microbial synthesis, utilization, structural characterization, bioactive properties, and applications." Comprehensive Reviews in Food Science and Food Safety 10.1 (2011): 2-16.
  • [7] Wong, Chyn Boon, Toshitaka Odamaki, and Jin-zhong Xiao. "Beneficial effects of Bifidobacterium longum subsp. longum BB536 on human health: Modulation of gut microbiome as the principal action." Journal of functional foods 54 (2019): 506-519.