Cinnamon
14 benefits mapped to clinical evidence across supplements.
Dose per serving from products
672 products in our catalogue print how much Cinnamon a serving holds.
Most common: 250 mg to 500 mg, 20% of 672 products.
| Dose per serving | Products |
|---|---|
| 10 mg or less | 27 |
| 10 mg to 25 mg | 20 |
| 25 mg to 50 mg | 118 |
| 50 mg to 100 mg | 127 |
| 100 mg to 250 mg | 129 |
| 250 mg to 500 mg | 135 |
| 500 mg to 1 g | 72 |
| 1 g to 2.5 g | 35 |
| over 2.5 g | 9 |
Dose per serving from research
41 study groups in 32 studies say how much Cinnamon participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 g to 5 g, 32% of 41 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mg or less | 1 |
| 100 mg to 250 mg | 2 |
| 250 mg to 500 mg | 3 |
| 500 mg to 1 g | 8 |
| 1 g to 2.5 g | 9 |
| 2.5 g to 5 g | 13 |
| 5 g to 10 g | 5 |
Benefit Evidence
Research sources
Blood sugar (15)
- Efficacy of cinnamon in patients with type II diabetes mellitus: A randomized controlled clinical trial
PubMed ID: 29605574
T2DM RCT (500 mg twice daily ×3 months) reported improvements in FPG, 2‑hr glucose and HbA1c and insulin indices.
- Effect of oral cinnamon intervention on metabolic profile and body composition of Asian Indians with metabolic syndrome: a randomized double -blind control trial
PubMed ID: 28606084
Strong RCT evidence in metabolic‑syndrome subjects for reductions in fasting glucose and HbA1c with 3 g/day cinnamon.
- Insulin resistance improvement by cinnamon powder in polycystic ovary syndrome: A randomized double-blind placebo controlled clinical trial
PubMed ID: 29250843
PCOS RCT (1.5 g/day) reduced fasting insulin and insulin resistance markers.
- Effect of ground cinnamon on postprandial blood glucose concentration in normal-weight and obese adults
PubMed ID: 23102179
6 g ground cinnamon lowered early postprandial glucose and reduced overall 2‑hour AUC though glucose rose at 120 min (mixed but relevant).
- Cinnamon extract improves fasting blood glucose and glycosylated hemoglobin level in Chinese patients with type 2 diabetes
PubMed ID: 22749176
Randomized double‑blind RCT in T2DM: cinnamon extract for 3 months lowered HbA1c and fasting glucose (robust clinical evidence).
- Glycated haemoglobin and blood pressure-lowering effect of cinnamon in multi-ethnic Type 2 diabetic patients in the UK: a randomized, placebo-controlled, double-blind clinical trial
PubMed ID: 20854384
2 g/day cinnamon for 12 weeks in poorly controlled T2DM modestly lowered HbA1c (and BP); randomized trial supportive of glycemic benefit.
- Effects of a cinnamon extract on plasma glucose, HbA, and serum lipids in diabetes mellitus type 2
PubMed ID: 16634838
3 g/day cinnamon extract modestly lowered fasting plasma glucose in T2D (no HbA1c change).
- Effectiveness of cinnamon for lowering hemoglobin A1C in patients with type 2 diabetes: a randomized, controlled trial
PubMed ID: 19734396
Large RCT in T2DM: 1 g/day cinnamon added to usual care lowered HbA1c by ~0.83% over 3 months (strong glycemic‑control evidence).
- Cinnamon improves glucose and lipids of people with type 2 diabetes
PubMed ID: 14633804
Randomized trial reported large percent reductions in fasting glucose with 1–6 g/day cinnamon over 40 days (short duration; limitations apply).
- The Effect of Therapeutic Doses of Culinary Spices in Metabolic Syndrome: A Randomized Controlled Trial
PubMed ID: 38892617
3 g/day culinary spices including cinnamon produced modest HbA1c and fasting glucose reductions in metabolic‑risk individuals.
- Cinnamon may have therapeutic benefits on lipid profile, liver enzymes, insulin resistance, and high-sensitivity C-reactive protein in nonalcoholic fatty liver disease patients
PubMed ID: 24461315
NAFLD RCT: 1.5 g/day cinnamon reduced fasting glucose and improved HOMA‑IR.
- Effects of Cinnamomum zeylanicum (Ceylon cinnamon) extract on lipid profile, glucose levels and its safety in adults: A randomized, double-blind, controlled trial
PubMed ID: 39854533
12-week RCT of Ceylon cinnamon extract produced a small but significant reduction in fasting blood glucose vs placebo.
- Efficacy and Safety of Cinnamomum zeylanicum (Ceylon cinnamon) for diabetes mellitus: a randomized, double blind, placebo-controlled clinical trial
PubMed ID: 41412108
Large, double-blind trial in T2D demonstrated significant improvements in fasting glucose and HbA1c at tested doses — high-quality support for glycemic benefit.
- Efficacy of Cinnamon as an Adjuvant in Reducing the Glycemic Biomarkers of Type 2 Diabetes Mellitus: A Three-Month, Randomized, Triple-Blind, Placebo-Controlled Clinical Trial
PubMed ID: 33605836
Large triple‑blind RCT in T2DM: modest but significant HbA1c and fasting‑glucose reductions (−0.20% HbA1c, −0.55 mmol/L glucose).
- Cinnamon improves metabolic factors without detectable effects on adiponectin in women with polycystic ovary syndrome
PubMed ID: 29737802
PCOS trial (3×500 mg/day) improved fasting glucose and HOMA‑IR vs placebo.
Metabolism (10)
- Effect of oral cinnamon intervention on metabolic profile and body composition of Asian Indians with metabolic syndrome: a randomized double -blind control trial
PubMed ID: 28606084
Well‑powered RCT in metabolic‑syndrome subjects: 3 g/day cinnamon improved fasting glucose, HbA1c, weight and lipids.
- Efficacy of cinnamon in patients with type II diabetes mellitus: A randomized controlled clinical trial
PubMed ID: 29605574
Large triple‑blind trial in T2DM: cinnamon improved anthropometrics, glycemia and lipids (strong metabolic signal).
- Cinnamon improves metabolic factors without detectable effects on adiponectin in women with polycystic ovary syndrome
PubMed ID: 29737802
PCOS trial: 1.5 g/day improved glucose/insulin resistance and lipids and reduced weight.
- Efficacy of Cinnamon as an Adjuvant in Reducing the Glycemic Biomarkers of Type 2 Diabetes Mellitus: A Three-Month, Randomized, Triple-Blind, Placebo-Controlled Clinical Trial
PubMed ID: 33605836
3 g/day cinnamon for 90 days produced small but significant glycemic improvements as add‑on therapy.
- Effectiveness of cinnamon in the reduction of lipid levels in people with diabetes: a randomized clinical trial
PubMed ID: 37909519
3 g/day cinnamon improved LDL/HDL in people with T2DM — metabolic/ cardiometabolic relevance.
- Efficacy and Safety of Cinnamomum zeylanicum (Ceylon cinnamon) for diabetes mellitus: a randomized, double blind, placebo-controlled clinical trial
PubMed ID: 41412108
Large RCT in T2D showed improved FPG and HbA1c, indicating meaningful metabolic support.
- Cinnamon may have therapeutic benefits on lipid profile, liver enzymes, insulin resistance, and high-sensitivity C-reactive protein in nonalcoholic fatty liver disease patients
PubMed ID: 24461315
NAFLD RCT showed improved HOMA‑IR, fasting glucose and related metabolic markers with 1.5 g/day cinnamon.
- Cinnamon improves glucose and lipids of people with type 2 diabetes
PubMed ID: 14633804
Randomized study reported marked short‑term (%) reductions in fasting glucose and lipids with 1–6 g/day cinnamon (short duration).
- Effect of ground cinnamon on postprandial blood glucose concentration in normal-weight and obese adults
PubMed ID: 23102179
6 g ground cinnamon produced complex but overall lower 0–120 min glucose AUC (acute metabolic modulation).
- Insulin resistance improvement by cinnamon powder in polycystic ovary syndrome: A randomized double-blind placebo controlled clinical trial
PubMed ID: 29250843
PCOS RCT: 1.5 g/day cinnamon reduced fasting insulin and HOMA‑IR and lowered LDL.
Heart health (7)
- Glycated haemoglobin and blood pressure-lowering effect of cinnamon in multi-ethnic Type 2 diabetic patients in the UK: a randomized, placebo-controlled, double-blind clinical trial
PubMed ID: 20854384
Modest reductions in HbA1c and both SBP/DBP in T2DM trial support cardiovascular risk improvement (BP effect most relevant).
- Efficacy and Safety of Cinnamomum zeylanicum (Ceylon cinnamon) for diabetes mellitus: a randomized, double blind, placebo-controlled clinical trial
PubMed ID: 41412108
Higher dose reduced LDL and total cholesterol in people with T2D, indicating potential cardiovascular risk benefit.
- Effectiveness of cinnamon in the reduction of lipid levels in people with diabetes: a randomized clinical trial
PubMed ID: 37909519
3 g/day cinnamon for 90 days significantly lowered LDL and raised HDL in people with T2DM.
- Efficacy of cinnamon in patients with type II diabetes mellitus: A randomized controlled clinical trial
PubMed ID: 29605574
T2DM triple‑blind trial reported broad lipid improvements and anthropometric benefits relevant to cardiac risk.
- Effect of oral cinnamon intervention on metabolic profile and body composition of Asian Indians with metabolic syndrome: a randomized double -blind control trial
PubMed ID: 28606084
Metabolic‑syndrome RCT showed improvements in lipids and blood pressure, cardiovascular risk factors.
- Cinnamon extract improves fasting blood glucose and glycosylated hemoglobin level in Chinese patients with type 2 diabetes
PubMed ID: 22749176
Cinnamon extract lowered HbA1c and fasting glucose and reduced triglycerides in a subgroup (favorable cardiometabolic effects).
- Cinnamon improves glucose and lipids of people with type 2 diabetes
PubMed ID: 14633804
Reported short‑term reductions in fasting glucose and several lipids (total cholesterol, TG) with cinnamon, implying cardiovascular risk‑marker improvements (short study).
Cholesterol (7)
- Cinnamon improves glucose and lipids of people with type 2 diabetes
PubMed ID: 14633804
Short randomized trial reported decreases in total cholesterol and triglycerides with 1–6 g/day cinnamon (limited duration).
- Effect of oral cinnamon intervention on metabolic profile and body composition of Asian Indians with metabolic syndrome: a randomized double -blind control trial
PubMed ID: 28606084
Metabolic‑syndrome study showed lipid improvements alongside glycemic and weight benefits.
- Efficacy of cinnamon in patients with type II diabetes mellitus: A randomized controlled clinical trial
PubMed ID: 29605574
Reported improvements across lipid parameters (total cholesterol, LDL, HDL) in T2DM trial.
- Cinnamon may have therapeutic benefits on lipid profile, liver enzymes, insulin resistance, and high-sensitivity C-reactive protein in nonalcoholic fatty liver disease patients
PubMed ID: 24461315
NAFLD RCT reported reductions in total cholesterol and triglycerides with 1.5 g/day cinnamon.
- Insulin resistance improvement by cinnamon powder in polycystic ovary syndrome: A randomized double-blind placebo controlled clinical trial
PubMed ID: 29250843
PCOS RCT reported a modest LDL reduction with cinnamon.
- Effectiveness of cinnamon in the reduction of lipid levels in people with diabetes: a randomized clinical trial
PubMed ID: 37909519
Large RCT: 3 g/day lowered LDL (significant) and raised HDL in T2DM patients.
- Efficacy and Safety of Cinnamomum zeylanicum (Ceylon cinnamon) for diabetes mellitus: a randomized, double blind, placebo-controlled clinical trial
PubMed ID: 41412108
Randomized trial reported significant LDL and total cholesterol reductions at the higher cinnamon extract dose after 4 months.
Digestive support (5)
- [Umbilical therapy combined with moxibustion for autumn diarrhea in children]
PubMed ID: 31397127
Multi-herb moxibustion including cinnamon shortened diarrhea in children (cinnamon one ingredient).
- Cinnamon (Cinnamomum cassia) water extract improves diarrhea symptoms by changing the gut environment: a randomized controlled trial
PubMed ID: 36655542
Direct RCT of cinnamon water extract showed improved diarrhea symptoms, altered colonic transit and stool metabolites/microbiota.
- [Herbal-moxa plaster for diarrhea type irritable bowel syndrome of spleen and kidney yang deficiency: a randomized controlled trial]
PubMed ID: 37313553
Herbal‑moxa plaster (contains cinnamon) added to acupuncture improved IBS‑D symptoms vs control (cinnamon part of mix).
- Studies on the effects of essential-oil-based feed additives on performance, ileal nutrient digestibility, and selected bacterial groups in the gastrointestinal tract of piglets
PubMed ID: 21357448
In weaned piglets, cinnamon‑aldehyde oil improved feed efficiency and ileal protein digestibility (animal data supportive of digestive effects).
- [Inhibitory Effects of β-caryophyllene on Helicobacter pylori Infection: A Randomized Double-blind, Placebo-controlled Study]
PubMed ID: 31650795
β-caryophyllene (found in cinnamon) improved dyspepsia symptoms and lowered IL‑1β.
Weight management (4)
- Efficacy of cinnamon in patients with type II diabetes mellitus: A randomized controlled clinical trial
PubMed ID: 29605574
140‑patient T2DM trial reported improvements in BMI/body fat/visceral fat with cinnamon.
- Controlling type 2 diabetes mellitus with herbal medicines: A triple-blind randomized clinical trial of efficacy and safety
PubMed ID: 26362826
In T2DM trial some within‑group glycemic improvements and a small but significant BMI difference versus control were reported (modest weight‑related effect).
- Effect of oral cinnamon intervention on metabolic profile and body composition of Asian Indians with metabolic syndrome: a randomized double -blind control trial
PubMed ID: 28606084
3 g/day for 16 weeks led to an adjusted ~−3.0 kg weight change vs placebo in metabolic‑syndrome subjects.
- Cinnamon improves metabolic factors without detectable effects on adiponectin in women with polycystic ovary syndrome
PubMed ID: 29737802
8‑week PCOS trial reported body‑weight reductions with cinnamon vs placebo.
Inflammation (3)
- Cinnamon may have therapeutic benefits on lipid profile, liver enzymes, insulin resistance, and high-sensitivity C-reactive protein in nonalcoholic fatty liver disease patients
PubMed ID: 24461315
In NAFLD patients, 1.5 g/day cinnamon reduced hs‑CRP and improved liver inflammation markers alongside metabolic benefits.
- Effect of cinnamon on migraine attacks and inflammatory markers: A randomized double-blind placebo-controlled trial
PubMed ID: 32638445
Randomized trial: cinnamon lowered IL‑6 and NO and reduced migraine frequency/severity — clear anti‑inflammatory signals.
- Effects of cinnamon on perineal pain and healing of episiotomy: a randomized placebo-controlled trial
PubMed ID: 25074885
Topical cinnamon ointment after episiotomy reduced pain and improved wound healing versus placebo (clinical anti‑inflammatory/wound benefit).
Antimicrobial (3)
- Evaluation of cinnamaldehyde mucoadhesive patches on minor recurrent aphthous stomatitis: a randomized, double-blind, placebo-controlled clinical trial
PubMed ID: 35701773
Cinnamaldehyde mucoadhesive patches markedly reduced ulcer size/pain and accelerated healing — consistent with antimicrobial/antiseptic effect.
- Efficacy of essential oil of cinnamon for the treatment of oral candidiasis: A randomized trial
PubMed ID: 33475184
Cinnamon essential‑oil mouthwash significantly reduced Candida CFU and produced clinical improvement comparable to nystatin.
- Mechanisms, clinically curative effects, and antifungal activities of cinnamon oil and pogostemon oil complex against three species of Candida
PubMed ID: 22594097
Cinnamon oil showed low MICs vs Candida and high clinical cure rates in an uncontrolled series (strong in vitro + uncontrolled clinical antifungal signal).
Mood balance (2)
- Cinnamon potential in alleviating early postmenopause symptoms: a randomized clinical trial
PubMed ID: 39579099
Randomized trial in menopausal women showed modest but significant improvements in overall menopausal and psychological symptom scores with 1 g/day cinnamon.
- Effects of Aphrodite (an Herbal Compound) on SSRI-Induced Sexual Dysfunctions and Depression in Females with Major Depressive Disorder: Findings from a Randomized Clinical Trial
PubMed ID: 37763782
Herbal tablet containing cinnamon improved depression and anxiety scores in women with MDD on SSRIs (multi‑ingredient product).
Brain health (2)
- Effects of Aphrodite (an Herbal Compound) on SSRI-Induced Sexual Dysfunctions and Depression in Females with Major Depressive Disorder: Findings from a Randomized Clinical Trial
PubMed ID: 37763782
An herbal tablet containing cinnamon improved depression/anxiety and sexual function in women on SSRIs (multi‑herb product).
- Effect of cinnamon on migraine attacks and inflammatory markers: A randomized double-blind placebo-controlled trial
PubMed ID: 32638445
Cinnamon reduced inflammatory markers and decreased migraine frequency/severity — direct neurological benefit.
Skin appearance (1)
- Effects of cinnamon on perineal pain and healing of episiotomy: a randomized placebo-controlled trial
PubMed ID: 25074885
Topical cinnamon ointment after episiotomy reduced pain and improved wound‑healing scores vs placebo (direct evidence of improved cutaneous wound healing).
Joint comfort (1)
- Comparing analgesic effects of a topical herbal mixed medicine with salicylate in patients with knee osteoarthritis
PubMed ID: 22308653
Topical multi‑herbal ointment containing cinnamon relieved knee OA pain and stiffness similarly to salicylate ointment over 6 weeks (clinical benefit from multi‑herb topical).
Blood circulation (1)
- Glycated haemoglobin and blood pressure-lowering effect of cinnamon in multi-ethnic Type 2 diabetic patients in the UK: a randomized, placebo-controlled, double-blind clinical trial
PubMed ID: 20854384
Randomized trial in T2DM found modest reductions in systolic and diastolic blood pressure with 2 g/day cinnamon (improves hemodynamic parameters).
Oral health (1)
- Efficacy of essential oil of cinnamon for the treatment of oral candidiasis: A randomized trial
PubMed ID: 33475184
Cinnamon essential-oil mouthwash reduced oral Candida and clinical signs — plausible breath-freshening effect from antifungal/odor reduction.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Cinnamon
Search all1960 products whose verified label declares Cinnamon — not every bottle that mentions it in a title.
Being studied right now
Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.