Barley Grass
15 benefits mapped to clinical evidence across supplements.
Dose per serving from products
44 products in our catalogue print how much Barley Grass a serving holds.
Most common: 250 mg to 500 mg, 25% of 44 products.
| Dose per serving | Products |
|---|---|
| 10 mg or less | 3 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 7 |
| 50 mg to 100 mg | 9 |
| 100 mg to 250 mg | 0 |
| 250 mg to 500 mg | 11 |
| 500 mg to 1 g | 10 |
| over 1 g | 2 |
Benefit Evidence
Lower post-meal glucose
↓ glucose/insulin peaks
More fermentation, lower HGP
Glycemia/lipids/fat: -6.3 kg
Milk volume: +1830 mL
COVID stay/inflammation: -4.5 days
Glycemia/lipids/fat: -6.3 kg
Milk volume: +1830 mL
COVID stay/inflammation: -4.5 days
Research sources
Metabolism (13)
- [Effects of barley flake on metabolism of glucose and lipids in the patients with impaired fasting glucose]
PubMed ID: 24218874
Three‑month trial in IFG patients showed significant improvements in fasting glucose, insulin and lipids with barley flakes.
- Cholesterol-lowering effect of barley bran flour and oil
PubMed ID: 8270757
Barley bran/flour or oil added to cholesterol‑lowering diet further reduced total and LDL cholesterol in humans — strong human metabolic support (lipids).
- Effect of high beta-glucan barley on serum cholesterol concentrations and visceral fat area in Japanese men--a randomized, double-blinded, placebo-controlled trial
PubMed ID: 18074229
12‑week RCT: high–beta‑glucan barley lowered LDL/total cholesterol and reduced visceral fat and waist circumference.
- The effects of concentrated barley beta-glucan on blood lipids in a population of hypercholesterolaemic men and women
PubMed ID: 17445284
Large RCT: concentrated barley beta‑glucan produced clinically meaningful LDL and total-cholesterol reductions—strong metabolic benefit.
- Barley cultivar, kernel composition, and processing affect the glycemic index
PubMed ID: 22833662
Human data showing cultivar/processing markedly change barley's glycaemic impact — relevant to metabolic effects.
- Combining functional features of whole-grain barley and legumes for dietary reduction of cardiometabolic risk: a randomised cross-over intervention in mature women
PubMed ID: 24063257
Barley+legume diet improved lipids and cardiometabolic markers in overweight women—metabolic support evidence.
- Abundance of gut Prevotella at baseline and metabolic response to barley prebiotics
PubMed ID: 30046942
Short-term barley-kernel intake improved next-morning glucose tolerance and lowered insulin responses; supports metabolic benefit.
- Barley β-glucan increases fecal bile acid excretion and short chain fatty acid levels in mildly hypercholesterolemic individuals
PubMed ID: 29872803
High‑MW β‑glucan increased bile acid excretion and SCFA—mechanisms relevant to cholesterol and metabolic regulation.
- Alterations in gut microbiota composition and metabolic parameters after dietary intervention with barley beta glucans in patients with high risk for metabolic syndrome development
PubMed ID: 30396006
4‑week 6 g β‑glucan bread modestly lowered total cholesterol and altered SCFA/microbiome—supports metabolic modulation.
- Effect of Barley on Postprandial Blood Glucose Response and Appetite in Healthy Individuals: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 39599684
Barley‑derived fiber drink significantly reduced postprandial glucose and insulin in a large RCT—clear metabolic support.
- Barley-Based Cereals Enhance Metabolic Health and Satiety in Overweight Korean Adults: A Randomized Trial
PubMed ID: 40944189
Barley‑based breakfast replacement reduced body fat, waist and improved HOMA‑IR in overweight adults—meaningful metabolic outcome.
- High-amylose barley bread improves postprandial glycemia compared to regular barley and wheat bread in subjects with or without type 2 diabetes
PubMed ID: 40691269
High‑amylose barley bread sharply lowered postprandial glucose, insulin and GIP in T2D and non‑T2D—robust metabolic effects.
- The effect of barley savigh consumption on blood sugar among pre-diabetic postmenopausal women
PubMed ID: 40604206
Barley product lowered fasting and 2‑hr postprandial glucose in prediabetic postmenopausal women—clinical metabolic improvement.
Blood circulation (8)
- Effect of high beta-glucan barley on serum cholesterol concentrations and visceral fat area in Japanese men--a randomized, double-blinded, placebo-controlled trial
PubMed ID: 18074229
LDL and total-cholesterol reductions plus reduced visceral fat and waist circumference suggest improved cardiometabolic risk.
- Cholesterol-lowering effect of barley bran flour and oil
PubMed ID: 8270757
Randomized human trial: barley bran flour or barley oil added to a lipid‑lowering diet further reduced total and LDL cholesterol — strong human evidence for circulatory support.
- Alterations in gut microbiota composition and metabolic parameters after dietary intervention with barley beta glucans in patients with high risk for metabolic syndrome development
PubMed ID: 30396006
Modest total cholesterol reduction and gut‑mediated effects could contribute to long‑term vascular benefit.
- Barley β-glucan reduces blood cholesterol levels via interrupting bile acid metabolism
PubMed ID: 29115200
Cholesterol lowering with increased bile acid synthesis supports cardiovascular/circulatory risk-factor improvement.
- High-Molecular-Weight β-Glucan Decreases Serum Cholesterol Differentially Based on the CYP7A1 rs3808607 Polymorphism in Mildly Hypercholesterolemic Adults
PubMed ID: 26936139
Daily 3 g HMW barley β-glucan modestly lowered total cholesterol in mildly hypercholesterolemic adults—relevant to cardiovascular risk/circulation.
- [Effects of barley flake on metabolism of glucose and lipids in the patients with impaired fasting glucose]
PubMed ID: 24218874
Barley‑flake consumption improved lipids (TC, LDL) in IFG patients—supports circulation/vascular risk reduction.
- Combining functional features of whole-grain barley and legumes for dietary reduction of cardiometabolic risk: a randomised cross-over intervention in mature women
PubMed ID: 24063257
Barley+legume dietary intervention in overweight women reduced total and LDL cholesterol and apoB—relevant to cardiovascular/circulatory risk.
- The effects of concentrated barley beta-glucan on blood lipids in a population of hypercholesterolaemic men and women
PubMed ID: 17445284
Significant LDL and total-cholesterol reductions (dose-dependent) support cardiovascular/circulatory health.
Blood sugar (7)
- [Effects of barley flake on metabolism of glucose and lipids in the patients with impaired fasting glucose]
PubMed ID: 24218874
Three‑month RCT in IFG patients showed substantial reductions in fasting glucose, insulin and HbA1c proxies with barley flakes.
- Effect of Barley on Postprandial Blood Glucose Response and Appetite in Healthy Individuals: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 39599684
Large RCT of barley‑derived fiber drink showed marked reductions in postprandial glucose AUC and insulin.
- Barley-Based Cereals Enhance Metabolic Health and Satiety in Overweight Korean Adults: A Randomized Trial
PubMed ID: 40944189
Six‑week barley cereal intervention improved short‑term glycemia (glycated albumin) and insulin sensitivity.
- High-amylose barley bread improves postprandial glycemia compared to regular barley and wheat bread in subjects with or without type 2 diabetes
PubMed ID: 40691269
High‑amylose barley bread substantially lowered postprandial glucose and insulin in both T2D and non‑T2D—robust acute glycemic control.
- The effect of barley savigh consumption on blood sugar among pre-diabetic postmenopausal women
PubMed ID: 40604206
Barley product lowered fasting and 2‑hr postprandial glucose in prediabetic women after 4 weeks.
- Barley cultivar, kernel composition, and processing affect the glycemic index
PubMed ID: 22833662
Cultivar/processing strongly alter barley's glycaemic index—directly relevant to blood sugar control.
- Abundance of gut Prevotella at baseline and metabolic response to barley prebiotics
PubMed ID: 30046942
Short-term barley-kernel intake improved next-morning glucose tolerance and lowered insulin AUCs—strong support for glucose regulation.
Weight management (6)
- Effect of Barley on Postprandial Blood Glucose Response and Appetite in Healthy Individuals: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 39599684
Barley fiber drink lowered postprandial glucose/insulin and reduced short‑term hunger—supports weight management behaviorally and metabolically.
- Effects of high β-glucan barley on visceral fat obesity in Japanese individuals: A randomized, double-blind study
PubMed ID: 28870472
12-week substitution of high β-glucan barley for rice produced modest but significant reductions in visceral fat and body weight, especially in higher‑VFA subjects.
- [Effects of barley flake on metabolism of glucose and lipids in the patients with impaired fasting glucose]
PubMed ID: 24218874
Barley‑flake intervention improved metabolic markers in IFG; metabolic improvements can support weight management efforts.
- Effect of high beta-glucan barley on serum cholesterol concentrations and visceral fat area in Japanese men--a randomized, double-blinded, placebo-controlled trial
PubMed ID: 18074229
12‑week RCT: replacing rice with high–beta‑glucan barley reduced visceral fat, BMI and waist circumference—strong evidence for weight/central adiposity benefit.
- High-amylose barley bread improves postprandial glycemia compared to regular barley and wheat bread in subjects with or without type 2 diabetes
PubMed ID: 40691269
Large reductions in postprandial glucose/insulin may contribute to improved weight control over time despite no direct weight outcomes in that acute study.
- Barley-Based Cereals Enhance Metabolic Health and Satiety in Overweight Korean Adults: A Randomized Trial
PubMed ID: 40944189
Six‑week barley cereal reduced percent body fat and waist circumference and improved insulin sensitivity—strong weight‑related evidence.
Nutrition source (5)
- Barley-Based Cereals Enhance Metabolic Health and Satiety in Overweight Korean Adults: A Randomized Trial
PubMed ID: 40944189
Barley cereal replaced breakfast and improved body composition and glycemia—suggests beneficial nutritional profile.
- Combining functional features of whole-grain barley and legumes for dietary reduction of cardiometabolic risk: a randomised cross-over intervention in mature women
PubMed ID: 24063257
Functional barley+legume diet improved cardiometabolic markers and provided a nutrient‑dense intervention in overweight women.
- Effect of Talbinah food consumption on depressive symptoms among elderly individuals in long term care facilities, randomized clinical trial
PubMed ID: 23493965
Talbinah increased calorie, zinc and magnesium intake and improved mood in elderly—clear nutrient‑boost evidence.
- Barley malt-based composition as a galactagogue - a randomized, controlled trial in preterm mothers
PubMed ID: 33751522
Barley malt increased milk output in lactating mothers, effectively boosting nutrient delivery to infants.
- The effects of waxy barley on defecation, sleep, mental health, and quality of life: a randomized double-blind parallel-group comparison study
PubMed ID: 40336123
Waxy barley increased daily fiber intake and improved bowel habits—practical evidence of nutrient/dietary quality boost.
Nutrient uptake (4)
- Barley β-glucan increases fecal bile acid excretion and short chain fatty acid levels in mildly hypercholesterolemic individuals
PubMed ID: 29872803
Increased SCFA production and bile acid excretion from β‑glucan affect intestinal environment and may enhance nutrient processing/absorption.
- Effect of microbial phytase on phosphorus digestibility in non-heat-treated and heat-treated wheat-barley pig diets
PubMed ID: 23365331
Microbial phytase restored phosphorus availability reduced by heat treatment in pig/barley diets—animal evidence for improved mineral availability.
- Growth performance and nutrient digestibilities in nursery pigs receiving varying doses of xylanase and β-glucanase blend in pelleted wheat- and barley-based diets
PubMed ID: 23365293
Adding xylanase/β‑glucanase to pig wheat/barley diets improved ileal digestibility of energy and amino acids—strong animal evidence for enhanced nutrient availability.
- Alterations in gut microbiota composition and metabolic parameters after dietary intervention with barley beta glucans in patients with high risk for metabolic syndrome development
PubMed ID: 30396006
Microbiome shifts and increased SCFA after barley bread could influence nutrient absorption and host metabolism.
Immune support (4)
- Effects of a Novel Barley-Based Formulation on Allergic Rhinitis: A Randomized Controlled Trial
PubMed ID: 30843497
Barley‑based product reduced allergic rhinitis symptoms and lowered total IgE in a randomized trial—direct immune‑related clinical outcome.
- Effects of an oral supplementation of germinated barley foodstuff on serum tumour necrosis factor-alpha, interleukin-6 and -8 in patients with ulcerative colitis
PubMed ID: 21367884
Germinated barley foodstuff reduced serum inflammatory cytokines (IL‑6, IL‑8, TNF‑α) in ulcerative colitis, implying immune modulation.
- Effects of Chronic Barley Consumption on Upper Respiratory Tract Symptoms in Japanese Healthy Adults: A Randomized, Parallel-Group, Controlled Trial
PubMed ID: 39064742
Cooked waxy barley reduced URT symptom days and increased NK cell activity in low‑baseline subjects—clinical immune enhancement.
- Efficacy of Persian barley water on clinical outcomes of hospitalized moderate-severity COVID-19 patients: a single-blind, add-on therapy, randomized controlled clinical trial
PubMed ID: 35179770
Daily Persian barley water shortened hospital stay and lowered inflammatory markers in COVID‑19 patients—strong clinical immune/inflammatory effects.
Inflammation (4)
- Efficacy of Persian barley water on clinical outcomes of hospitalized moderate-severity COVID-19 patients: a single-blind, add-on therapy, randomized controlled clinical trial
PubMed ID: 35179770
Barley water reduced CRP and ESR and shortened hospital stay in COVID patients—clear anti‑inflammatory clinical signals.
- Effects of a Novel Barley-Based Formulation on Allergic Rhinitis: A Randomized Controlled Trial
PubMed ID: 30843497
Barley formulation lowered IgE and allergy symptoms in rhinitis—immune‑modulating/anti‑inflammatory effect.
- Effects of an oral supplementation of germinated barley foodstuff on serum tumour necrosis factor-alpha, interleukin-6 and -8 in patients with ulcerative colitis
PubMed ID: 21367884
Germinated barley foodstuff significantly reduced systemic inflammatory cytokines in ulcerative colitis patients.
- Effects of Chronic Barley Consumption on Upper Respiratory Tract Symptoms in Japanese Healthy Adults: A Randomized, Parallel-Group, Controlled Trial
PubMed ID: 39064742
Reduced URT symptom days and improved NK activity suggest dampening of symptomatic inflammation in some subjects.
Energy & Fatigue (4)
- Efficacy of Persian barley water on clinical outcomes of hospitalized moderate-severity COVID-19 patients: a single-blind, add-on therapy, randomized controlled clinical trial
PubMed ID: 35179770
Barley water shortened hospital stays and lowered fever/inflammation, which likely reduced illness‑related fatigue.
- Effects of Chronic Barley Consumption on Upper Respiratory Tract Symptoms in Japanese Healthy Adults: A Randomized, Parallel-Group, Controlled Trial
PubMed ID: 39064742
Barley intake reduced cumulative days with fatigue and improved mood/NK activity—direct reduction in tiredness reported.
- The effects of waxy barley on defecation, sleep, mental health, and quality of life: a randomized double-blind parallel-group comparison study
PubMed ID: 40336123
Improved sleep quality and depressive symptoms in RCT plausibly reduce daytime tiredness.
- High-amylose barley bread improves postprandial glycemia compared to regular barley and wheat bread in subjects with or without type 2 diabetes
PubMed ID: 40691269
Markedly reduced postprandial glucose/insulin may support steadier energy and reduced crashes after meals.
Digestive support (4)
- Alterations in gut microbiota composition and metabolic parameters after dietary intervention with barley beta glucans in patients with high risk for metabolic syndrome development
PubMed ID: 30396006
Barley β‑glucan altered fecal SCFA and microbiota in metabolic‑risk subjects, implying improved gut function.
- Effects of an oral supplementation of germinated barley foodstuff on serum tumour necrosis factor-alpha, interleukin-6 and -8 in patients with ulcerative colitis
PubMed ID: 21367884
Germinated barley foodstuff reduced intestinal inflammation markers in ulcerative colitis patients, implying better GI comfort.
- Barley β-glucan increases fecal bile acid excretion and short chain fatty acid levels in mildly hypercholesterolemic individuals
PubMed ID: 29872803
High‑MW barley β‑glucan increased fecal SCFAs and bile acid excretion—consistent mechanistic support for improved gut fermentation and comfort.
- The effects of waxy barley on defecation, sleep, mental health, and quality of life: a randomized double-blind parallel-group comparison study
PubMed ID: 40336123
Waxy barley increased defecation frequency and improved stool form in a randomized trial—direct clinical evidence of digestive benefit.
Mental clarity (3)
- The effects of waxy barley on defecation, sleep, mental health, and quality of life: a randomized double-blind parallel-group comparison study
PubMed ID: 40336123
Waxy barley improved sleep (PSQI) and depressive symptoms (PHQ‑9) in RCT—likely to support mental clarity and cognition indirectly.
- Effect of Talbinah food consumption on depressive symptoms among elderly individuals in long term care facilities, randomized clinical trial
PubMed ID: 23493965
Talbinah (barley‑based) reduced depression scores substantially in elderly institutionalized residents—supports mood/mental state.
- Effects of Chronic Barley Consumption on Upper Respiratory Tract Symptoms in Japanese Healthy Adults: A Randomized, Parallel-Group, Controlled Trial
PubMed ID: 39064742
Barley intake improved some mood scores (TMD) alongside reduced URT symptoms—supports mental well‑being.
Illness recovery (2)
- Barley malt-based composition as a galactagogue - a randomized, controlled trial in preterm mothers
PubMed ID: 33751522
Barley‑malt supplement increased expressed milk volume in mothers of preterm infants—supports postpartum nutritional recovery and lactation.
- Efficacy of Persian barley water on clinical outcomes of hospitalized moderate-severity COVID-19 patients: a single-blind, add-on therapy, randomized controlled clinical trial
PubMed ID: 35179770
Shorter hospital stay and reduced inflammatory markers in COVID suggest improved clinical recovery with barley water adjunct.
Detoxification (2)
- Barley β-glucan increases fecal bile acid excretion and short chain fatty acid levels in mildly hypercholesterolemic individuals
PubMed ID: 29872803
Increased fecal bile acid excretion suggests enhanced removal of cholesterol‑derived/intestinal metabolites—mechanistic detox relevance.
- Impact of β-glucan on the Fecal Water Genotoxicity of Polypectomized Patients
PubMed ID: 27043932
Decreased fecal water genotoxicity after 12 weeks of β-glucan–enriched bread suggests a detoxifying/colon-protective effect.
Antioxidant (1)
- Impact of β-glucan on the Fecal Water Genotoxicity of Polypectomized Patients
PubMed ID: 27043932
12-week β-glucan–enriched bread reduced fecal water genotoxicity (colon-protective biomarker), consistent with a protective effect relevant to oxidative/genotoxic stress.
Bloating & gas (1)
- The effects of waxy barley on defecation, sleep, mental health, and quality of life: a randomized double-blind parallel-group comparison study
PubMed ID: 40336123
Improved stool frequency and form implies reduced GI discomfort and likely less bloating.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Barley Grass
Search all486 products whose verified label declares Barley Grass — not every bottle that mentions it in a title.