Fiber Delights Vanilla Flavored [Discontinued] by Nature's Way

POSSIBLY EFFECTIVE

• Constipation. Most clinical research shows that oral inulin modestly improves stool frequency, but may not improve discomfort, in adults and children with constipation. Details: A meta-analysis of clinical research in adults with constipation shows that consuming inulin improves stool frequency by approximately 0.7 stools per week. It also seems to improve stool transit time, consistency, and hardness, but does not reduce pain or bloating (93718). Additional clinical research shows that taking a specific type of inulin (OraftiGR, BENEO GmbH) 12 grams daily in three divided doses for 4 weeks increases stool frequency by approximately one stool per week when compared with a maltodextrin control. Taking inulin also reduces the number of patients experiencing hard and lumpy stools by 13%, but does not improve symptoms of bloating, distension, physical discomfort, or gas (96850). In children aged 2-5 years, one small clinical study shows that taking a specific combination of two inulin products (Orafti P95 oligofructose and Orafti GR inulin, BENEO GmbH), 2 grams twice daily in a dairy liquid for 6 weeks, improves the softness of stools, but not pain with stooling or stool frequency, when compared with a maltodextrin control (96848). Research in older adults is conflicting. One small study shows that taking inulin 20-40 grams daily for 19 days increases the number of stools from 1-2 per week to 8-9 per week (10415). However, other preliminary clinical research in this population shows that taking a specific inulin supplement (Fibruline Instant, Cosucra Groupe Warcoing) 15 grams daily in yogurt or stewed fruit for 4 weeks does not improve bowel symptoms, stool frequency, or stool consistency (93724).
• Diabetes. Short-term use of oral inulin along with antidiabetes drugs may improve glycemic control in some patients with type 2 diabetes; however, the benefits of long-term use are unclear. Details: Two meta-analyses of clinical research in normal weight and obese patients with type 2 diabetes show that taking inulin 0.8-10 grams orally daily for 6-12 weeks reduces glycated hemoglobin (HbA1c) by 0.65% and fasting plasma glucose by 16 mg/dL when compared with control. Taking inulin also improved HOMA-IR, a measure of insulin resistance, when compared with control. Researchers did not evaluate the most effective dose of inulin; however, most studies used 8.4-10 grams daily (103198,105533). In females treated with metformin and glyburide, taking inulin 10 grams daily for 8 weeks reduces fasting blood glucose by 15 mg/dL and HbA1c by 1% when compared with placebo (93719). Population research in adults has also found that high dietary intake of inulin over 8 years of follow up is associated with a 6% lower risk of type 2 diabetes when compared with low dietary intake (110515). Inulin has also been studied in combination with other supplements. Preliminary clinical research in elderly patients with diabetes shows that drinking a milk powder product supplemented with inulin and resistant dextrin 30 grams before breakfast and 15 grams before dinner for 12 weeks decreases fasting plasma glucose by 17 mg/dL, HbA1c by 0.38%, postprandial glucose by 27 mg/dL, body weight by 0.8 kg, and systolic and diastolic blood pressure by 5 mmHg when compared with placebo (99843). Other clinical research in adults with type 2 diabetes shows that taking a specific combination product (Orafti Synergy1, BENEO GmbH), containing 50% inulin and 50% fructo-oligosaccharides, 8 grams orally twice daily for 6 weeks does not reduce body weight or caloric intake or increase satiety scores when compared with placebo (107934).
• Obesity. Oral inulin might modestly improve short-term weight loss. Additional research is needed to determine the long-term effects of inulin on weight loss and weight maintenance in overweight or obese individuals. Details: Some clinical research in overweight and obese females with diabetes shows that taking inulin 10 grams daily for 8 weeks results in weight loss of 2.6 kg, compared with no weight loss in those taking placebo (93719). Preliminary clinical research in overweight or obese patients with prediabetes shows that taking a specific brand of inulin (Orafti Synergy 1, BENEO GmbH) 30 grams orally daily for 6 weeks reduces body weight by 0.4 kg, compared with a 0.4 kg increase in those in the control group (93721). Preliminary clinical research in adults with obesity shows that taking inulin 16 grams orally daily for 3 months moderately reduces body weight and body mass index (BMI) when compared with placebo. However, these effects were most prominent in subjects that also increased physical activity (110514). Additional preliminary clinical research in adults with overweight shows that adding 18 grams of inulin powder to green tea daily increases weight loss when compared with green tea alone. Over six weeks, individuals taking inulin lost 2 kg, compared with no weight loss in those taking green tea. Weight loss was maintained for at least 2 weeks (93726). Clinical trials in children show conflicting results. In children aged 7-12 years, a small clinical study shows that taking a specific oligofructose-enriched inulin product (Orafti Synergy1, BENEO GmbH) 8 grams orally in water before one meal daily for 16 weeks decreases weight gain by 2.4-fold and attenuates an increase in BMI when compared with placebo (96847). However, other preliminary clinical research in children with obesity aged 7-15 years shows that taking inulin extract 13 grams orally daily for 6 months does not reduce body weight or BMI when compared with placebo (110598). However, other clinical research shows that taking inulin orally in combination with other ingredients might not improve weight loss. Combining inulin, chromium picolinate, capsicum, L-phenylalanine, and other nutrients with caloric reduction and exercise doesn't seem to reduce weight in moderately obese patients when compared to caloric reduction and exercise alone (7607). Another preliminary clinical trial shows that taking inulin 10 grams with maltodextrin 10 grams daily for 12 weeks does not reduce body weight or improve body composition when compared with placebo in adults with overweight or obesity following a calorie-restricted diet (103202). Preliminary clinical research in adults with obesity also shows that consuming a seafood-based dietary product fortified with inulin 1.7 grams, fish oil 370 mg (containing eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), and bifidobacterium animalis daily for 12 weeks does not lower body weight, waist circumference, abdominal fat, serum cholesterol levels, or blood pressure when compared with placebo. However, consuming the product modestly improved some markers of insulin resistance (110600).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Alcohol use disorder. It is unclear if oral inulin is beneficial in patients with alcohol use disorder. Details: Preliminary clinical research in adults with alcohol use disorder who were recently admitted to the hospital shows that taking a specific inulin product (Fibruline, Cosucra) 4-16 grams orally daily for 17 days does not improve liver function tests when compared with placebo. Some liver function tests were also worse in those treated with inulin (110601).
• Antibiotic-associated diarrhea. Oral inulin has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in children aged 6 months to 14 years receiving antibiotics for common infections shows that taking a combination of inulin and fructo-oligosaccharides, up to 5 grams daily depending on age, does not reduce the rate of antibiotic-associated diarrhea (93720).
• Celiac disease. Small clinical studies suggest that patients with celiac disease who take oral inulin may have a lower risk of vitamin and mineral deficiency. Details: Preliminary clinical research in a small number of children and adolescents with vitamin and mineral malabsorption due to celiac disease shows that taking a specific oligofructose-enriched inulin product (Orafti Synergy 1, BENEO GmbH) 10 grams daily for 3 months improves the absorption of vitamin D, vitamin E, and iron, but not vitamin A (99841,99842). Levels of 25-hydroxy vitamin D and vitamin E increased by 42% and 19%, respectively, compared with no significant improvements in those taking placebo (99842). Although taking inulin did not improve serum ferritin levels, it did decrease serum hepcidin concentrations by 61% when compared with baseline, while no significant improvement was reported with placebo. Hepcidin is a regulator of iron homeostasis, and increased levels are associated with iron-deficiency anemia (99841).
• Child growth. Oral inulin has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in healthy, exclusively formula-fed, infants less than 4 months of age shows that supplementing formula with 0.8 grams/dL of a specific combination product (Orafti Synergy1, Beneo-Orafti) containing 50% inulin and 50% fructo-oligosaccharide until 12 months of age does not improve markers of child growth, including body weight, length, and head circumference, when compared with placebo. The combination product was associated with a reduced duration of fever during infectious episodes, but not with a reduction in the number of infections. It is unclear if any potential effects are due to inulin, fructo-oligosaccharide, or the combination (107937).
• Chronic kidney disease (CKD). It is unclear if oral inulin is beneficial in patients with CKD. Details: In adults with CKD, adding inulin 19 grams daily for 6 months to a low-protein diet reduces serum insulin, fasting plasma glucose, total serum cholesterol, triglycerides, and markers of systemic inflammation, while increasing serum high density lipoprotein (HDL) cholesterol, when compared with baseline (105534). However, it is unclear if similar changes occur with a low-protein diet alone, or if the rate of progression of CKD is reduced. Population research in adults has found that high dietary intake of inulin over 8 years of follow up is not associated with a lower risk of CKD when compared with low dietary intake (110515).
• Hypercholesterolemia. It is unclear if oral inulin reduces cholesterol levels in patients with hypercholesterolemia. Details: Research in patients with hypercholesterolemia has shown mixed results, with some studies showing a small decrease and others showing no improvement in serum cholesterol levels (7604,8450,10412,10413,96849). A typical dose of inulin used is 6 grams orally three times daily for up to 6 weeks (10412). A meta-analysis of healthy, dyslipidemic, overweight or diabetic patients shows that inulin reduces levels of low-density lipoprotein (LDL) cholesterol by approximately 5% (96849). Another meta-analysis of randomized clinical trials in the same population shows that taking inulin 1.5-30 grams daily for 2-12 weeks reduces LDL cholesterol levels by 7 mg/dL and increases high-density lipoprotein cholesterol levels by 2 mg/mL when compared with control. However, this meta-analysis also included data from patients treated with fructo-oligosaccharides instead of inulin (107940).
• Hypertension. It is unclear if oral inulin is beneficial in patients with hypertension. Details: Population research in adults has found that high dietary intake of inulin over 8 years of follow up is associated with a 21% lower risk of hypertension when compared with low dietary intake (110515).
• Hypertriglyceridemia. It is unclear if oral inulin is beneficial in patients with hypertriglyceridemia. Details: A meta-analysis of clinical trials in normal and moderately hyperlipidemic patients suggests that taking inulin-type fructans at an approximate average dose of 14 grams daily reduces triglyceride levels by about 15 mg/dL when compared with control (93737). However, other research, including a meta-analysis of healthy, dyslipidemic, overweight or diabetic patients shows that taking inulin 1.5-30 grams daily for 2-12 weeks does not reduce triglyceride levels when compared with control. However, these negative studies are limited by small sample sizes and inclusion of data from patients treated with fructo-oligosaccharides instead of inulin (7604,107940).
• Impaired glucose tolerance (prediabetes). Several small clinical studies suggest that oral inulin is not beneficial in patients with prediabetes. Details: Preliminary clinical research in adults with prediabetes shows that taking inulin 15 grams orally daily for 24 weeks does not improve fasting blood glucose, glycated hemoglobin (HbA1c), or lipid levels when compared with placebo. However, taking inulin modestly improved markers of insulin resistance (107938). Two other, small, clinical trials show that taking specific inulin products (Orafti Synergy 1, BENEO GmbH or Frutafit IQ, Sensus American) 10-30 grams daily for 6 weeks does not improve blood glucose, insulin resistance, glucose homeostasis, or insulin sensitivity when compared with placebo (93721,107936). However, these studies may have been inadequately powered to detect a difference between groups.
• Iron deficiency anemia. Oral inulin has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in young adult females with iron deficiency anemia shows that taking inulin 963 mg/kg and iron supplementation orally daily for 3 months modestly improves serum hemoglobin, hematocrit, and iron levels when compared with a control group consuming iron-fortified flour (110599).
• Menopausal symptoms. It is unclear if oral inulin is beneficial in patients with hypertriglyceridemia. Details: Preliminary clinical research in adults experiencing menopause shows that consuming yogurt enriched with a specific inulin (Frutafit TEX, Sensus Company) 1.5% daily for 6 weeks moderately improves menopausal symptom scores, including depression, anxiety, and vasomotor symptoms, when compared with yogurt alone (107659).
• Nonalcoholic fatty liver disease (NAFLD). Taking oral inulin alone does not seem to improve liver transaminase levels in patients with NAFLD. Details: Preliminary clinical research in patients with NAFLD shows that taking metronidazole 400 mg twice daily for one week plus inulin 4 grams twice daily for 12 weeks reduces levels of alanine aminotransferase and aspartate aminotransferase when compared with placebo. However, when inulin is taken without metronidazole, these measures are not improved (103200).
• Polycystic ovary syndrome (PCOS). It is unclear if oral inulin is beneficial in patients with PCOS. Details: Preliminary clinical research in overweight or obese females with PCOS shows that taking specific products containing inulin (FrutaFit TEX, Sensus American) or inulin and fructo-oligosaccharides (FrutaFit IQ, Sensus American) 10 grams orally once daily for 12 weeks does not reduce systolic or diastolic blood pressure when compared with placebo. However, the validity of this study is limited by the inclusion of subjects with and without hypertension at baseline (107941). More evidence is needed to rate inulin for these uses.

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LIKELY EFFECTIVE

• Coronary heart disease (CHD). A diet high in soluble fiber, such as that found in oats, reduces the risk of CHD. Details: Clinical research shows that a diet containing foods high in fiber, such as oats, oat bran, or whole oat flour, reduces the risk of CHD (2737,4960,4962,4963,4964,4965,4966,4967,4968). In 1993, the US Food and Drug Administration (FDA) approved a health claim stating that consuming at least 3 grams of soluble fiber per day, as part of a diet low in saturated fat and cholesterol, may reduce the risk of CHD (102336). However, clinical studies show that at least 3.6 grams of soluble fiber daily is needed to reduce the risk of CHD (5786,5787,5788,5794,5795,5796).
• Hypercholesterolemia. A diet rich in soluble fiber, such as that found in oats, can reduce cholesterol by a moderate amount. Details: Oats, oat bran, and other soluble fibers can modestly reduce total and low-density lipoprotein (LDL) cholesterol when consumed as part of a diet low in saturated fat. Consuming 56-150 grams of whole oat products such as oatmeal and oat bran, containing 3.6-10 grams of soluble fiber daily, can significantly lower total and LDL cholesterol levels. For each gram of soluble fiber consumed, total cholesterol decreases by about 1.4 mg/dL and LDL by about 1.2 mg/dL. Eating 3-10 grams of soluble fiber daily can reduce total cholesterol by about 4-14 mg/dL (4976,4977,5786,5788,5792,5794,5795,8521,107749); however, doses greater than 10 grams daily don't seem to increase effectiveness (5788). Eating three bowls of oatmeal (28 gram servings) daily can decrease total cholesterol by about 5 mg/dL (4972,4973,4974,4975,4976,4977,5786,5788,6188). Oat bran products, such as oat bran muffins and oat bran flakes, may vary in their ability to lower cholesterol, depending on the total soluble fiber content and other dietary variables (6188). Whole oat products might be more effective for lowering LDL and total cholesterol than foods containing oat bran plus soluble fiber (10145).

POSSIBLY EFFECTIVE

• Diabetes. A diet rich in whole grains, such as oats, may help prevent diabetes or improve blood glucose control in patients with type 1, type 2, or gestational diabetes. Details: Population research shows that for every 16 gram daily serving of whole grains, including oats, there is a 7% to 11% lower risk of developing type 2 diabetes (100622). There is also evidence that consuming oats can decrease blood glucose and insulin levels, as well as lipid levels, in patients with diabetes. The glycemic effects of oats depend on the level of processing of the oat products. Consuming intact oat kernels or thick-cut oats (>0.6 mm) reduces postprandial blood glucose and insulin, but consuming thin-cut, or "quick", oats has no effect (105536). Clinical research shows that consuming oats and oat bran for 4-8 weeks decreases pre-prandial blood glucose, 24-hour plasma glucose, glycated hemoglobin (HbA1c), insulin levels, and low-density lipoprotein (LDL) cholesterol in people with type 2 diabetes (4980,4982,6266,103345). Various doses have been used, including 3 grams of soluble fiber daily, or bread providing 34 grams of total fiber daily (9 grams of soluble fiber) (4961,4980). Additional clinical research in obese adults with type 2 diabetes shows that eating whole grain oats 50-100 grams daily in place of other carbohydrates reduces postprandial blood glucose by 19-27 mg/dL when compared with other carbohydrates in a healthy diet. After 1 year, the groups consuming 50 grams and 100 grams of oats had an additional 0.48% and 0.64% reduction in HbA1c, respectively, when compared with the regular healthy diet group (97520). There is also some evidence that consuming oats 50 grams daily, containing 25 grams of soluble fiber, might be more effective for improving glycemic control and decreasing hyperinsulinemia than the standard moderate fiber diet recommended by the American Diabetes Association (ADA) (6266). Oats have also been evaluated in adolescents with type 1 diabetes. One very small clinical study shows that taking 50 grams of a specific oat product (Betaglucare), providing beta-glucans 6 grams, in three divided doses daily for one week is beneficial for glycemic control and variability when compared with a standard diet without beta-glucans or with taking only 25 grams of the product daily. Maximal, mean, and pre- and post-meal blood glucose levels were modestly lower, and minimal blood glucose levels were modestly higher. Most measures of glycemic variability were statistically different, although there were no differences in the duration of hypoglycemia or hyperglycemia between groups (105261). Oats have also been evaluated in patients with gestational diabetes. A randomized, controlled trial shows that taking 30 grams of a specific oat bran product (OAB; Golden Light Cup Company) orally twice daily at lunch and dinner for 4 weeks improves mean fasting blood glucose and two-hour postprandial glucose when compared with a control group. After 4 weeks, the mean fasting blood glucose and 2-hour postprandial glucose in the treatment group were 85 mg/dL and 104 mg/dL, respectively, compared with 93 mg/dL and 117 mg/dL, respectively, in the control group (107751). The validity of this study is limited by the short treatment duration and lack of follow-up.
• Gastric cancer. A diet rich in soluble fiber, such as that found in oats, might reduce the risk of gastric cancer. Details: Observational research has found that consuming a diet that includes cereal fiber, such as oats and oat bran, might reduce the incidence of gastric cancer (10435).

POSSIBLY INEFFECTIVE

• Colorectal cancer. Regular consumption of oats does not seem to reduce the risk of colorectal cancer. Details: Observational research has found that consuming oat bran or oats orally doesn't seem to reduce the risk of colon cancer. Additionally, consuming fiber, including oat-bran fiber, is not associated with a reduction in the risk for recurrence of colorectal adenomas (4820,5104).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Acne. Although there is interest in using topical oats for acne, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Anxiety. Although there is interest in using oral oats for anxiety, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Atopic dermatitis (eczema). Topical colloidal oatmeal cream may be beneficial in patients with atopic dermatitis. Details: Preliminary clinical research shows that applying a cream containing colloidal oatmeal 1% daily for 2 weeks has a moderate effect on the severity of atopic dermatitis when compared with baseline (103344). The validity of this finding is limited by the lack of a comparator group. Other research suggests that colloidal oatmeal may be beneficial when used in combination with topical steroids. Clinical research shows that the benefits obtained from applying an ointment containing fluocinolone 0.025% to the hands for 2 weeks were better maintained in the patients who also used a cream containing colloidal oatmeal 1% during this time period and for an additional 4 weeks when compared with patients using fluocinolone and the cream base without colloidal oatmeal. Quality of life was also improved in the patients using colloidal oatmeal (103340).
• Breast cancer. Observational research suggests that regular oatmeal intake may be associated with reduced mortality from breast cancer. Details: Population research in postmenopausal patients has found that those who have eaten 50 grams of oatmeal daily prior to a breast cancer diagnosis have a 20% reduced risk of all-cause mortality in the 7 years following the diagnosis when compared with patients who have not eaten oatmeal. However, no benefit was seen when post-diagnostic oatmeal intakes were examined (103343).
• Burns. Although there is interest in using topical oats for burns, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Chronic fatigue syndrome (CFS). Although there is interest in using oral oats for CFS, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Cognitive function. It is unclear if oral oats are beneficial in healthy adults with mild memory impairment. Details: Preliminary clinical research in healthy middle-aged adults with self-reported memory decline shows that consuming a specific wild green-oats extract (Neuravena, Frutarom) 800 mg as a single dose improves overall speed, but not overall accuracy, of cognitive performance when compared with placebo. However, a higher dose of 1600 mg was ineffective (97519).
• Dry skin. It is unclear if applying lotion containing colloidal oat extract improves dry skin to a greater extent than other lotion products. Details: Preliminary clinical research shows that applying a lotion containing colloidal oat extract (Aveeno Active Naturals Skin Relief 24Hr Moisturizing Lotion, Johnson & Johnson) twice daily for 2 weeks improves itchiness, cracking, scaling, dryness, and roughness when compared to baseline in females with dry skin (91458). Additional preliminary clinical research shows that applying a colloidal oatmeal lotion to the legs twice daily for three weeks reduces skin dryness and improves skin integrity when compared to baseline in adults with dry skin (97518). The validity of these findings is limited by the lack of a comparator group.
• Exercise-induced muscle soreness. It is unclear if oral oats are beneficial for exercise-induced muscle soreness. Details: A small clinical trial shows that eating two cookies containing oat flour 60 grams daily for 8 weeks reduces muscle soreness 48 or 72 hours after downhill running when compared with baseline (103341).
• Fat redistribution syndrome. It is unclear if oral oats are beneficial for fat redistribution syndrome. Details: Consumption of a high fiber diet, including oats, with adequate energy and protein might prevent fat deposition in patients with HIV. A one-gram increase in total dietary fiber may decrease the risk of fat deposition by 7% (12517).
• Gallbladder disease. Although there is interest in using oral oats for gallbladder disease, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Hypertension. It is unclear if oral oats are beneficial for hypertension. Details: Observational research has found that consumption of oats as oatmeal or oat cereal does not seem to reduce diastolic blood pressure (DBP) or systolic blood pressure (SBP) in males with minor elevations in blood pressure (2956). A randomized, controlled trial in patients with stage 1 hypertension receiving dietary guidance shows that taking 30 grams of oat bran, providing 8.9 grams of dietary fiber, once daily with breakfast or in between meals for 3 months improves various blood pressure measures when compared with dietary guidance alone. After 3 months of treatment, 24-hour maximum SBP and DBP decreased by 14 mmHg and 11 mmHg, respectively, and office SBP and DBP decreased by 15 mmHg and 10 mmHg, respectively. Oat consumption may also have impacted antihypertensive medication use. Two patients in the control group increased doses of antihypertensive medications, whereas 6 patients in the treatment group decreased doses and 1 patient discontinued use (107750). The effect of oral oat bran on patients with stage 2 hypertension or pre-hypertension is unknown.
• Irritable bowel syndrome (IBS). Although there is interest in using oral oats for IBS, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Metabolic syndrome. Limited research suggests that oats may not be beneficial for metabolic syndrome. Details: Preliminary clinical research in adults with metabolic syndrome shows that adding oat bran 40 grams daily for 6 weeks to a low-calorie diet does not reduce the incidence of metabolic syndrome. Oat bran also does not improve body weight, blood pressure, low-density lipoprotein (LDL) cholesterol, triglycerides, or blood glucose levels when compared with a low-calorie diet alone in patients with metabolic syndrome (103342).
• Osteoarthritis. Although there is interest in using oral oats for osteoarthritis, there is insufficient reliable information about the clinical effects of oats for this condition.
• Pruritus. Applying oat lotion topically may improve some types of pruritus. Details: Preliminary clinical research shows that applying an oat lotion (Espanol) twice daily for up to 2 weeks can decrease itching intensity by about 20% when compared to baseline in patients with pruritus associated with chronic kidney disease (uremic pruritus). This decrease is similar to the effects of applying vinegar 5% solution or taking hydroxyzine 10 mg orally. However, applying the oat lotion does not appear to decrease the frequency of itching (91457).
• Psoriasis. Although there is interest in using topical oats for psoriasis, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Rheumatoid arthritis (RA). Although there is interest in using oral oats for RA, there is insufficient reliable information about the clinical effects of oats for this purpose.
• Stroke. It is unclear if oral oats are beneficial for reducing the risk of stroke. Details: Population research suggests that consuming oatmeal for breakfast once weekly might reduce the incidence of stroke by a small amount when compared with consuming white bread or eggs for breakfast (103337).
• Ulcerative colitis. Oral oats have only been evaluated in combination with other ingredients; their effect when used alone is unclear. Details: Preliminary clinical research shows that taking a specific oat-based product (Profermin, Nordisk Rebalance) containing fermented oat flour, Lactobacillus plantarum, barley malt flour, and lecithin, 250 mL orally twice daily for 8 weeks, reduces disease activity and increases remission in about two-fold more patients with relapsing ulcerative colitis, when compared with treatment with a specific nutritional beverage (Fresubin Original, Fresenius Kabi) (90271).
• Wound healing. Although there is interest in using topical oats for wound healing, there is insufficient reliable information about the clinical effects of oats for this purpose. More evidence is needed to rate oats for these uses.

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LIKELY SAFE ...when used orally in amounts commonly found in foods. Inulin has Generally Recognized As Safe status (GRAS) in the US (93728).

POSSIBLY SAFE ...when used orally and appropriately in supplemental doses, short-term. Doses of 8-18 grams daily have been used safely for up to 24 weeks (7604,7605,7606,7607,8451,93716,93719,93726,103200,107936,107935,107938). Also, 20 grams daily has been used with apparent safety for up to 3 weeks (96836,96850). There is insufficient reliable information available about the safety of inulin when used long-term.

CHILDREN: LIKELY SAFE
when used orally in amounts commonly found in foods. Inulin has Generally Recognized As Safe status (GRAS) in the US (93728).

CHILDREN: POSSIBLY SAFE
when used orally and appropriately in supplemental doses, short-term. Clinical studies have used doses of 3-6 grams daily for 10 days in children 3-6 years of age and 5-13 grams daily for up to 6 months in children 7-15 years of age with apparent safety (96847,110598,110602). ...when used in infant formula. A formula containing chicory fructans (Orafti Synergy1, BENEO GmbH), approximately 50% of which were inulin, has been used with apparent safety in infants for 8-12 months (93717,107937).

PREGNANCY AND LACTATION: LIKELY SAFE
when used orally in amounts commonly found in foods (93728). There is insufficient reliable information available about using inulin in medicinal amounts during pregnancy or lactation; avoid use.

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LIKELY SAFE ...when used orally and appropriately in food amounts (4960,4969,5792,5797). Oat bran has Generally Recognized as Safe (GRAS) status in the US (4912). Whole grain oats 50-100 grams daily have been used for up to 1 year without serious adverse effects (97520).

POSSIBLY SAFE ...when used topically and appropriately (12). Lotion containing colloidal oat 1% has been used topically without adverse effects for up to 6 weeks (97518,103340). There is insufficient reliable information available about the safety of oats when used orally in medicinal amounts.

PREGNANCY AND LACTATION: LIKELY SAFE
when used orally in food amounts (5792,5797).

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ANTIDIABETES DRUGS Interaction Rating = Minor Be watchful with this combination. Severity = Moderate •  Occurrence = Unlikely •  Level of Evidence = D Theoretically, inulin might increase the risk of hypoglycemia with antidiabetes drugs.  Details Some clinical research shows that inulin improves glycemic control in patients with diabetes; however, it is unclear if it has hypoglycemic effects (93719,99843,103198).

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ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, oats may have additive effects with antidiabetic agents and might increase the risk of hypoglycemia.  Details Consuming oats can decrease blood glucose in patients with diabetes (4980,4982,6266,103345). In those who require insulin, taking oats 100 grams daily for 2 days reduces the insulin dose required to achieve metabolic control (103336).

INSULIN Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = B Concomitant use of oats and insulin might increase the risk of hypoglycemia.  Details In patients with insulin-dependent type 2 diabetes, taking oats 100 grams daily for 2 days reduces the insulin dose required to achieve metabolic control (103336).

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General ...Orally, inulin is well tolerated.
Most Common Adverse Effects:
Orally: Bloating, constipation, diarrhea, flatulence, and gastrointestinal cramps.
Serious Adverse Effects (Rare):
Orally: Anaphylaxis has occurred following consumption of foods high in inulin.

Gastrointestinal ...Orally, inulin may cause flatulence, bloating, diarrhea, constipation, and gastrointestinal cramps, especially at doses over 30 grams (7604,8450,8509,93716,93721,93724,96836,96850,96851,99843)(107936,107940,107941,110602).

Immunologic ...Severe allergic reactions to inulin-containing foods have been reported. There is one report of anaphylaxis following consumption of foods with a high concentration of inulin including salsify, artichoke leaves, and margarine (7608).

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General ...Orally, oats are well tolerated.
Most Common Adverse Effects:
Orally: Abdominal distension, bloating, flatulence, and unpleasant taste.
Topically: Burning, contact dermatitis, itching, and redness.

Dermatologic ...Topically, oat-containing preparations can cause contact dermatitis (12515). Redness, burning, and itchiness have also been reported (103340).

Gastrointestinal ...When consumed orally, oats provide fiber. Increasing fiber in the diet can cause flatulence, bloating, abdominal distention, and unpleasant taste. To minimize side effects, doses should be slowly titrated to the desired level. These adverse effects usually subside with continued use (12514).
In patients who have difficulty chewing food, or those with conditions that decrease small bowel motility, oat bran may cause bezoars (concretions) and intestinal obstruction. Oats and oat bran are unlikely to cause obstruction without other causative factors (4979,4985).

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