Supergut GLP-1 Booster Unflavored Review
GLP-1 Daily Support by Supergut is a prebiotic fiber blend sold in the Unflavored option, with 40 servings listed at $60.00. The product is described as a proprietary prebiotic fiber formula with resistant starch, offering 4 sources of prebiotic fiber, 6-7g of fiber per serving, and clinically studied Solnul resistant potato starch. The page states it supports natural GLP-1 activity, has 0g sugar, and contains no artificial flavors, sweeteners, or colors. Listed key benefits include curbing cravings, natural GLP-1 support, healthy blood sugar levels, and metabolic health support. The fiber sources named are oat beta glucan, Solnul resistant potato starch, unripened green bananas, and soluble vegetable fiber. Directions say to mix one scoop into 8 to 12 oz of water, coffee, smoothies, or other drinks, stir until dissolved, and start slowly with one serving while working up to a total of 25 to 30 grams of fiber daily from all food sources. The page lists Monash Low FODMAP Certified, non-GMO, gluten-free, vegan, glyphosate-free, third-party tested, GMP certified, and made in the USA. A subscribe and save option of 20 percent is offered, and a 30-day money-back guarantee applies to a first order. Other options on the page include Blood Orange, Raspberry Lemon, Watermelon Lime, and a variety stick pack. The page also offers a single-serving stick pack variant in the flavor list. Clinician commentary on the page focuses on fiber diversity, appetite control, and blood sugar balance, and the page notes that larger-scale research is still developing and that the statements have not been reviewed by the FDA. The product is not intended to diagnose, treat, cure, or prevent any disease, and results may vary according to the page disclaimer.
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Study, Trial or Testing Result Summary
Members Only63 human studies · 49 improved
This product gives 8.1 grams a day of soluble vegetable fiber. That is a full dose, close to the 7.6 to 8.3 grams a day suggested in a large review of type 2 diabetes trials. In that review of 29 trials in 1,517 adults, soluble fiber lowered long-term blood sugar by 0.63 percent and also lowered fasting blood sugar [1]. A 2023 review found that thick, gel-forming soluble fiber lowered long-term blood sugar by 0.47 percent in type 2 diabetes [2]. In 51 trials of 3,420 people with overweight, fiber lowered fasting blood sugar, fasting insulin and insulin resistance [3]. A review of 34 trials found a smaller drop in long-term blood sugar of 0.13 percent [4]. In women with diabetes during pregnancy, added fiber lowered fasting, after-meal and long-term blood sugar [5]. Not every study agrees. A six-month trial of 802 adults with prediabetes found no overall benefit for blood sugar, though some people with certain gut bacteria did better [6]. These studies tested many kinds of soluble fiber, not this exact product. The maize fiber here may not act like the thick, gel-forming fibers in some trials. Animal and cell studies are never counted.
See all 63 studies →Hide the studies
- Across 51 trials of 3,420 people with overweight or obesity, taking fiber for one to twelve months lowered fasting blood sugar, fasting insulin and insulin resistance compared with placebo.Effects of isolated single fibers, fiber mixtures, and fiber-rich whole foods on glucose homeostasis in individuals with…
- Across 34 trials of 1,804 adults with overweight or obesity, 1.5 to 40 g of fiber a day for 3 to 16 weeks lowered long-term blood sugar (HbA1c) by 0.13%, fasting insulin and insulin resistance compared with placebo.Effects of Supplementation With Different Specificities of Dietary Fiber on Health-Related Indicators in Adults With Ove…
- Across 29 trials of 1,517 adults with type 2 diabetes, soluble fiber supplements lowered long-term blood sugar (HbA1c) by 0.63% and fasting blood sugar by 0.89 mmol/L compared with control diets, with about 7.6 to 8.3 g a day suggested.Effects of soluble fiber supplementation on glycemic control in adults with type 2 diabetes mellitus: A systematic revie…
- Across 28 trials, 3 g or more of oat beta-glucan a day for 2 to 12 weeks lowered cholesterol but the abstract reports no blood sugar results.Cholesterol-lowering effects of oat β-glucan: a meta-analysis of randomized controlled trials.
- Across 8 trials in pregnant women with gestational diabetes, added fiber lowered fasting glucose, after-meal glucose and long-term blood sugar (HbA1c), though insoluble fiber worked better than soluble fiber for fasting glucose.Effects of Additional Dietary Fiber Supplements on Pregnant Women with Gestational Diabetes: A Systematic Review and Met…
- In trials of people with type 2 diabetes, viscous soluble fiber lowered long-term blood sugar (HbA1c) by 0.47% and fasting blood glucose, with effects on fasting insulin unclear.Effect of viscous soluble dietary fiber on glucose and lipid metabolism in patients with type 2 diabetes mellitus: a sys…
- In trials of women with polycystic ovary syndrome, high-fiber and low glycemic index diets lowered fasting glucose and insulin resistance.Optimizing carbohydrate quality: a path to better health for women with PCOS.
- A review of 18 meta-analyses covering 298 observational studies found that higher fiber intake was linked to lower heart disease, heart-related death and all-cause death, supporting higher fiber intake as part of a healthy diet.Dietary fiber and health outcomes: an umbrella review of systematic reviews and meta-analyses.
- A review of 26 studies in people with type 2 diabetes found that most showed better blood sugar control and weight management with more dietary fiber from supplements or foods.Increasing dietary fiber intake for type 2 diabetes mellitus management: A systematic review.
- In 802 adults with prediabetes given dietary fiber or usual care for 6 months, there were no overall differences in HbA1c or other blood sugar measures, though some subgroups with certain gut bacteria profiles improved in a later analysis.Gut microbiome predicts personalized responses to dietary fiber in prediabetes: a randomized, open-label trial.
- In 376 pregnant women at risk of metabolic syndrome given daily soluble fiber until delivery, low fiber intake was linked to more gestational diabetes and high intake to smaller triglyceride rises, and supplementation reduced the need for constipation medicine and may help those with gestational diabetes.Effects of dietary fiber on maternal health in pregnant women with metabolic syndrome risk: a randomized controlled tria…
- In 295 pregnant women with a high triglyceride-glucose index, 24 g of fiber powder daily from weeks 20 to 24 cut gestational diabetes to 11.2% versus 23.7% with usual care and slightly lowered blood sugar two hours after a meal.The role of dietary fiber on preventing gestational diabetes mellitus in an at-risk group of high triglyceride-glucose i…
- In 117 adults with type 2 diabetes, taking 10 or 20 grams per day of extra soluble fiber for one month improved blood sugar, insulin resistance, and triglycerides compared with a control group taking none.Therapeutic effects of soluble dietary fiber consumption on type 2 diabetes mellitus.
- In 112 pregnant women with gestational diabetes, extra dietary fiber before meals for 8 weeks lowered 2-hour blood sugar and reduced the rate of impaired glucose tolerance after birth.Interventional effect of dietary fiber on blood glucose and pregnancy outcomes in patients with gestational diabetes mel…
- In 102 obese adults with prediabetes, eating 60 g of konjac fiber biscuits daily for three months, in place of some carbohydrates, brought fasting blood sugar into the effective range in 100% of participants versus 82% of controls and improved insulin sensitivity and waist size.[The Effect of Konjac Glucomannan on Blood Glucose and Insulin Levels in Obese Patients With Prediabetes].
- In 90 overweight women with polycystic ovary syndrome, eight weeks of a high-protein, high-fiber diet lowered insulin resistance and oxidative stress, and kept more lean body mass than a calorie-restricted diet.A Randomized Trial of the Efficacy of Three Weight Loss Diet Interventions in Overweight/Obese with Polycystic Ovary Syn…
- In 79 people on antipsychotic medication, taking 60 grams of dietary fiber daily together with probiotics for 12 weeks was associated with improved metabolic measures, and higher blood levels of propionate and butyrate were linked to lower weight and better insulin resistance.Circulating propionate and butyrate are associated with metabolic improvements following probiotic and dietary fiber sup…
- In 75 healthy adults taking 6 g per day of alpha-cyclodextrin for 12 to 14 weeks, compared with placebo, small LDL particles fell about 10 percent, fasting glucose fell slightly, and insulin resistance improved about 11 percent.Randomized double blind clinical trial on the effect of oral α-cyclodextrin on serum lipids.
- In 67 healthy adults, a barley fiber drink (rich in beta-glucan) delayed the rise in blood sugar after a meal compared with a placebo rice flour drink, and reduced insulin release and hunger.Effect of Barley on Postprandial Blood Glucose Response and Appetite in Healthy Individuals: A Randomized, Double-Blind,…
- In 60 Vietnamese adults with type 2 diabetes, eating about 60 g of okara daily for two weeks, which raised fiber intake to about 12.6 g per day, lowered fasting blood sugar and fructosamine compared with no change in controls.Okara Improved Blood Glucose Level in Vietnamese with Type 2 Diabetes Mellitus.
- In 60 people with type 2 diabetes, 2.8 grams a day of a fiber and antioxidant supplement for 60 days lowered fasting blood sugar, long-term blood sugar marker, and LDL cholesterol more than a placebo maltodextrin.Diabetes Therapeutics of Prebiotic Soluble Dietary Fibre and Antioxidant Anthocyanin Supplement in Patients with Type 2 …
- In 54 college students, 5 days of moderate or vigorous endurance exercise lowered HbA1c and blood sugar after a glucose drink, but vegetable and fiber intake fell, and people with higher fiber intake had a larger exercise-related blood sugar benefit.Endurance exercise intervention reduces vegetable intake which compromises the achievement of glycemic benefit: a random…
- In 53 healthy adults, 12 g of polydextrose raised blood sugar after a drink or bar, and did not lower it, so it did not show a glucose-control benefit.A Randomized, Controlled Trial Evaluating Polydextrose as a Fiber in a Wet and Dry Matrix on Glycemic Control.
- In 35 adults with type 2 diabetes and high blood pressure, 5 g per day of oat beta-glucan for 12 weeks lowered systolic blood pressure by about 11 mmHg, the same reduction seen with an insoluble fiber, so no difference between the two fibers was found.Dietary Fiber Supplementation Reduces Systolic Blood Pressure in High-Risk Patients with Type 2 Diabetes and Hypertensio…
- In 34 women with obesity in early pregnancy, 12 grams of soluble fiber plus whole blueberries daily for 18 weeks lowered blood sugar on a glucose screening test, reduced inflammation, and limited weight gain.Dietary Blueberry and Soluble Fiber Supplementation Reduces Risk of Gestational Diabetes in Women with Obesity in a Rand…
- In 32 healthy adults, eating a fiber-enriched croissant at breakfast for 2 weeks lowered fasting blood sugar by 2.0 mg/dL, while the control croissant raised it by 3.1 mg/dL.Consumption of a Sourdough-Leavened Croissant Enriched with a Blend of Fibers Influences Fasting Blood Glucose in a Rand…
- In 31 overweight adults, a breakfast with a whole avocado in place of some carbohydrate reduced hunger and lowered insulin over 6 hours compared with a low-fat meal.Using the Avocado to Test the Satiety Effects of a Fat-Fiber Combination in Place of Carbohydrate Energy in a Breakfast …
- In 30 overweight Korean adults, eating a barley-based cereal daily for 6 weeks reduced body weight, body fat, waist size, and LDL cholesterol more than a corn-based cereal, which increased weight and body fat.Barley-Based Cereals Enhance Metabolic Health and Satiety in Overweight Korean Adults: A Randomized Trial.
- In 24 overweight or obese women with normal blood pressure, 12 g of mixed fiber daily for 8 weeks lowered systolic blood pressure by 7 mmHg, compared with 4 mmHg with placebo corn starch.Highlights of three metabolites HDL and reduction in blood pressure values after dietary fiber supplementation in overwe…
- In 22 healthy Chinese men, replacing half of the carbohydrate in test meals with soluble corn fiber produced a lower blood sugar and insulin rise after eating than maltodextrin.The Role of Soluble Corn Fiber on Glycemic and Insulin Response.
- In 20 overweight adults, adding fiber to breakfast (8 grams versus 2 grams) lowered the 4-hour insulin response but did not change blood sugar responses.Effects of Higher Dietary Protein and Fiber Intakes at Breakfast on Postprandial Glucose, Insulin, and 24-h Interstitial…
- In 20 people, half with type 2 diabetes, a low-starch high-fiber pasta eaten at breakfast produced a smaller rise in blood sugar than standard pasta or rice.Impact of low-starch high-fiber pasta on postprandial blood glucose.
- In 20 people with prediabetes, a low-carbohydrate nutrition shake containing soluble fiber and isomaltulose caused a smaller rise in blood sugar over 2 hours than a standard shake, though the fiber effect cannot be separated from the other ingredients.Blood Glucose Response of a Low-Carbohydrate Oral Nutritional Supplement with Isomaltulose and Soluble Dietary Fiber in …
- In 19 men with type 2 diabetes, eating 15 grams of ground flaxseed before breakfast reduced the 2-hour blood sugar rise by 24% compared with breakfast alone.Acute Flaxseed Intake Reduces Postprandial Glycemia in Subjects with Type 2 Diabetes: A Randomized Crossover Clinical Tr…
- In 14 healthy adults, wholemeal pasta with 11 grams of fiber reduced hunger and lowered the insulin response at 30 minutes compared with refined pasta, but did not change blood sugar.Subjective satiety and plasma PYY concentration after wholemeal pasta.
- In 13 people with type 2 diabetes, six weeks of a diet with 25 grams of soluble fiber a day lowered blood sugar, insulin, and cholesterol compared with a moderate-fiber diet.Beneficial effects of high dietary fiber intake in patients with type 2 diabetes mellitus.
- In 13 adults with overweight, 48 g of whole barley flour given with a glucose drink did not change the blood sugar or insulin response compared with refined wheat flour.Phytochemical Pharmacokinetics and Bioactivity of Oat and Barley Flour: A Randomized Crossover Trial.
- In 12 healthy adults, fiber- and polyphenol-enriched cereal biscuits produced a lower blood sugar and insulin response after eating than control biscuits, with a glycemic index about 11 units lower.Complementary Nutritional Improvements of Cereal-Based Products to Reduce Postprandial Glycemic Response.
- In 12 healthy adults, 5.6 grams of a soluble fiber capsule taken with a meal increased fullness and reduced the rise in blood sugar after eating compared with pectin.A New Dietary Fiber Can Enhance Satiety and Reduce Postprandial Blood Glucose in Healthy Adults: A Randomized Cross-Over…
- In patients with fatty liver hepatitis, two daily portions of a multi-ingredient food containing soluble fiber, added to a low-calorie diet for 14 days, reduced cholesterol and an insulin resistance index more than the diet alone.[Modification of dietary patterns in patients with non-alcoholic steatohepatitis].
- In patients with type 2 diabetes, a high-fiber diet improved blood sugar control and changed gut bacteria, blood metabolites, and mood compared with the control diet.High-fiber diet ameliorates gut microbiota, serum metabolism and emotional mood in type 2 diabetes patients.
- In a 12-week placebo-controlled trial of adults with obesity at risk for type 2 diabetes, chicory root fiber improved whole-body insulin sensitivity and reduced blood triglycerides.Intrinsic chicory root fibers modulate colonic microbial butyrate-producing pathways and improve insulin sensitivity in …
- In adults with type 2 diabetes and fatty liver disease, 24 g of dietary fiber daily for 12 weeks produced a larger drop in HbA1c than diabetes education alone, with lower fasting glucose and reduced liver fibrosis scores, though weight did not change.Impact of a high dietary fiber cereal meal intervention on the progression of liver fibrosis in T2DM with MASLD.
- In 53 healthy adults over 3 months, a diet providing about 4 grams of soluble fiber a day lowered LDL cholesterol by 12.8% and fasting blood glucose by 12.3% compared with baseline, while the lower-fiber group showed no significant change.Effect of soluble fiber intake in lipid and glucose levels in healthy subjects: a randomized clinical trial.
- In 40 normoglycemic adults in a crossover placebo-controlled trial, a brewer's spent grain fiber supplement lowered blood sugar at 90 and 120 minutes after a meal and reduced the insulin response.Postprandial Glycemic and Insulinemic Response by a Brewer's Spent Grain Extract-Based Food Supplement in Subjects with …
- In 10 healthy volunteers given one breakfast, barley products enriched with beta-glucan produced a lower blood sugar response and a lower insulin response than whole-wheat products, with barley cookies having the lowest glycemic index.Post-prandial responses to cereal products enriched with barley beta-glucan.
- In 6 recreationally active women, eating a sweetened whole-grain oat breakfast with 7 grams of fiber 45 minutes before cycling lengthened time to exhaustion by 16% compared with no breakfast.A moderate glycemic meal before endurance exercise can enhance performance.
- Adding xanthan gum, a soluble fiber, to a liquid enteral meal lowered blood sugar 20 minutes after eating compared with the same meal without it.The Addition of Xanthan Gum to Enteral Nutrition Suppresses Postprandial Glycemia in Humans.
- In 54 middle-aged and older adults with prediabetes, taking 15 grams of mixed fiber before meals daily for 6 months lowered waist size, fasting and 2-hour blood sugar, and diabetes incidence compared with health education alone, and blood sugar stayed lower at 12 months.Long-term clinical efficacy of dietary fiber supplementation in middle-aged and elderly prediabetic patients.
- In 14 healthy Japanese adults, eating barley mixed rice with yam paste lowered blood sugar and insulin responses after a meal compared with white rice alone.Co-ingestion of traditional Japanese barley mixed rice (Mugi gohan) with yam paste in healthy Japanese adults decreases …
- In 8 healthy adults, taking 20 g of high-performance inulin dissolved in water before a meal reduced the blood sugar rise after eating compared with the same meal without it.Pre-meal high-performance inulin supplementation reduce post-prandial glycaemic response in healthy subjects: A repeated…
- In a survey of 20,996 Chinese adults aged 60 and older, higher dietary fiber intake was associated with lower odds of prediabetes and type 2 diabetes.[Relationship between dietary fiber intake and glucose metabolism in the elderly of China in 2015].
- In 16,792 Korean adults, higher total fiber intake was linked to lower odds of metabolic syndrome in men, and higher fruit fiber intake was linked to lower odds of obesity and abdominal obesity in women.Dietary Fiber and Its Source Are Associated with Cardiovascular Risk Factors in Korean Adults.
- In 5,665 non-diabetic U.S. adults, higher fiber intake was linked to lower insulin resistance (HOMA-IR), after adjusting for age, sex, race, activity, smoking, alcohol and waist size.Macronutrient Intake and Insulin Resistance in 5665 Randomly Selected, Non-Diabetic U.S. Adults.
- In 3,259 U.S. adults with diabetes or prediabetes, higher fiber intake was linked to lower all-cause mortality, and below 26.2 grams per day, more fiber was linked to lower cardiovascular mortality.Association of dietary fiber intake with all-cause and cardiovascular mortality in diabetes and prediabetes.
- In 1261 adults aged 58 to 78, higher dietary fiber intake and more whole-grain bread were linked to lower odds of impaired glucose tolerance, while higher saturated fat intake was linked to higher odds of impaired fasting glucose.Dietary associations with prediabetic states--the DR's EXTRA Study (ISRCTN45977199).
- In a survey of 627 young rural South African adults, higher total fiber intake was linked to lower fasting blood sugar and lower systolic blood pressure, but the link to HDL cholesterol was borderline, and over 97% of participants ate less than recommended fiber.Dietary Fiber Intake and Metabolic Syndrome Risk Factors among Young South African Adults.
- In 288 young adults who recorded two days of diet, fiber intake was the strongest dietary predictor of fasting blood sugar overall, though the key predictors differed between males and females.Sex-Specific Dietary Predictors of Blood Glucose Identified Through Decision Tree Modeling in Adults.
- In 217 adolescents from marginalized areas of Chiapas, Mexico, those eating the most dietary fiber had lower odds of insulin resistance than those eating the least, after adjustment for sex, age, body fat and saturated fat intake.Dietary Carbohydrates and Insulin Resistance in Adolescents from Marginalized Areas of Chiapas, México.
- In a retrospective review of 106 pregnant women with pre-existing diabetes, nutrition counseling raised fiber intake, and among 24 women with before-and-after data, fasting glucose and HbA1c fell significantly.Impact of nutrition counseling on dietary improvements, glycemic control, and neonatal outcomes in pregnant women with p…
- In 98 adolescents with type 1 diabetes, higher soluble fiber intake was linked to more low blood sugar episodes during one week of monitoring, though this link disappeared after adjusting for insulin dose.Dietary intake and risk of non-severe hypoglycemia in adolescents with type 1 diabetes.
- In 12 healthy adults, cassava liquid fiber was itself a low glycemic food, and adding it to bread lowered the bread's blood sugar response by about 9 percent, a difference that was not statistically significant.[Effects of dietary fiber from cassava on food glycemic index].
- After three days of eating barley kernel bread, only some healthy people improved their blood sugar handling, and those responders had more Prevotella bacteria in their gut.Dietary Fiber-Induced Improvement in Glucose Metabolism Is Associated with Increased Abundance of Prevotella.
Review Totals and Summary
Members Only4,270 reviews · 76% positive
Customer feedback on the unflavored version is mixed, and most of it is about taste, texture and digestion. Many reviewers say the powder is easy to work into a daily routine. They stir it into coffee, smoothies, oatmeal or yogurt. Several say it dissolves well and that the unflavored version has little or no flavor, so it tastes like whatever it is mixed into. A common refrain is that it "doesn't taste like much." People who dislike stevia or sweetened powders like that it is plain. The taste complaints are specific. One reviewer on the brand's own site said the unflavored version tasted like potatoes when mixed into plain water, and warned others against doing that. This is probably due to the potato and banana resistant starches. Some buyers call the texture gritty or clumpy and hard to mix. That fits the brand's own warning that part of the fiber is insoluble and needs a good stir. The flavored versions get different comments. Some find them overpowering for such a small scoop. Reviewers often describe the product as filling. They say it helps them feel satisfied, supports regular digestion and helps with appetite control. Several people taking meds say it eases side effects such as constipation and sluggish digestion. One of them said they were wary of how much marketing is aimed at that group. Others say the fiber content is substantial and that the product feels like a clean, simple ingredient list. The main complaint is bloating and gas. This is especially common when people go straight to a full scoop. Users and a dietitian reviewer recommend starting with a small dose and building up. The price is also criticized, since it is not cheap for a fiber powder. A noticeable minority report no effect. One Trustpilot reviewer used a scoop a day for a month and saw no change in appetite or weight. Skeptics also doubt that a fiber can "boost GLP-1" in any dramatic way. Overall, people who value the convenience, the lack of sweeteners and the fullness are fairly satisfied. People who expected a strong appetite-suppressing effect, who dislike the plain starchy taste or who have sensitive digestion are the most disappointed.
Biohacker Summary
Members Only6 of 10 recommend it
The panel leans against soluble corn fiber, the main ingredient here: three of the five who spoke about it warn against it, one is neutral, and one recommends it. The critics call it a lab-processed, heavily refined fiber that makes products look gut healthy without the compounds in real foods, and one says there are no long-term safety studies and lists it among foods that cause bloating. Another says added fibers do not make a difference because both soluble and insoluble fiber are needed. The one who recommends it calls it a legitimate fermentable fiber that can work for gut health and says to pick a non-GMO version, though he was on the fence about it earlier. The neutral voice notes it does not seem to affect blood sugar, and an earlier comment from that panelist recommended this brand's fiber mix for feeding gut bacteria without causing gas.
See all 5 biohackers →Hide the biohackers
Dr. Mark Hyman · Soluble corn fiber · warns
- Warns against soluble corn fiber, stating it is a lab-processed fiber ingredient that companies use to make products seem 'prebiotic' and 'gut healthy', but it does not come with the beneficial compounds found in real foods.
Dr. Eric Berg · Soluble corn fiber · warns
- Warns that soluble corn fiber is an ultra-processed food for microbes, processed with chemicals, heat, and enzymes.
- Warns against Medifast, stating that its essential chocolate mint cookie crisp bar contains unhealthy ingredients like soy protein isolates, sugar, polydextrose, soluble corn fiber, brown rice syrup, milk protein isolates, and rice starch.
- Warns against soluble corn fiber, stating there are no safety studies on it despite people saying it's good for you.
- Warns against Smart Sweets candy because its first ingredient is soluble corn fiber, which he dislikes due to its highly refined processing and lack of long-term safety studies.
- Lists soluble corn fiber as a top food that causes bloating.
- Mentions that corn soluble fiber is a new kind of synthetic fiber because it is so processed.
- Notes that many people experience digestive bloating and gas from functional fibers like soluble corn fiber, tapioca fiber, inulin, and chicory root, suggesting these may alter the gut environment for microbes.
- Warns against consuming chocolate with soluble corn fiber due to its poor processing and scarce studies on its effects on the gut microbiome.
- Highly recommends avoiding anything with soluble corn fiber, noting it is often resistant maltodextrin and can be confusingly labeled.
- Recommends not consuming soluble corn fiber, noting that there are many versions with varying sugar content and that studies showing it lowers blood sugar compare it to glucose.
Thomas DeLauer · Soluble corn fiber · recommends
- States that soluble corn fiber can work for gut health.
- Is frustrated with Fiber Well gummies, noting they contain polydextrose and questioning if it truly satisfies the definition of a beneficial fiber.
- Expresses being on the fence about soluble corn fiber, questioning its response in the body due to its derived and potentially manipulated nature.
- Prefers soluble corn fiber over many other sweeteners because of how it digests, considering it a legitimate fermentable fiber.
- He explains that soluble corn fiber is a fermentable demonstrable fiber that benefits the gut, but emphasizes the importance of choosing non-GMO soluble corn fiber due to its corn origin.
- Recommends non-GMO soluble corn fiber, stating that it is a demonstrable fermentable food that acts as a fiber.
- Advises always looking for non-GMO soluble corn fiber, as regular soluble corn fiber will have all the negative properties of corn.
- Advises that if soluble corn fiber is present in a bar or treat, it should ideally be non-GMO because it is derived from corn and extracted during the process of making high fructose corn syrup.
- Has no problem with soluble corn fiber as a fiber that breaks down into fuel for the gut, but insists it should be non-GMO.
- Evaluates Wonderworks Keto Friendly Cereal, noting it's not as bad as expected but not great, containing milk protein concentrate, erythritol, allulose, whey protein isolate, inulin, palm kernel oil, cocoa, palm oil, soluble corn fiber, canola oil, rice starch, natural flavors, and stevia.
Peter Attia · Soluble corn fiber · warns
- Mentions that the food industry adds soluble fiber like psyllium husk to products like Fiber One bars, but it doesn't make a difference because both soluble and insoluble fiber are needed for functional fiber.
Ben Greenfield · Soluble corn fiber · neutral
- Mentions that Quest Nutrition switched to a form of corn fiber after issues with IMO, and notes that soluble corn fiber doesn't show an impact on blood glucose.
- Ben recommends Supergut's resistant starch fiber mix to nourish healthy gut bacteria without causing gas, noting that it significantly reduced hemoglobin A1C in a placebo-controlled trial and lowers blood sugar after meals.
RAL Summary
Members OnlyTier 2 for Blood Sugar
More Details
Members OnlyBody systems · Combine with · Possible side effects
Body systems: Endocrine and metabolic system, Digestive system
Combine with: For its actual metabolic purpose, pair it with berberine or dihydroberberine, chromium picolinate, and alpha-lipoic acid for glucose support, plus a multi-strain probiotic with Akkermansia muciniphila and Bifidobacterium to enhance microbiome-driven GLP-1 signaling. Magnesium glycinate and omega-3 fish oil support insulin sensitivity and inflammation balance. Introduce fiber gradually and drink plenty of water to reduce bloating. If the user still wants cellular and DNA repair support, they should add a separate dedicated stack such as NMN or NR, resveratrol or trans-resveratrol, quercetin and fisetin, CoQ10 or PQQ, and spermidine, in place of relying on this product.
Possible side effects: The review summary says bloating and gas are common, especially when starting at a full scoop, and that some find the texture gritty. No side effects were reported in the studies given.
Supplement Facts
Total Carbohydrates 7 g
| Calories | 20 | |
| Total Carbohydrates | 7 g |
Other ingredients: Maize Fiber, Soluble, Green Banana, Powder, Solnul, Beta-Glucan.
Label source: NIH label database · Report a label change
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Graded November 7, 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.
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